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 20:28:17 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 0.602 0.635 0.465- 2 1.66 4 1.66 3 1.67 2 0.622 0.645 0.300- 17 1.42 1 1.66 3 0.687 0.765 0.527- 18 1.43 1 1.67 4 0.443 0.653 0.511- 19 1.44 1 1.66 5 0.605 0.398 0.553- 20 1.02 6 0.558 0.625 0.106- 17 1.10 7 0.436 0.576 0.228- 17 1.11 8 0.577 0.470 0.194- 17 1.10 9 0.837 0.904 0.501- 18 1.10 10 0.815 0.790 0.365- 18 1.10 11 0.894 0.735 0.516- 18 1.10 12 0.434 0.833 0.621- 19 1.10 13 0.279 0.767 0.559- 19 1.10 14 0.393 0.849 0.448- 19 1.10 15 0.453 0.350 0.513- 20 1.02 16 0.579 0.281 0.432- 20 1.03 17 0.544 0.575 0.203- 6 1.10 8 1.10 7 1.11 2 1.42 18 0.815 0.799 0.474- 9 1.10 10 1.10 11 1.10 3 1.43 19 0.385 0.783 0.536- 13 1.10 12 1.10 14 1.10 4 1.44 20 0.546 0.367 0.475- 15 1.02 5 1.02 16 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) 0.601896040 0.635264030 0.465074510 0.621641940 0.644851790 0.300280060 0.686658480 0.765302600 0.526846410 0.442803900 0.653386110 0.510510930 0.604867220 0.397703920 0.552896180 0.558273590 0.625498540 0.105939600 0.436057200 0.576016040 0.228353140 0.576691300 0.470435630 0.193812370 0.836817500 0.903582780 0.500988600 0.815072840 0.790011080 0.364866000 0.893769650 0.734762880 0.516388180 0.433668300 0.832560870 0.621306900 0.278749660 0.766878570 0.559283230 0.392571410 0.848709120 0.447651170 0.453445540 0.349954430 0.513075340 0.579430340 0.280626570 0.432160320 0.543832010 0.575410750 0.203247980 0.815165060 0.799421870 0.474292900 0.384846650 0.782774350 0.535956110 0.546040420 0.367497230 0.475168630 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) 0.60189604 0.63526403 0.46507451 0.62164194 0.64485179 0.30028006 0.68665848 0.76530260 0.52684641 0.44280390 0.65338611 0.51051093 0.60486722 0.39770392 0.55289618 0.55827359 0.62549854 0.10593960 0.43605720 0.57601604 0.22835314 0.57669130 0.47043563 0.19381237 0.83681750 0.90358278 0.50098860 0.81507284 0.79001108 0.36486600 0.89376965 0.73476288 0.51638818 0.43366830 0.83256087 0.62130690 0.27874966 0.76687857 0.55928323 0.39257141 0.84870912 0.44765117 0.45344554 0.34995443 0.51307534 0.57943034 0.28062657 0.43216032 0.54383201 0.57541075 0.20324798 0.81516506 0.79942187 0.47429290 0.38484665 0.78277435 0.53595611 0.54604042 0.36749723 0.47516863 position of ions in cartesian coordinates (Angst): 6.01896040 6.35264030 4.65074510 6.21641940 6.44851790 3.00280060 6.86658480 7.65302600 5.26846410 4.42803900 6.53386110 5.10510930 6.04867220 3.97703920 5.52896180 5.58273590 6.25498540 1.05939600 4.36057200 5.76016040 2.28353140 5.76691300 4.70435630 1.93812370 8.36817500 9.03582780 5.00988600 8.15072840 7.90011080 3.64866000 8.93769650 7.34762880 5.16388180 4.33668300 8.32560870 6.21306900 2.78749660 7.66878570 5.59283230 3.92571410 8.48709120 4.47651170 4.53445540 3.49954430 5.13075340 5.79430340 2.80626570 4.32160320 5.43832010 5.75410750 2.03247980 8.15165060 7.99421870 4.74292900 3.84846650 7.82774350 5.35956110 5.46040420 3.67497230 4.75168630 -------------------------------------------------------------------------------------------------------- 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 105036. kBytes ======================================================================= base : 30000. kBytes nonlr-proj: 2086. 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 2280 Maximum index for augmentation-charges 1360 (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 : 657 total energy-change (2. order) : 0.3814106E+03 (-0.1497226E+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 = 1391.49517956 -Hartree energ DENC = -3125.31682450 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.68872520 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = 0.00089175 eigenvalues EBANDS = -319.80908188 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = 381.41062431 eV energy without entropy = 381.40973256 energy(sigma->0) = 381.41032706 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 2) --------------------------------------- eigenvalue-minimisations : 936 total energy-change (2. order) :-0.3963810E+03 (-0.3834561E+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 = 1391.49517956 -Hartree energ DENC = -3125.31682450 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.68872520 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.00297093 eigenvalues EBANDS = -716.18624406 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -14.97040056 eV energy without entropy = -14.96742963 energy(sigma->0) = -14.96941025 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 3) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) :-0.9793234E+02 (-0.9744716E+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 = 1391.49517956 -Hartree energ DENC = -3125.31682450 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.68872520 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05305479 eigenvalues EBANDS = -814.06850499 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -112.90274534 eV energy without entropy = -112.84969055 energy(sigma->0) = -112.88506041 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 4) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) :-0.4311186E+01 (-0.4298438E+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 = 1391.49517956 -Hartree energ DENC = -3125.31682450 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.68872520 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05641042 eigenvalues EBANDS = -818.37633506 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -117.21393103 eV energy without entropy = -117.15752062 energy(sigma->0) = -117.19512756 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 5) --------------------------------------- eigenvalue-minimisations : 846 total energy-change (2. order) :-0.1281437E+00 (-0.1281127E+00) number of electron 50.9999928 magnetization augmentation part 2.9940455 magnetization Broyden mixing: rms(total) = 0.20081E+01 rms(broyden)= 0.20060E+01 rms(prec ) = 0.26132E+01 weight for this iteration 100.00 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3125.31682450 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.68872520 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05641304 eigenvalues EBANDS = -818.50447614 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -117.34207474 eV energy without entropy = -117.28566170 energy(sigma->0) = -117.32327040 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 6) --------------------------------------- eigenvalue-minimisations : 711 total energy-change (2. order) : 0.9926586E+01 (-0.2981831E+01) number of electron 50.9999937 magnetization augmentation part 2.5437062 magnetization Broyden mixing: rms(total) = 0.98110E+00 rms(broyden)= 0.98077E+00 rms(prec ) = 0.11683E+01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.2046 1.2046 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3239.85893180 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 167.03122910 PAW double counting = 2587.15153286 -2579.29212524 entropy T*S EENTRO = -0.05638504 eigenvalues EBANDS = -699.04618792 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -107.41548920 eV energy without entropy = -107.35910416 energy(sigma->0) = -107.39669418 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 7) --------------------------------------- eigenvalue-minimisations : 756 total energy-change (2. order) : 0.1293378E+01 (-0.2078409E+00) number of electron 50.9999938 magnetization augmentation part 2.5015249 magnetization Broyden mixing: rms(total) = 0.49279E+00 rms(broyden)= 0.49272E+00 rms(prec ) = 0.59927E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5486 1.1464 1.9507 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3281.15488614 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 169.42697445 PAW double counting = 3472.07930525 -3464.37240847 entropy T*S EENTRO = -0.05637736 eigenvalues EBANDS = -658.70009795 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -106.12211138 eV energy without entropy = -106.06573402 energy(sigma->0) = -106.10331893 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 8) --------------------------------------- eigenvalue-minimisations : 756 total energy-change (2. order) : 0.5013376E+00 (-0.8596043E-01) number of electron 50.9999938 magnetization augmentation part 2.5199978 magnetization Broyden mixing: rms(total) = 0.10386E+00 rms(broyden)= 0.10382E+00 rms(prec ) = 0.17469E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4948 2.2614 1.1116 1.1116 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3311.98699486 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.27232817 PAW double counting = 4199.73328734 -4192.07088040 entropy T*S EENTRO = -0.05635838 eigenvalues EBANDS = -629.16753454 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.62077382 eV energy without entropy = -105.56441544 energy(sigma->0) = -105.60198769 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 9) --------------------------------------- eigenvalue-minimisations : 774 total energy-change (2. order) : 0.5840310E-01 (-0.1028430E-01) number of electron 50.9999938 magnetization augmentation part 2.5019584 magnetization Broyden mixing: rms(total) = 0.50128E-01 rms(broyden)= 0.50103E-01 rms(prec ) = 0.10356E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5245 2.1761 1.9129 1.0046 1.0046 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3323.40071501 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.78688011 PAW double counting = 4304.62560379 -4296.98938994 entropy T*S EENTRO = -0.05634183 eigenvalues EBANDS = -618.18378668 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.56237071 eV energy without entropy = -105.50602888 energy(sigma->0) = -105.54359010 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 10) --------------------------------------- eigenvalue-minimisations : 711 total energy-change (2. order) : 0.1311725E-01 (-0.4185522E-02) number of electron 50.9999938 magnetization augmentation part 2.4974636 magnetization Broyden mixing: rms(total) = 0.33036E-01 rms(broyden)= 0.33024E-01 rms(prec ) = 0.70486E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4191 2.1219 1.7132 0.9963 1.1320 1.1320 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3329.74796320 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.95121077 PAW double counting = 4302.81799592 -4295.15041269 entropy T*S EENTRO = -0.05633535 eigenvalues EBANDS = -612.01912776 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.54925347 eV energy without entropy = -105.49291811 energy(sigma->0) = -105.53047501 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 11) --------------------------------------- eigenvalue-minimisations : 711 total energy-change (2. order) : 0.5021846E-03 (-0.1379485E-02) number of electron 50.9999938 magnetization augmentation part 2.5026498 magnetization Broyden mixing: rms(total) = 0.16073E-01 rms(broyden)= 0.16066E-01 rms(prec ) = 0.50251E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5712 2.5350 2.5350 1.2777 1.0775 1.0010 1.0010 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3332.30222454 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.96667763 PAW double counting = 4282.77388192 -4275.09310536 entropy T*S EENTRO = -0.05633740 eigenvalues EBANDS = -609.49302236 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.54875128 eV energy without entropy = -105.49241388 energy(sigma->0) = -105.52997215 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 12) --------------------------------------- eigenvalue-minimisations : 630 total energy-change (2. order) : 0.7080722E-03 (-0.1074333E-02) number of electron 50.9999938 magnetization augmentation part 2.5022606 magnetization Broyden mixing: rms(total) = 0.15010E-01 rms(broyden)= 0.15007E-01 rms(prec ) = 0.28231E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5570 3.1081 2.4414 1.1120 1.1120 1.1716 1.0697 0.8843 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3339.16668187 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 172.09847376 PAW double counting = 4263.78431861 -4256.09057633 entropy T*S EENTRO = -0.05634102 eigenvalues EBANDS = -602.77261521 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.54804321 eV energy without entropy = -105.49170219 energy(sigma->0) = -105.52926287 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 13) --------------------------------------- eigenvalue-minimisations : 684 total energy-change (2. order) :-0.4172046E-02 (-0.5564322E-03) number of electron 50.9999938 magnetization augmentation part 2.4971094 magnetization Broyden mixing: rms(total) = 0.86600E-02 rms(broyden)= 0.86481E-02 rms(prec ) = 0.18346E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.6071 3.7064 2.4331 1.5416 1.0738 1.0738 1.2197 0.9451 0.8637 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3341.11799948 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 172.12960583 PAW double counting = 4259.55722443 -4251.86859399 entropy T*S EENTRO = -0.05634033 eigenvalues EBANDS = -600.85149056 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.55221525 eV energy without entropy = -105.49587492 energy(sigma->0) = -105.53343514 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 14) --------------------------------------- eigenvalue-minimisations : 657 total energy-change (2. order) :-0.5523380E-02 (-0.1246218E-03) number of electron 50.9999938 magnetization augmentation part 2.4988587 magnetization Broyden mixing: rms(total) = 0.44429E-02 rms(broyden)= 0.44414E-02 rms(prec ) = 0.10702E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.8060 4.9864 2.5799 2.3996 1.0199 1.0199 1.2934 1.0930 0.9308 0.9308 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3341.84049593 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 172.11333288 PAW double counting = 4257.66470325 -4249.97067438 entropy T*S EENTRO = -0.05633888 eigenvalues EBANDS = -600.12364442 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.55773863 eV energy without entropy = -105.50139975 energy(sigma->0) = -105.53895901 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 15) --------------------------------------- eigenvalue-minimisations : 684 total energy-change (2. order) :-0.5811063E-02 (-0.7880456E-04) number of electron 50.9999938 magnetization augmentation part 2.4986212 magnetization Broyden mixing: rms(total) = 0.26214E-02 rms(broyden)= 0.26211E-02 rms(prec ) = 0.54310E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.8731 5.8481 2.8119 2.3060 1.6548 1.0579 1.0579 1.0911 1.0911 0.9059 0.9059 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3342.60482287 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 172.11470085 PAW double counting = 4263.37720359 -4255.68451463 entropy T*S EENTRO = -0.05633291 eigenvalues EBANDS = -599.36516257 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.56354970 eV energy without entropy = -105.50721679 energy(sigma->0) = -105.54477206 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 16) --------------------------------------- eigenvalue-minimisations : 702 total energy-change (2. order) :-0.2950179E-02 (-0.4071776E-04) number of electron 50.9999938 magnetization augmentation part 2.4985707 magnetization Broyden mixing: rms(total) = 0.17682E-02 rms(broyden)= 0.17679E-02 rms(prec ) = 0.30472E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.0208 6.8336 3.4695 2.3205 2.3205 1.3561 1.0287 1.0287 1.0460 1.0460 0.8894 0.8894 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3342.51161528 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 172.10389697 PAW double counting = 4263.42768853 -4255.73464928 entropy T*S EENTRO = -0.05632906 eigenvalues EBANDS = -599.45087060 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.56649988 eV energy without entropy = -105.51017082 energy(sigma->0) = -105.54772352 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 17) --------------------------------------- eigenvalue-minimisations : 684 total energy-change (2. order) :-0.1215717E-02 (-0.1739010E-04) number of electron 50.9999938 magnetization augmentation part 2.4988226 magnetization Broyden mixing: rms(total) = 0.78793E-03 rms(broyden)= 0.78715E-03 rms(prec ) = 0.13138E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.0788 7.2036 3.9452 2.3627 2.3627 1.8869 1.0373 1.0373 1.1642 1.1642 0.9719 0.9050 0.9050 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3342.50330124 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 172.10144500 PAW double counting = 4264.20329808 -4256.51012512 entropy T*S EENTRO = -0.05632726 eigenvalues EBANDS = -599.45808389 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.56771559 eV energy without entropy = -105.51138833 energy(sigma->0) = -105.54893984 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 18) --------------------------------------- eigenvalue-minimisations : 567 total energy-change (2. order) :-0.3800001E-03 (-0.5557582E-05) number of electron 50.9999938 magnetization augmentation part 2.4988808 magnetization Broyden mixing: rms(total) = 0.79902E-03 rms(broyden)= 0.79866E-03 rms(prec ) = 0.10799E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.1107 7.7188 4.4358 2.6201 2.4635 1.9439 1.3415 1.0215 1.0215 0.9748 0.9748 0.9345 0.9945 0.9945 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1391.49517956 -Hartree energ DENC = -3342.48255231 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 172.10095626 PAW double counting = 4263.63344073 -4255.94025249 entropy T*S EENTRO = -0.05632676 eigenvalues EBANDS = -599.47873987 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.56809559 eV energy without entropy = -105.51176883 energy(sigma->0) = -105.54932001 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 19) ---------------------------------------