vasp.6.2.1 16May21 (build Apr 11 2022 11:03:26) complex MD_VERSION_INFO: Compiled 2022-04-11T18:25:55-UTC in devlin.sd.materialsdesign. com:/home/medea2/data/build/vasp6.2.1/16685/x86_64/src/src/build/gpu from svn 1 6685 This VASP executable licensed from Materials Design, Inc. executed on Lin64 date 2024.10.19 20:28:19 running on 3 total cores distrk: each k-point on 3 cores, 1 groups distr: one band on NCORE= 1 cores, 3 groups -------------------------------------------------------------------------------------------------------- INCAR: SYSTEM = No title PREC = Normal ENCUT = 400.000 IBRION = -1 NSW = 0 ISIF = 2 NELMIN = 2 EDIFF = 1.0e-05 EDIFFG = -0.02 VOSKOWN = 1 NBLOCK = 1 NWRITE = 1 NELM = 200 ALGO = Normal (blocked Davidson) ISPIN = 1 INIWAV = 1 ISTART = 0 ICHARG = 2 LWAVE = .FALSE. LCHARG = .FALSE. ADDGRID = .FALSE. ISMEAR = 1 SIGMA = 0.2 LREAL = Auto LSCALAPACK = .FALSE. RWIGS = 1.11 0.73 0.32 0.77 0.75 NPAR = 3 POTCAR: PAW_PBE Si 05Jan2001 POTCAR: PAW_PBE O 08Apr2002 POTCAR: PAW_PBE H 15Jun2001 POTCAR: PAW_PBE C 08Apr2002 POTCAR: PAW_PBE N 08Apr2002 POTCAR: PAW_PBE Si 05Jan2001 local pseudopotential read in partial core-charges read in partial kinetic energy density read in atomic valenz-charges read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in PAW grid and wavefunctions read in number of l-projection operators is LMAX = 4 number of lm-projection operators is LMMAX = 8 POTCAR: PAW_PBE O 08Apr2002 local pseudopotential read in partial core-charges read in partial kinetic energy density read in kinetic energy density of atom read in atomic valenz-charges read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in PAW grid and wavefunctions read in number of l-projection operators is LMAX = 4 number of lm-projection operators is LMMAX = 8 POTCAR: PAW_PBE H 15Jun2001 local pseudopotential read in atomic valenz-charges read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in PAW grid and wavefunctions read in number of l-projection operators is LMAX = 3 number of lm-projection operators is LMMAX = 5 POTCAR: PAW_PBE C 08Apr2002 local pseudopotential read in partial core-charges read in partial kinetic energy density read in atomic valenz-charges read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in PAW grid and wavefunctions read in number of l-projection operators is LMAX = 4 number of lm-projection operators is LMMAX = 8 POTCAR: PAW_PBE N 08Apr2002 local pseudopotential read in partial core-charges read in partial kinetic energy density read in atomic valenz-charges read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 0 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in non local Contribution for L= 1 read in real space projection operators read in PAW grid and wavefunctions read in number of l-projection operators is LMAX = 4 number of lm-projection operators is LMMAX = 8 Optimization of the real space projectors (new method) maximal supplied QI-value = 19.84 optimisation between [QCUT,QGAM] = [ 10.12, 20.44] = [ 28.68,116.96] Ry Optimized for a Real-space Cutoff 1.23 Angstroem l n(q) QCUT max X(q) W(low)/X(q) W(high)/X(q) e(spline) 0 7 10.119 159.560 0.56E-04 0.22E-03 0.45E-07 0 7 10.119 115.863 0.56E-04 0.21E-03 0.45E-07 1 7 10.119 88.339 0.34E-03 0.49E-03 0.11E-06 1 7 10.119 48.592 0.33E-03 0.48E-03 0.11E-06 Optimization of the real space projectors (new method) maximal supplied QI-value = 24.76 optimisation between [QCUT,QGAM] = [ 10.15, 20.30] = [ 28.85,115.39] Ry Optimized for a Real-space Cutoff 1.38 Angstroem l n(q) QCUT max X(q) W(low)/X(q) W(high)/X(q) e(spline) 0 8 10.150 20.381 0.22E-03 0.32E-03 0.29E-06 0 8 10.150 15.268 0.23E-03 0.35E-03 0.30E-06 1 8 10.150 5.964 0.46E-03 0.53E-03 0.21E-06 1 8 10.150 5.382 0.38E-03 0.45E-03 0.19E-06 Optimization of the real space projectors (new method) maximal supplied QI-value = 34.20 optimisation between [QCUT,QGAM] = [ 9.92, 20.18] = [ 27.55,114.04] Ry Optimized for a Real-space Cutoff 1.26 Angstroem l n(q) QCUT max X(q) W(low)/X(q) W(high)/X(q) e(spline) 0 8 9.919 19.460 0.50E-03 0.23E-03 0.29E-06 0 8 9.919 12.209 0.48E-03 0.23E-03 0.28E-06 1 7 9.919 4.655 0.17E-03 0.75E-03 0.30E-06 Optimization of the real space projectors (new method) maximal supplied QI-value = 25.13 optimisation between [QCUT,QGAM] = [ 10.05, 20.36] = [ 28.30,116.06] Ry Optimized for a Real-space Cutoff 1.30 Angstroem l n(q) QCUT max X(q) W(low)/X(q) W(high)/X(q) e(spline) 0 8 10.053 115.676 0.49E-03 0.72E-03 0.18E-06 0 8 10.053 87.132 0.49E-03 0.71E-03 0.18E-06 1 7 10.053 4.429 0.32E-03 0.31E-03 0.18E-06 1 7 10.053 2.733 0.23E-03 0.19E-03 0.20E-06 Optimization of the real space projectors (new method) maximal supplied QI-value = 25.13 optimisation between [QCUT,QGAM] = [ 10.05, 20.36] = [ 28.30,116.06] Ry Optimized for a Real-space Cutoff 1.65 Angstroem l n(q) QCUT max X(q) W(low)/X(q) W(high)/X(q) e(spline) 0 10 10.053 79.467 0.76E-04 0.72E-04 0.56E-06 0 10 10.053 66.151 0.76E-04 0.72E-04 0.55E-06 1 10 10.053 8.350 0.25E-03 0.92E-03 0.41E-05 1 10 10.053 5.531 0.27E-03 0.10E-02 0.45E-05 PAW_PBE Si 05Jan2001 : energy of atom 1 EATOM= -103.0669 kinetic energy error for atom= 0.0012 (will be added to EATOM!!) PAW_PBE O 08Apr2002 : energy of atom 2 EATOM= -432.3788 kinetic energy error for atom= 0.1156 (will be added to EATOM!!) PAW_PBE H 15Jun2001 : energy of atom 3 EATOM= -12.4884 kinetic energy error for atom= 0.0098 (will be added to EATOM!!) PAW_PBE C 08Apr2002 : energy of atom 4 EATOM= -147.1560 kinetic energy error for atom= 0.0288 (will be added to EATOM!!) PAW_PBE N 08Apr2002 : energy of atom 5 EATOM= -264.5486 kinetic energy error for atom= 0.0736 (will be added to EATOM!!) POSCAR: No title positions in direct lattice No initial velocities read in exchange correlation table for LEXCH = 8 RHO(1)= 0.500 N(1) = 2000 RHO(2)= 100.500 N(2) = 4000 -------------------------------------------------------------------------------------------------------- ion position nearest neighbor table 1 0.622 0.618 0.459- 3 1.65 4 1.67 2 1.67 2 0.636 0.638 0.294- 17 1.44 1 1.67 3 0.729 0.719 0.535- 18 1.43 1 1.65 4 0.465 0.643 0.509- 19 1.45 1 1.67 5 0.587 0.378 0.482- 20 1.03 6 0.584 0.611 0.097- 17 1.10 7 0.445 0.597 0.211- 17 1.11 8 0.565 0.464 0.196- 17 1.11 9 0.757 0.919 0.500- 18 1.10 10 0.802 0.813 0.363- 18 1.10 11 0.908 0.821 0.507- 18 1.10 12 0.432 0.827 0.604- 19 1.10 13 0.291 0.753 0.523- 19 1.10 14 0.418 0.831 0.425- 19 1.10 15 0.440 0.388 0.518- 20 1.02 16 0.553 0.297 0.605- 20 1.02 17 0.553 0.574 0.196- 6 1.10 8 1.11 7 1.11 2 1.44 18 0.804 0.823 0.472- 10 1.10 9 1.10 11 1.10 3 1.43 19 0.399 0.771 0.515- 13 1.10 12 1.10 14 1.10 4 1.45 20 0.513 0.315 0.514- 16 1.02 15 1.02 5 1.03 LATTYP: Found a simple cubic cell. ALAT = 10.0000000000 Lattice vectors: A1 = ( 10.0000000000, 0.0000000000, 0.0000000000) A2 = ( 0.0000000000, 10.0000000000, 0.0000000000) A3 = ( 0.0000000000, 0.0000000000, 10.0000000000) Analysis of symmetry for initial positions (statically): ===================================================================== Subroutine PRICEL returns: Original cell was already a primitive cell. Routine SETGRP: Setting up the symmetry group for a simple cubic supercell. Subroutine GETGRP returns: Found 1 space group operations (whereof 1 operations were pure point group operations) out of a pool of 48 trial point group operations. The static configuration has the point symmetry C_1 . Analysis of symmetry for dynamics (positions and initial velocities): ===================================================================== Subroutine PRICEL returns: Original cell was already a primitive cell. Routine SETGRP: Setting up the symmetry group for a simple cubic supercell. Subroutine GETGRP returns: Found 1 space group operations (whereof 1 operations were pure point group operations) out of a pool of 48 trial point group operations. The dynamic configuration has the point symmetry C_1 . Subroutine INISYM returns: Found 1 space group operations (whereof 1 operations are pure point group operations), and found 1 'primitive' translations ---------------------------------------------------------------------------------------- Primitive cell volume of cell : 1000.0000 direct lattice vectors reciprocal lattice vectors 10.000000000 0.000000000 0.000000000 0.100000000 0.000000000 0.000000000 0.000000000 10.000000000 0.000000000 0.000000000 0.100000000 0.000000000 0.000000000 0.000000000 10.000000000 0.000000000 0.000000000 0.100000000 length of vectors 10.000000000 10.000000000 10.000000000 0.100000000 0.100000000 0.100000000 position of ions in fractional coordinates (direct lattice) 0.622304900 0.618433570 0.459361400 0.636056460 0.638243700 0.294121990 0.729103780 0.718595930 0.535463790 0.464899430 0.642756240 0.508527010 0.587321240 0.378310140 0.482399330 0.583514180 0.611385510 0.096846450 0.445466500 0.596635270 0.211059170 0.565035230 0.464148340 0.196451700 0.756606380 0.918649380 0.500293950 0.802299790 0.812572840 0.362899010 0.908078650 0.820711800 0.507466710 0.431736000 0.827403060 0.604083000 0.290824770 0.753247540 0.523279010 0.418267180 0.831208740 0.425150710 0.440153950 0.387524250 0.517881910 0.552633200 0.296573560 0.605345210 0.552801500 0.574127560 0.195993670 0.803931750 0.823439080 0.472234850 0.398739340 0.771495490 0.515465740 0.512525020 0.315187030 0.513774120 ion indices of the primitive-cell ions primitive index ion index 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 ---------------------------------------------------------------------------------------- KPOINTS: Automatic mesh Automatic generation of k-mesh. Grid dimensions read from file: generate k-points for: 2 2 2 Generating k-lattice: Cartesian coordinates Fractional coordinates (reciprocal lattice) 0.050000000 0.000000000 0.000000000 0.500000000 0.000000000 0.000000000 0.000000000 0.050000000 0.000000000 0.000000000 0.500000000 0.000000000 0.000000000 0.000000000 0.050000000 0.000000000 0.000000000 0.500000000 Length of vectors 0.050000000 0.050000000 0.050000000 Shift w.r.t. Gamma in fractional coordinates (k-lattice) 0.000000000 0.000000000 0.000000000 Subroutine IBZKPT returns following result: =========================================== Found 8 irreducible k-points: Following reciprocal coordinates: Coordinates Weight 0.000000 0.000000 0.000000 1.000000 0.500000 0.000000 0.000000 1.000000 0.000000 0.500000 0.000000 1.000000 0.000000 0.000000 0.500000 1.000000 0.500000 0.500000 0.000000 1.000000 0.000000 0.500000 0.500000 1.000000 0.500000 0.000000 0.500000 1.000000 0.500000 0.500000 0.500000 1.000000 Following cartesian coordinates: Coordinates Weight 0.000000 0.000000 0.000000 1.000000 0.050000 0.000000 0.000000 1.000000 0.000000 0.050000 0.000000 1.000000 0.000000 0.000000 0.050000 1.000000 0.050000 0.050000 0.000000 1.000000 0.000000 0.050000 0.050000 1.000000 0.050000 0.000000 0.050000 1.000000 0.050000 0.050000 0.050000 1.000000 -------------------------------------------------------------------------------------------------------- Dimension of arrays: k-points NKPTS = 8 k-points in BZ NKDIM = 8 number of bands NBANDS= 36 number of dos NEDOS = 301 number of ions NIONS = 20 non local maximal LDIM = 4 non local SUM 2l+1 LMDIM = 8 total plane-waves NPLWV = 125000 max r-space proj IRMAX = 2395 max aug-charges IRDMAX= 4378 dimension x,y,z NGX = 50 NGY = 50 NGZ = 50 dimension x,y,z NGXF= 100 NGYF= 100 NGZF= 100 support grid NGXF= 100 NGYF= 100 NGZF= 100 ions per type = 1 3 12 3 1 NGX,Y,Z is equivalent to a cutoff of 8.31, 8.31, 8.31 a.u. NGXF,Y,Z is equivalent to a cutoff of 16.62, 16.62, 16.62 a.u. SYSTEM = No title POSCAR = No title Startparameter for this run: NWRITE = 1 write-flag & timer PREC = normal normal or accurate (medium, high low for compatibility) ISTART = 0 job : 0-new 1-cont 2-samecut ICHARG = 2 charge: 1-file 2-atom 10-const ISPIN = 1 spin polarized calculation? LNONCOLLINEAR = F non collinear calculations LSORBIT = F spin-orbit coupling INIWAV = 1 electr: 0-lowe 1-rand 2-diag LASPH = F aspherical Exc in radial PAW Electronic Relaxation 1 ENCUT = 400.0 eV 29.40 Ry 5.42 a.u. 16.31 16.31 16.31*2*pi/ulx,y,z ENINI = 400.0 initial cutoff ENAUG = 644.9 eV augmentation charge cutoff NELM = 200; NELMIN= 2; NELMDL= -5 # of ELM steps EDIFF = 0.1E-04 stopping-criterion for ELM LREAL = T real-space projection NLSPLINE = F spline interpolate recip. space projectors LCOMPAT= F compatible to vasp.4.4 GGA_COMPAT = T GGA compatible to vasp.4.4-vasp.4.6 LMAXPAW = -100 max onsite density LMAXMIX = 2 max onsite mixed and CHGCAR VOSKOWN= 1 Vosko Wilk Nusair interpolation ROPT = -0.00050 -0.00050 -0.00050 -0.00050 ROPT = -0.00050 Ionic relaxation EDIFFG = -.2E-01 stopping-criterion for IOM NSW = 0 number of steps for IOM NBLOCK = 1; KBLOCK = 1 inner block; outer block IBRION = -1 ionic relax: 0-MD 1-quasi-New 2-CG NFREE = 0 steps in history (QN), initial steepest desc. (CG) ISIF = 2 stress and relaxation IWAVPR = 10 prediction: 0-non 1-charg 2-wave 3-comb ISYM = 2 0-nonsym 1-usesym 2-fastsym LCORR = T Harris-Foulkes like correction to forces POTIM = 0.5000 time-step for ionic-motion TEIN = 0.0 initial temperature TEBEG = 0.0; TEEND = 0.0 temperature during run SMASS = -3.00 Nose mass-parameter (am) estimated Nose-frequenzy (Omega) = 0.10E-29 period in steps = 0.13E+47 mass= -0.229E-26a.u. SCALEE = 1.0000 scale energy and forces NPACO = 256; APACO = 16.0 distance and # of slots for P.C. PSTRESS= 0.0 pullay stress Mass of Ions in am POMASS = 28.09 16.00 1.00 12.01 14.00 Ionic Valenz ZVAL = 4.00 6.00 1.00 4.00 5.00 Atomic Wigner-Seitz radii RWIGS = 1.11 0.73 0.32 0.77 0.75 virtual crystal weights VCA = 1.00 1.00 1.00 1.00 1.00 NELECT = 51.0000 total number of electrons NUPDOWN= -1.0000 fix difference up-down DOS related values: EMIN = 10.00; EMAX =-10.00 energy-range for DOS EFERMI = 0.00 ISMEAR = 1; SIGMA = 0.20 broadening in eV -4-tet -1-fermi 0-gaus Electronic relaxation 2 (details) IALGO = 38 algorithm LDIAG = T sub-space diagonalisation (order eigenvalues) LSUBROT= F optimize rotation matrix (better conditioning) TURBO = 0 0=normal 1=particle mesh IRESTART = 0 0=no restart 2=restart with 2 vectors NREBOOT = 0 no. of reboots NMIN = 0 reboot dimension EREF = 0.00 reference energy to select bands IMIX = 4 mixing-type and parameters AMIX = 0.40; BMIX = 1.00 AMIX_MAG = 1.60; BMIX_MAG = 1.00 AMIN = 0.10 WC = 100.; INIMIX= 1; MIXPRE= 1; MAXMIX= -45 Intra band minimization: WEIMIN = 0.0000 energy-eigenvalue tresh-hold EBREAK = 0.69E-07 absolut break condition DEPER = 0.30 relativ break condition TIME = 0.40 timestep for ELM volume/ion in A,a.u. = 50.00 337.42 Fermi-wavevector in a.u.,A,eV,Ry = 0.607107 1.147265 5.014812 0.368578 Thomas-Fermi vector in A = 1.661446 Write flags LWAVE = F write WAVECAR LDOWNSAMPLE = F k-point downsampling of WAVECAR LCHARG = F write CHGCAR LVTOT = F write LOCPOT, total local potential LVHAR = F write LOCPOT, Hartree potential only LELF = F write electronic localiz. function (ELF) LORBIT = 0 0 simple, 1 ext, 2 COOP (PROOUT), +10 PAW based schemes Dipole corrections LMONO = F monopole corrections only (constant potential shift) LDIPOL = F correct potential (dipole corrections) IDIPOL = 0 1-x, 2-y, 3-z, 4-all directions EPSILON= 1.0000000 bulk dielectric constant Exchange correlation treatment: GGA = -- GGA type LEXCH = 8 internal setting for exchange type VOSKOWN= 1 Vosko Wilk Nusair interpolation LHFCALC = F Hartree Fock is set to LHFONE = F Hartree Fock one center treatment AEXX = 0.0000 exact exchange contribution Linear response parameters LEPSILON= F determine dielectric tensor LRPA = F only Hartree local field effects (RPA) LNABLA = F use nabla operator in PAW spheres LVEL = F velocity operator in full k-point grid LINTERFAST= F fast interpolation KINTER = 0 interpolate to denser k-point grid CSHIFT =0.1000 complex shift for real part using Kramers Kronig OMEGAMAX= -1.0 maximum frequency DEG_THRESHOLD= 0.2000000E-02 threshold for treating states as degnerate RTIME = -0.100 relaxation time in fs (WPLASMAI= 0.000 imaginary part of plasma frequency in eV, 0.658/RTIME) DFIELD = 0.0000000 0.0000000 0.0000000 field for delta impulse in time Orbital magnetization related: ORBITALMAG= F switch on orbital magnetization LCHIMAG = F perturbation theory with respect to B field DQ = 0.001000 dq finite difference perturbation B field LLRAUG = F two centre corrections for induced B field -------------------------------------------------------------------------------------------------------- Static calculation charge density and potential will be updated during run non-spin polarized calculation Variant of blocked Davidson Davidson routine will perform the subspace rotation perform sub-space diagonalisation after iterative eigenvector-optimisation modified Broyden-mixing scheme, WC = 100.0 initial mixing is a Kerker type mixing with AMIX = 0.4000 and BMIX = 1.0000 Hartree-type preconditioning will be used using additional bands 10 real space projection scheme for non local part use partial core corrections calculate Harris-corrections to forces (improved forces if not selfconsistent) use gradient corrections use of overlap-Matrix (Vanderbilt PP) Methfessel and Paxton Order N= 1 SIGMA = 0.20 -------------------------------------------------------------------------------------------------------- energy-cutoff : 400.00 volume of cell : 1000.00 direct lattice vectors reciprocal lattice vectors 10.000000000 0.000000000 0.000000000 0.100000000 0.000000000 0.000000000 0.000000000 10.000000000 0.000000000 0.000000000 0.100000000 0.000000000 0.000000000 0.000000000 10.000000000 0.000000000 0.000000000 0.100000000 length of vectors 10.000000000 10.000000000 10.000000000 0.100000000 0.100000000 0.100000000 k-points in units of 2pi/SCALE and weight: Automatic mesh 0.00000000 0.00000000 0.00000000 0.125 0.05000000 0.00000000 0.00000000 0.125 0.00000000 0.05000000 0.00000000 0.125 0.00000000 0.00000000 0.05000000 0.125 0.05000000 0.05000000 0.00000000 0.125 0.00000000 0.05000000 0.05000000 0.125 0.05000000 0.00000000 0.05000000 0.125 0.05000000 0.05000000 0.05000000 0.125 k-points in reciprocal lattice and weights: Automatic mesh 0.00000000 0.00000000 0.00000000 0.125 0.50000000 0.00000000 0.00000000 0.125 0.00000000 0.50000000 0.00000000 0.125 0.00000000 0.00000000 0.50000000 0.125 0.50000000 0.50000000 0.00000000 0.125 0.00000000 0.50000000 0.50000000 0.125 0.50000000 0.00000000 0.50000000 0.125 0.50000000 0.50000000 0.50000000 0.125 position of ions in fractional coordinates (direct lattice) 0.62230490 0.61843357 0.45936140 0.63605646 0.63824370 0.29412199 0.72910378 0.71859593 0.53546379 0.46489943 0.64275624 0.50852701 0.58732124 0.37831014 0.48239933 0.58351418 0.61138551 0.09684645 0.44546650 0.59663527 0.21105917 0.56503523 0.46414834 0.19645170 0.75660638 0.91864938 0.50029395 0.80229979 0.81257284 0.36289901 0.90807865 0.82071180 0.50746671 0.43173600 0.82740306 0.60408300 0.29082477 0.75324754 0.52327901 0.41826718 0.83120874 0.42515071 0.44015395 0.38752425 0.51788191 0.55263320 0.29657356 0.60534521 0.55280150 0.57412756 0.19599367 0.80393175 0.82343908 0.47223485 0.39873934 0.77149549 0.51546574 0.51252502 0.31518703 0.51377412 position of ions in cartesian coordinates (Angst): 6.22304900 6.18433570 4.59361400 6.36056460 6.38243700 2.94121990 7.29103780 7.18595930 5.35463790 4.64899430 6.42756240 5.08527010 5.87321240 3.78310140 4.82399330 5.83514180 6.11385510 0.96846450 4.45466500 5.96635270 2.11059170 5.65035230 4.64148340 1.96451700 7.56606380 9.18649380 5.00293950 8.02299790 8.12572840 3.62899010 9.08078650 8.20711800 5.07466710 4.31736000 8.27403060 6.04083000 2.90824770 7.53247540 5.23279010 4.18267180 8.31208740 4.25150710 4.40153950 3.87524250 5.17881910 5.52633200 2.96573560 6.05345210 5.52801500 5.74127560 1.95993670 8.03931750 8.23439080 4.72234850 3.98739340 7.71495490 5.15465740 5.12525020 3.15187030 5.13774120 -------------------------------------------------------------------------------------------------------- k-point 1 : 0.0000 0.0000 0.0000 plane waves: 18037 k-point 2 : 0.5000 0.0000 0.0000 plane waves: 18184 k-point 3 : 0.0000 0.5000 0.0000 plane waves: 18184 k-point 4 : 0.0000 0.0000 0.5000 plane waves: 18184 k-point 5 : 0.5000 0.5000 0.0000 plane waves: 18176 k-point 6 : 0.0000 0.5000 0.5000 plane waves: 18176 k-point 7 : 0.5000 0.0000 0.5000 plane waves: 18176 k-point 8 : 0.5000 0.5000 0.5000 plane waves: 18048 maximum and minimum number of plane-waves per node : 18184 18037 maximum number of plane-waves: 18184 maximum index in each direction: IXMAX= 16 IYMAX= 16 IZMAX= 16 IXMIN= -16 IYMIN= -16 IZMIN= -16 The following grids will avoid any aliasing or wrap around errors in the Hartre e energy - symmetry arguments have not been applied - exchange correlation energies might require even more grid points - we recommend to set PREC=Normal or Accurate and rely on VASP defaults WARNING: aliasing errors must be expected set NGX to 70 to avoid them WARNING: aliasing errors must be expected set NGY to 70 to avoid them WARNING: aliasing errors must be expected set NGZ to 70 to avoid them serial 3D FFT for wavefunctions parallel 3D FFT for charge: minimum data exchange during FFTs selected (reduces bandwidth) total amount of memory used by VASP MPI-rank0 105037. kBytes ======================================================================= base : 30000. kBytes nonlr-proj: 2087. kBytes fftplans : 12087. kBytes grid : 32675. kBytes one-center: 61. kBytes wavefun : 28127. kBytes Broyden mixing: mesh for mixing (old mesh) NGX = 33 NGY = 33 NGZ = 33 (NGX =100 NGY =100 NGZ =100) gives a total of 35937 points initial charge density was supplied: charge density of overlapping atoms calculated number of electron 51.0000000 magnetization keeping initial charge density in first step -------------------------------------------------------------------------------------------------------- Maximum index for non-local projection operator 2279 Maximum index for augmentation-charges 1348 (set IRDMAX) -------------------------------------------------------------------------------------------------------- First call to EWALD: gamma= 0.177 Maximum number of real-space cells 3x 3x 3 Maximum number of reciprocal cells 3x 3x 3 ----------------------------------------- Iteration 1( 1) --------------------------------------- eigenvalue-minimisations : 648 total energy-change (2. order) : 0.3829728E+03 (-0.1492955E+04) number of electron 51.0000000 magnetization augmentation part 51.0000000 magnetization Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3050.20745646 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.51942880 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.00663597 eigenvalues EBANDS = -316.75756725 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = 382.97284515 eV energy without entropy = 382.97948112 energy(sigma->0) = 382.97505714 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 2) --------------------------------------- eigenvalue-minimisations : 918 total energy-change (2. order) :-0.3958665E+03 (-0.3840579E+03) number of electron 51.0000000 magnetization augmentation part 51.0000000 magnetization Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3050.20745646 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.51942880 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.01116825 eigenvalues EBANDS = -712.61950776 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -12.89362764 eV energy without entropy = -12.88245939 energy(sigma->0) = -12.88990489 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 3) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) :-0.9966136E+02 (-0.9921412E+02) number of electron 51.0000000 magnetization augmentation part 51.0000000 magnetization Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3050.20745646 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.51942880 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05199671 eigenvalues EBANDS = -812.24004378 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -112.55499212 eV energy without entropy = -112.50299541 energy(sigma->0) = -112.53765989 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 4) --------------------------------------- eigenvalue-minimisations : 765 total energy-change (2. order) :-0.4468696E+01 (-0.4457613E+01) number of electron 51.0000000 magnetization augmentation part 51.0000000 magnetization Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3050.20745646 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.51942880 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05631368 eigenvalues EBANDS = -816.70442248 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -117.02368779 eV energy without entropy = -116.96737411 energy(sigma->0) = -117.00491656 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 5) --------------------------------------- eigenvalue-minimisations : 855 total energy-change (2. order) :-0.8472321E-01 (-0.8463511E-01) number of electron 50.9999933 magnetization augmentation part 2.9882496 magnetization Broyden mixing: rms(total) = 0.20088E+01 rms(broyden)= 0.20068E+01 rms(prec ) = 0.26152E+01 weight for this iteration 100.00 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3050.20745646 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.51942880 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05640665 eigenvalues EBANDS = -816.78905273 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -117.10841100 eV energy without entropy = -117.05200435 energy(sigma->0) = -117.08960879 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 6) --------------------------------------- eigenvalue-minimisations : 702 total energy-change (2. order) : 0.1005858E+02 (-0.3063299E+01) number of electron 50.9999943 magnetization augmentation part 2.5247176 magnetization Broyden mixing: rms(total) = 0.98459E+00 rms(broyden)= 0.98425E+00 rms(prec ) = 0.11631E+01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.1972 1.1972 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3162.00928962 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 166.94368733 PAW double counting = 2582.51442099 -2574.63265824 entropy T*S EENTRO = -0.05637891 eigenvalues EBANDS = -700.04315807 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -107.04983539 eV energy without entropy = -106.99345648 energy(sigma->0) = -107.03104242 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 7) --------------------------------------- eigenvalue-minimisations : 783 total energy-change (2. order) : 0.1212438E+01 (-0.2198560E+00) number of electron 50.9999943 magnetization augmentation part 2.4877247 magnetization Broyden mixing: rms(total) = 0.49410E+00 rms(broyden)= 0.49404E+00 rms(prec ) = 0.59286E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5233 1.1402 1.9063 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3200.15188235 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 169.29318772 PAW double counting = 3458.94805243 -3451.18515716 entropy T*S EENTRO = -0.05632905 eigenvalues EBANDS = -662.91881050 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.83739777 eV energy without entropy = -105.78106872 energy(sigma->0) = -105.81862142 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 8) --------------------------------------- eigenvalue-minimisations : 747 total energy-change (2. order) : 0.4427196E+00 (-0.7815848E-01) number of electron 50.9999943 magnetization augmentation part 2.5080751 magnetization Broyden mixing: rms(total) = 0.10766E+00 rms(broyden)= 0.10762E+00 rms(prec ) = 0.17001E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4958 2.2725 1.1075 1.1075 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3227.75979485 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.07576460 PAW double counting = 4156.19008840 -4148.47933459 entropy T*S EENTRO = -0.05630321 eigenvalues EBANDS = -636.59863961 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.39467813 eV energy without entropy = -105.33837492 energy(sigma->0) = -105.37591040 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 9) --------------------------------------- eigenvalue-minimisations : 801 total energy-change (2. order) : 0.5353703E-01 (-0.9525019E-02) number of electron 50.9999943 magnetization augmentation part 2.4904603 magnetization Broyden mixing: rms(total) = 0.46733E-01 rms(broyden)= 0.46708E-01 rms(prec ) = 0.94466E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5154 1.0147 1.0147 2.1716 1.8604 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3239.37067082 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.66092114 PAW double counting = 4286.97315854 -4279.29858999 entropy T*S EENTRO = -0.05628661 eigenvalues EBANDS = -625.48321450 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.34114110 eV energy without entropy = -105.28485450 energy(sigma->0) = -105.32237890 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 10) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) : 0.7832837E-02 (-0.3486759E-02) number of electron 50.9999943 magnetization augmentation part 2.4870897 magnetization Broyden mixing: rms(total) = 0.29713E-01 rms(broyden)= 0.29700E-01 rms(prec ) = 0.64381E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4217 2.1504 1.6512 0.9939 1.1564 1.1564 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3244.70308365 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.80797306 PAW double counting = 4283.79240004 -4276.09583438 entropy T*S EENTRO = -0.05627882 eigenvalues EBANDS = -620.31202564 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.33330827 eV energy without entropy = -105.27702944 energy(sigma->0) = -105.31454866 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 11) --------------------------------------- eigenvalue-minimisations : 702 total energy-change (2. order) :-0.8444090E-03 (-0.1389306E-02) number of electron 50.9999943 magnetization augmentation part 2.4926814 magnetization Broyden mixing: rms(total) = 0.16411E-01 rms(broyden)= 0.16403E-01 rms(prec ) = 0.46063E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5356 2.4406 2.4406 1.3304 1.0558 0.9732 0.9732 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3247.38593237 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.83569915 PAW double counting = 4267.21971513 -4259.51007195 entropy T*S EENTRO = -0.05627641 eigenvalues EBANDS = -617.67082735 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.33415267 eV energy without entropy = -105.27787626 energy(sigma->0) = -105.31539387 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 12) --------------------------------------- eigenvalue-minimisations : 612 total energy-change (2. order) :-0.1190050E-02 (-0.6781478E-03) number of electron 50.9999943 magnetization augmentation part 2.4920377 magnetization Broyden mixing: rms(total) = 0.14609E-01 rms(broyden)= 0.14606E-01 rms(prec ) = 0.27992E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5622 3.0663 2.4477 1.2714 0.9981 0.9981 1.0769 1.0769 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3252.94352681 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.95642756 PAW double counting = 4254.96591805 -4247.25026800 entropy T*S EENTRO = -0.05627428 eigenvalues EBANDS = -612.24116038 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.33534273 eV energy without entropy = -105.27906845 energy(sigma->0) = -105.31658463 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 13) --------------------------------------- eigenvalue-minimisations : 657 total energy-change (2. order) :-0.3207745E-02 (-0.5427596E-03) number of electron 50.9999943 magnetization augmentation part 2.4872617 magnetization Broyden mixing: rms(total) = 0.79666E-02 rms(broyden)= 0.79548E-02 rms(prec ) = 0.16671E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.6185 3.6366 2.4115 1.4653 1.4653 0.9410 0.9410 1.0438 1.0438 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3255.30021623 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.99781538 PAW double counting = 4249.71331666 -4242.00109570 entropy T*S EENTRO = -0.05627459 eigenvalues EBANDS = -609.92563712 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.33855047 eV energy without entropy = -105.28227588 energy(sigma->0) = -105.31979227 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 14) --------------------------------------- eigenvalue-minimisations : 675 total energy-change (2. order) :-0.5277914E-02 (-0.1075190E-03) number of electron 50.9999943 magnetization augmentation part 2.4887067 magnetization Broyden mixing: rms(total) = 0.38579E-02 rms(broyden)= 0.38563E-02 rms(prec ) = 0.93967E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.7940 4.8265 2.6044 2.3589 1.3207 1.0181 1.0181 1.0768 0.9611 0.9611 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3255.94181572 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.98249685 PAW double counting = 4251.23235254 -4243.51443486 entropy T*S EENTRO = -0.05627440 eigenvalues EBANDS = -609.27969392 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.34382838 eV energy without entropy = -105.28755398 energy(sigma->0) = -105.32507025 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 15) --------------------------------------- eigenvalue-minimisations : 657 total energy-change (2. order) :-0.4095227E-02 (-0.4061157E-04) number of electron 50.9999943 magnetization augmentation part 2.4886177 magnetization Broyden mixing: rms(total) = 0.23929E-02 rms(broyden)= 0.23926E-02 rms(prec ) = 0.50578E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.9261 6.0567 2.8215 2.1727 1.8605 1.0459 1.0459 1.1781 1.1781 0.9508 0.9508 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3256.64348786 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.98361848 PAW double counting = 4254.12889868 -4246.41195411 entropy T*S EENTRO = -0.05627310 eigenvalues EBANDS = -608.58226684 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.34792361 eV energy without entropy = -105.29165052 energy(sigma->0) = -105.32916591 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 16) --------------------------------------- eigenvalue-minimisations : 684 total energy-change (2. order) :-0.2966152E-02 (-0.3331797E-04) number of electron 50.9999943 magnetization augmentation part 2.4884187 magnetization Broyden mixing: rms(total) = 0.14933E-02 rms(broyden)= 0.14926E-02 rms(prec ) = 0.26523E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.9866 6.6460 3.2237 2.3096 2.3096 1.0241 1.0241 1.2568 1.0839 1.0839 0.9453 0.9453 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3256.68881840 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.97604650 PAW double counting = 4253.85746682 -4246.14166170 entropy T*S EENTRO = -0.05627004 eigenvalues EBANDS = -608.53119407 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.35088976 eV energy without entropy = -105.29461973 energy(sigma->0) = -105.33213308 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 17) --------------------------------------- eigenvalue-minimisations : 684 total energy-change (2. order) :-0.1036100E-02 (-0.1098614E-04) number of electron 50.9999943 magnetization augmentation part 2.4887002 magnetization Broyden mixing: rms(total) = 0.86112E-03 rms(broyden)= 0.86075E-03 rms(prec ) = 0.13785E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.0408 7.3242 3.6416 2.4177 2.1205 1.6922 1.0351 1.0351 1.2123 1.2123 0.9363 0.9309 0.9309 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3256.67008761 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.97416046 PAW double counting = 4255.02686965 -4247.31070385 entropy T*S EENTRO = -0.05626826 eigenvalues EBANDS = -608.54943740 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.35192586 eV energy without entropy = -105.29565760 energy(sigma->0) = -105.33316978 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 18) --------------------------------------- eigenvalue-minimisations : 612 total energy-change (2. order) :-0.3340107E-03 (-0.3091147E-05) number of electron 50.9999943 magnetization augmentation part 2.4887679 magnetization Broyden mixing: rms(total) = 0.69436E-03 rms(broyden)= 0.69416E-03 rms(prec ) = 0.96628E-03 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.1342 7.8236 4.4222 2.6988 2.3685 1.8342 1.0217 1.0217 1.2259 1.2259 1.2234 0.9758 0.9516 0.9516 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1315.07334185 -Hartree energ DENC = -3256.61858186 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.97245692 PAW double counting = 4254.55217653 -4246.83564121 entropy T*S EENTRO = -0.05626741 eigenvalues EBANDS = -608.59994398 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.35225987 eV energy without entropy = -105.29599247 energy(sigma->0) = -105.33350407 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 19) ---------------------------------------