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 20:28:18 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 0.625 0.607 0.456- 5 1.51 3 1.64 2 1.65 4 1.66 2 0.637 0.632 0.294- 17 1.43 1 1.65 3 0.736 0.705 0.526- 18 1.43 1 1.64 4 0.471 0.633 0.513- 19 1.44 1 1.66 5 0.647 0.463 0.494- 1 1.51 6 0.585 0.609 0.097- 17 1.10 7 0.447 0.598 0.211- 17 1.10 8 0.564 0.462 0.196- 17 1.10 9 0.745 0.912 0.505- 18 1.10 10 0.799 0.819 0.361- 18 1.10 11 0.902 0.826 0.508- 18 1.10 12 0.432 0.817 0.603- 19 1.10 13 0.296 0.739 0.517- 19 1.10 14 0.426 0.819 0.423- 19 1.10 15 0.422 0.396 0.534- 20 1.05 16 0.523 0.289 0.602- 20 1.05 17 0.553 0.572 0.195- 6 1.10 8 1.10 7 1.10 2 1.43 18 0.798 0.822 0.471- 11 1.10 10 1.10 9 1.10 3 1.43 19 0.404 0.760 0.514- 13 1.10 12 1.10 14 1.10 4 1.44 20 0.490 0.321 0.508- 15 1.05 16 1.05 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) 0.624756200 0.607274250 0.456227450 0.637393930 0.632490190 0.293565020 0.736096400 0.705228060 0.526305740 0.470991490 0.632778920 0.512640790 0.647315540 0.462860380 0.494338660 0.584980490 0.609324190 0.096547050 0.447194390 0.597632740 0.210948930 0.563592650 0.461844100 0.196419080 0.745022070 0.911830090 0.504645590 0.798881200 0.819327770 0.361365660 0.901641140 0.825741200 0.507848390 0.432349700 0.817359820 0.602580710 0.296113080 0.739429850 0.517316500 0.425748520 0.818908970 0.423463860 0.421826050 0.395766320 0.533990650 0.522865280 0.289039950 0.602098170 0.553345900 0.571680870 0.194957260 0.798294970 0.821559180 0.471206220 0.403798070 0.759598550 0.513570640 0.490092180 0.320973550 0.508062050 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) 0.62475620 0.60727425 0.45622745 0.63739393 0.63249019 0.29356502 0.73609640 0.70522806 0.52630574 0.47099149 0.63277892 0.51264079 0.64731554 0.46286038 0.49433866 0.58498049 0.60932419 0.09654705 0.44719439 0.59763274 0.21094893 0.56359265 0.46184410 0.19641908 0.74502207 0.91183009 0.50464559 0.79888120 0.81932777 0.36136566 0.90164114 0.82574120 0.50784839 0.43234970 0.81735982 0.60258071 0.29611308 0.73942985 0.51731650 0.42574852 0.81890897 0.42346386 0.42182605 0.39576632 0.53399065 0.52286528 0.28903995 0.60209817 0.55334590 0.57168087 0.19495726 0.79829497 0.82155918 0.47120622 0.40379807 0.75959855 0.51357064 0.49009218 0.32097355 0.50806205 position of ions in cartesian coordinates (Angst): 6.24756200 6.07274250 4.56227450 6.37393930 6.32490190 2.93565020 7.36096400 7.05228060 5.26305740 4.70991490 6.32778920 5.12640790 6.47315540 4.62860380 4.94338660 5.84980490 6.09324190 0.96547050 4.47194390 5.97632740 2.10948930 5.63592650 4.61844100 1.96419080 7.45022070 9.11830090 5.04645590 7.98881200 8.19327770 3.61365660 9.01641140 8.25741200 5.07848390 4.32349700 8.17359820 6.02580710 2.96113080 7.39429850 5.17316500 4.25748520 8.18908970 4.23463860 4.21826050 3.95766320 5.33990650 5.22865280 2.89039950 6.02098170 5.53345900 5.71680870 1.94957260 7.98294970 8.21559180 4.71206220 4.03798070 7.59598550 5.13570640 4.90092180 3.20973550 5.08062050 -------------------------------------------------------------------------------------------------------- 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 105031. kBytes ======================================================================= base : 30000. kBytes nonlr-proj: 2081. 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 2264 Maximum index for augmentation-charges 1353 (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) : 0.3723321E+03 (-0.1498756E+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 = 1345.49830440 -Hartree energ DENC = -3086.66385174 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.15137866 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.00505690 eigenvalues EBANDS = -321.00043003 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = 372.33207858 eV energy without entropy = 372.33713548 energy(sigma->0) = 372.33376421 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 2) --------------------------------------- eigenvalue-minimisations : 909 total energy-change (2. order) :-0.3865662E+03 (-0.3737355E+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 = 1345.49830440 -Hartree energ DENC = -3086.66385174 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.15137866 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.00709256 eigenvalues EBANDS = -707.56464055 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -14.23416760 eV energy without entropy = -14.22707504 energy(sigma->0) = -14.23180341 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 3) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) :-0.9635477E+02 (-0.9589280E+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 = 1345.49830440 -Hartree energ DENC = -3086.66385174 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.15137866 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05016393 eigenvalues EBANDS = -803.87633724 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -110.58893567 eV energy without entropy = -110.53877174 energy(sigma->0) = -110.57221436 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 4) --------------------------------------- eigenvalue-minimisations : 783 total energy-change (2. order) :-0.4421698E+01 (-0.4408518E+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 = 1345.49830440 -Hartree energ DENC = -3086.66385174 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.15137866 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05640361 eigenvalues EBANDS = -808.29179572 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -115.01063382 eV energy without entropy = -114.95423021 energy(sigma->0) = -114.99183261 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 5) --------------------------------------- eigenvalue-minimisations : 837 total energy-change (2. order) :-0.6509890E-01 (-0.6507107E-01) number of electron 50.9999937 magnetization augmentation part 2.9345823 magnetization Broyden mixing: rms(total) = 0.19673E+01 rms(broyden)= 0.19653E+01 rms(prec ) = 0.25133E+01 weight for this iteration 100.00 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3086.66385174 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.15137866 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05641758 eigenvalues EBANDS = -808.35688064 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -115.07573272 eV energy without entropy = -115.01931514 energy(sigma->0) = -115.05692686 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 6) --------------------------------------- eigenvalue-minimisations : 756 total energy-change (2. order) : 0.8663733E+01 (-0.2339875E+01) number of electron 50.9999941 magnetization augmentation part 2.5316812 magnetization Broyden mixing: rms(total) = 0.99864E+00 rms(broyden)= 0.99838E+00 rms(prec ) = 0.11842E+01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.3112 1.3112 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3191.06190337 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 166.24011159 PAW double counting = 2604.23698159 -2596.32583769 entropy T*S EENTRO = -0.05641774 eigenvalues EBANDS = -700.10343746 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -106.41199940 eV energy without entropy = -106.35558166 energy(sigma->0) = -106.39319348 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 7) --------------------------------------- eigenvalue-minimisations : 765 total energy-change (2. order) : 0.1384219E+01 (-0.2124612E+00) number of electron 50.9999941 magnetization augmentation part 2.4776978 magnetization Broyden mixing: rms(total) = 0.45005E+00 rms(broyden)= 0.44997E+00 rms(prec ) = 0.54782E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5194 1.1679 1.8709 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3234.53495681 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 168.97348330 PAW double counting = 3617.69078689 -3609.97373026 entropy T*S EENTRO = -0.05641787 eigenvalues EBANDS = -657.78544966 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.02778072 eV energy without entropy = -104.97136285 energy(sigma->0) = -105.00897476 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 8) --------------------------------------- eigenvalue-minimisations : 747 total energy-change (2. order) : 0.3950549E+00 (-0.6566359E-01) number of electron 50.9999941 magnetization augmentation part 2.4966447 magnetization Broyden mixing: rms(total) = 0.11300E+00 rms(broyden)= 0.11296E+00 rms(prec ) = 0.17493E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5185 2.2485 1.1535 1.1535 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3259.94045691 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 170.63449914 PAW double counting = 4271.25354367 -4263.54654974 entropy T*S EENTRO = -0.05641791 eigenvalues EBANDS = -633.63584777 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.63272583 eV energy without entropy = -104.57630792 energy(sigma->0) = -104.61391986 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 9) --------------------------------------- eigenvalue-minimisations : 783 total energy-change (2. order) : 0.5660009E-01 (-0.8705548E-02) number of electron 50.9999941 magnetization augmentation part 2.4814281 magnetization Broyden mixing: rms(total) = 0.45963E-01 rms(broyden)= 0.45935E-01 rms(prec ) = 0.94212E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5206 2.2220 1.8430 1.0086 1.0086 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3271.73253557 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.22154683 PAW double counting = 4386.73675334 -4379.06205199 entropy T*S EENTRO = -0.05641791 eigenvalues EBANDS = -622.34192411 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.57612574 eV energy without entropy = -104.51970783 energy(sigma->0) = -104.55731977 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 10) --------------------------------------- eigenvalue-minimisations : 711 total energy-change (2. order) : 0.8716707E-02 (-0.3331349E-02) number of electron 50.9999941 magnetization augmentation part 2.4767164 magnetization Broyden mixing: rms(total) = 0.31431E-01 rms(broyden)= 0.31419E-01 rms(prec ) = 0.66308E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4147 2.1097 1.8384 0.9906 1.0674 1.0674 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3277.43570560 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.39159650 PAW double counting = 4381.42994245 -4373.73510686 entropy T*S EENTRO = -0.05641791 eigenvalues EBANDS = -616.82022129 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.56740903 eV energy without entropy = -104.51099112 energy(sigma->0) = -104.54860306 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 11) --------------------------------------- eigenvalue-minimisations : 684 total energy-change (2. order) :-0.1280606E-02 (-0.1810090E-02) number of electron 50.9999941 magnetization augmentation part 2.4835517 magnetization Broyden mixing: rms(total) = 0.18799E-01 rms(broyden)= 0.18789E-01 rms(prec ) = 0.47141E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5602 2.4942 2.4942 1.3676 1.0896 0.9578 0.9578 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3280.25769523 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.40202535 PAW double counting = 4357.13225192 -4349.41987732 entropy T*S EENTRO = -0.05641791 eigenvalues EBANDS = -614.02748014 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.56868964 eV energy without entropy = -104.51227173 energy(sigma->0) = -104.54988367 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 12) --------------------------------------- eigenvalue-minimisations : 603 total energy-change (2. order) : 0.3933855E-04 (-0.7975919E-03) number of electron 50.9999941 magnetization augmentation part 2.4823238 magnetization Broyden mixing: rms(total) = 0.17784E-01 rms(broyden)= 0.17781E-01 rms(prec ) = 0.29789E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5872 3.2182 2.4427 1.4461 1.0081 1.0081 0.9936 0.9936 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3286.14251672 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.53385839 PAW double counting = 4346.38800464 -4338.67130325 entropy T*S EENTRO = -0.05641791 eigenvalues EBANDS = -608.27877912 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.56865030 eV energy without entropy = -104.51223239 energy(sigma->0) = -104.54984433 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 13) --------------------------------------- eigenvalue-minimisations : 657 total energy-change (2. order) :-0.3443911E-02 (-0.5505773E-03) number of electron 50.9999941 magnetization augmentation part 2.4774686 magnetization Broyden mixing: rms(total) = 0.77847E-02 rms(broyden)= 0.77709E-02 rms(prec ) = 0.15976E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.7163 3.9440 2.4386 1.9787 1.3866 1.0497 1.0497 0.9414 0.9414 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3288.29191081 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.56914736 PAW double counting = 4341.78712401 -4334.07394384 entropy T*S EENTRO = -0.05641792 eigenvalues EBANDS = -606.16459669 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.57209421 eV energy without entropy = -104.51567629 energy(sigma->0) = -104.55328824 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 14) --------------------------------------- eigenvalue-minimisations : 621 total energy-change (2. order) :-0.7016046E-02 (-0.1360489E-03) number of electron 50.9999941 magnetization augmentation part 2.4783082 magnetization Broyden mixing: rms(total) = 0.38677E-02 rms(broyden)= 0.38654E-02 rms(prec ) = 0.85723E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.8029 4.8560 2.6411 2.3294 1.3966 1.0078 1.0078 1.0873 0.9499 0.9499 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3288.92609920 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.55274388 PAW double counting = 4348.20464672 -4340.48514935 entropy T*S EENTRO = -0.05641793 eigenvalues EBANDS = -605.52733806 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.57911026 eV energy without entropy = -104.52269233 energy(sigma->0) = -104.56030428 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 15) --------------------------------------- eigenvalue-minimisations : 693 total energy-change (2. order) :-0.3185581E-02 (-0.3106376E-04) number of electron 50.9999941 magnetization augmentation part 2.4776950 magnetization Broyden mixing: rms(total) = 0.39031E-02 rms(broyden)= 0.39026E-02 rms(prec ) = 0.63217E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.9098 5.7332 2.8157 2.0693 2.0693 1.4053 1.0385 1.0385 1.0912 0.9185 0.9185 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3289.55273838 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.55948878 PAW double counting = 4351.43394851 -4343.71665304 entropy T*S EENTRO = -0.05641794 eigenvalues EBANDS = -604.90842746 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.58229584 eV energy without entropy = -104.52587790 energy(sigma->0) = -104.56348986 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 16) --------------------------------------- eigenvalue-minimisations : 648 total energy-change (2. order) :-0.3064414E-02 (-0.4865362E-04) number of electron 50.9999941 magnetization augmentation part 2.4780910 magnetization Broyden mixing: rms(total) = 0.17608E-02 rms(broyden)= 0.17591E-02 rms(prec ) = 0.29143E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.9506 6.3922 3.2301 2.3434 2.0285 1.0198 1.0198 1.2217 1.2217 1.1417 0.9188 0.9188 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3289.58232108 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.54822762 PAW double counting = 4350.79310230 -4343.07721219 entropy T*S EENTRO = -0.05641793 eigenvalues EBANDS = -604.86924266 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.58536025 eV energy without entropy = -104.52894232 energy(sigma->0) = -104.56655427 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 17) --------------------------------------- eigenvalue-minimisations : 693 total energy-change (2. order) :-0.7805690E-03 (-0.1177414E-04) number of electron 50.9999941 magnetization augmentation part 2.4783477 magnetization Broyden mixing: rms(total) = 0.12756E-02 rms(broyden)= 0.12748E-02 rms(prec ) = 0.18040E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.9664 7.0823 3.2434 2.3228 2.2568 1.3073 1.3073 1.0249 1.0249 1.0908 1.0908 0.9226 0.9226 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3289.52116224 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.54583272 PAW double counting = 4351.90796076 -4344.19152317 entropy T*S EENTRO = -0.05641793 eigenvalues EBANDS = -604.92933464 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.58614082 eV energy without entropy = -104.52972289 energy(sigma->0) = -104.56733484 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 18) --------------------------------------- eigenvalue-minimisations : 567 total energy-change (2. order) :-0.3326447E-03 (-0.2562828E-05) number of electron 50.9999941 magnetization augmentation part 2.4783377 magnetization Broyden mixing: rms(total) = 0.72518E-03 rms(broyden)= 0.72502E-03 rms(prec ) = 0.10745E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.0621 7.5667 4.1644 2.5396 2.2267 1.7372 1.2365 1.2365 0.9998 0.9998 1.1278 1.1278 0.9221 0.9221 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1345.49830440 -Hartree energ DENC = -3289.48632918 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.54471170 PAW double counting = 4350.96205560 -4343.24530356 entropy T*S EENTRO = -0.05641793 eigenvalues EBANDS = -604.96369378 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -104.58647347 eV energy without entropy = -104.53005554 energy(sigma->0) = -104.56766749 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 19) ---------------------------------------