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 0.610 0.654 0.460- 4 1.65 3 1.66 2 1.67 2 0.625 0.662 0.295- 17 1.43 1 1.67 3 0.696 0.784 0.518- 18 1.44 1 1.66 4 0.454 0.665 0.514- 19 1.44 1 1.65 5 0.595 0.365 0.473- 20 1.03 6 0.557 0.633 0.104- 17 1.10 7 0.438 0.586 0.231- 17 1.10 8 0.581 0.482 0.196- 17 1.10 9 0.847 0.920 0.504- 18 1.11 10 0.836 0.810 0.361- 18 1.11 11 0.902 0.749 0.520- 18 1.11 12 0.426 0.842 0.624- 19 1.10 13 0.278 0.761 0.562- 19 1.10 14 0.385 0.854 0.449- 19 1.11 15 0.441 0.334 0.511- 20 1.02 16 0.554 0.216 0.526- 20 1.03 17 0.545 0.586 0.203- 6 1.10 8 1.10 7 1.10 2 1.43 18 0.828 0.816 0.472- 9 1.11 11 1.11 10 1.11 3 1.44 19 0.383 0.788 0.539- 13 1.10 12 1.10 14 1.11 4 1.44 20 0.522 0.293 0.466- 15 1.02 16 1.03 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) 0.609553750 0.654135020 0.460301730 0.624543620 0.661790870 0.294516410 0.695698320 0.784052210 0.518468050 0.453667810 0.665463420 0.513981160 0.594759980 0.364930300 0.472977380 0.556681380 0.633348050 0.104216750 0.438396090 0.585558110 0.230815660 0.581370420 0.481775690 0.196294070 0.847457620 0.920396530 0.504442970 0.836246040 0.809999940 0.361096680 0.901561870 0.749072820 0.520350120 0.426471570 0.841939370 0.624201230 0.278113350 0.761362190 0.561620670 0.384992180 0.853511990 0.449411600 0.440791130 0.334164680 0.511356610 0.554053000 0.216346620 0.525857710 0.545171960 0.585629380 0.202506360 0.828234250 0.816447170 0.471625680 0.382611260 0.787926370 0.538539800 0.521923570 0.292798060 0.465517790 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) 0.60955375 0.65413502 0.46030173 0.62454362 0.66179087 0.29451641 0.69569832 0.78405221 0.51846805 0.45366781 0.66546342 0.51398116 0.59475998 0.36493030 0.47297738 0.55668138 0.63334805 0.10421675 0.43839609 0.58555811 0.23081566 0.58137042 0.48177569 0.19629407 0.84745762 0.92039653 0.50444297 0.83624604 0.80999994 0.36109668 0.90156187 0.74907282 0.52035012 0.42647157 0.84193937 0.62420123 0.27811335 0.76136219 0.56162067 0.38499218 0.85351199 0.44941160 0.44079113 0.33416468 0.51135661 0.55405300 0.21634662 0.52585771 0.54517196 0.58562938 0.20250636 0.82823425 0.81644717 0.47162568 0.38261126 0.78792637 0.53853980 0.52192357 0.29279806 0.46551779 position of ions in cartesian coordinates (Angst): 6.09553750 6.54135020 4.60301730 6.24543620 6.61790870 2.94516410 6.95698320 7.84052210 5.18468050 4.53667810 6.65463420 5.13981160 5.94759980 3.64930300 4.72977380 5.56681380 6.33348050 1.04216750 4.38396090 5.85558110 2.30815660 5.81370420 4.81775690 1.96294070 8.47457620 9.20396530 5.04442970 8.36246040 8.09999940 3.61096680 9.01561870 7.49072820 5.20350120 4.26471570 8.41939370 6.24201230 2.78113350 7.61362190 5.61620670 3.84992180 8.53511990 4.49411600 4.40791130 3.34164680 5.11356610 5.54053000 2.16346620 5.25857710 5.45171960 5.85629380 2.02506360 8.28234250 8.16447170 4.71625680 3.82611260 7.87926370 5.38539800 5.21923570 2.92798060 4.65517790 -------------------------------------------------------------------------------------------------------- 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 105033. kBytes ======================================================================= base : 30000. kBytes nonlr-proj: 2083. 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 2271 Maximum index for augmentation-charges 1350 (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) : 0.3755176E+03 (-0.1497731E+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 = 1251.06252220 -Hartree energ DENC = -2987.66228936 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.29302726 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = 0.00415819 eigenvalues EBANDS = -322.53151002 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = 375.51764245 eV energy without entropy = 375.51348426 energy(sigma->0) = 375.51625639 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 2) --------------------------------------- eigenvalue-minimisations : 891 total energy-change (2. order) :-0.3889957E+03 (-0.3739610E+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 = 1251.06252220 -Hartree energ DENC = -2987.66228936 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.29302726 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.00070686 eigenvalues EBANDS = -711.52232184 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -13.47803441 eV energy without entropy = -13.47732756 energy(sigma->0) = -13.47779879 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 3) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) :-0.9912830E+02 (-0.9868085E+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 = 1251.06252220 -Hartree energ DENC = -2987.66228936 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.29302726 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05150535 eigenvalues EBANDS = -810.59982147 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -112.60633253 eV energy without entropy = -112.55482719 energy(sigma->0) = -112.58916408 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 4) --------------------------------------- eigenvalue-minimisations : 738 total energy-change (2. order) :-0.4651724E+01 (-0.4637098E+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 = 1251.06252220 -Hartree energ DENC = -2987.66228936 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.29302726 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05637487 eigenvalues EBANDS = -815.24667553 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -117.25805612 eV energy without entropy = -117.20168125 energy(sigma->0) = -117.23926450 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 5) --------------------------------------- eigenvalue-minimisations : 837 total energy-change (2. order) :-0.1169485E+00 (-0.1168736E+00) number of electron 50.9999864 magnetization augmentation part 2.9914623 magnetization Broyden mixing: rms(total) = 0.20090E+01 rms(broyden)= 0.20068E+01 rms(prec ) = 0.26175E+01 weight for this iteration 100.00 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -2987.66228936 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 160.29302726 PAW double counting = 1683.87943027 -1674.68789537 entropy T*S EENTRO = -0.05641539 eigenvalues EBANDS = -815.36358351 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -117.37500462 eV energy without entropy = -117.31858923 energy(sigma->0) = -117.35619949 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 6) --------------------------------------- eigenvalue-minimisations : 693 total energy-change (2. order) : 0.1008430E+02 (-0.3080858E+01) number of electron 50.9999882 magnetization augmentation part 2.5272699 magnetization Broyden mixing: rms(total) = 0.98303E+00 rms(broyden)= 0.98267E+00 rms(prec ) = 0.11622E+01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.1928 1.1928 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3101.00233038 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 166.73393560 PAW double counting = 2583.19759444 -2575.32691756 entropy T*S EENTRO = -0.05640279 eigenvalues EBANDS = -697.05930456 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -107.29070377 eV energy without entropy = -107.23430098 energy(sigma->0) = -107.27190284 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 7) --------------------------------------- eigenvalue-minimisations : 774 total energy-change (2. order) : 0.1211139E+01 (-0.2262760E+00) number of electron 50.9999883 magnetization augmentation part 2.4873988 magnetization Broyden mixing: rms(total) = 0.49637E+00 rms(broyden)= 0.49631E+00 rms(prec ) = 0.59409E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5408 1.1493 1.9324 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3139.12270934 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 169.10147497 PAW double counting = 3456.63990523 -3448.88683226 entropy T*S EENTRO = -0.05640892 eigenvalues EBANDS = -659.97771603 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -106.07956486 eV energy without entropy = -106.02315594 energy(sigma->0) = -106.06076189 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 8) --------------------------------------- eigenvalue-minimisations : 756 total energy-change (2. order) : 0.4389969E+00 (-0.8265156E-01) number of electron 50.9999881 magnetization augmentation part 2.5113913 magnetization Broyden mixing: rms(total) = 0.10702E+00 rms(broyden)= 0.10697E+00 rms(prec ) = 0.16992E+00 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4926 2.2615 1.1081 1.1081 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3166.06982273 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 170.88945759 PAW double counting = 4167.18380139 -4159.47341692 entropy T*S EENTRO = -0.05640781 eigenvalues EBANDS = -634.33690098 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.64056797 eV energy without entropy = -105.58416016 energy(sigma->0) = -105.62176537 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 9) --------------------------------------- eigenvalue-minimisations : 774 total energy-change (2. order) : 0.5104219E-01 (-0.1055679E-01) number of electron 50.9999882 magnetization augmentation part 2.4914041 magnetization Broyden mixing: rms(total) = 0.48232E-01 rms(broyden)= 0.48198E-01 rms(prec ) = 0.95981E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4971 2.1849 1.7972 1.0033 1.0033 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3177.10786803 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.44254667 PAW double counting = 4283.95754589 -4276.28881763 entropy T*S EENTRO = -0.05640514 eigenvalues EBANDS = -623.75924902 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.58952579 eV energy without entropy = -105.53312065 energy(sigma->0) = -105.57072407 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 10) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) : 0.7452788E-02 (-0.3923539E-02) number of electron 50.9999882 magnetization augmentation part 2.4874819 magnetization Broyden mixing: rms(total) = 0.31087E-01 rms(broyden)= 0.31072E-01 rms(prec ) = 0.66671E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.4068 2.1815 1.5762 0.9935 1.1413 1.1413 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3182.06233581 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.58809621 PAW double counting = 4282.79833177 -4275.11045180 entropy T*S EENTRO = -0.05640417 eigenvalues EBANDS = -618.96203069 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.58207300 eV energy without entropy = -105.52566883 energy(sigma->0) = -105.56327161 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 11) --------------------------------------- eigenvalue-minimisations : 720 total energy-change (2. order) :-0.8192935E-04 (-0.1297145E-02) number of electron 50.9999882 magnetization augmentation part 2.4934925 magnetization Broyden mixing: rms(total) = 0.16642E-01 rms(broyden)= 0.16635E-01 rms(prec ) = 0.48560E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5136 2.3889 2.3889 1.1647 1.1647 0.9872 0.9872 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3184.33005535 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.61129187 PAW double counting = 4270.07064171 -4262.36852168 entropy T*S EENTRO = -0.05640456 eigenvalues EBANDS = -616.73182841 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.58215493 eV energy without entropy = -105.52575037 energy(sigma->0) = -105.56335341 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 12) --------------------------------------- eigenvalue-minimisations : 621 total energy-change (2. order) :-0.1624587E-02 (-0.7688085E-03) number of electron 50.9999882 magnetization augmentation part 2.4926412 magnetization Broyden mixing: rms(total) = 0.12666E-01 rms(broyden)= 0.12663E-01 rms(prec ) = 0.27087E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.5614 3.0901 2.4423 1.2385 1.0066 1.0066 1.0728 1.0728 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3190.17047391 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.73990692 PAW double counting = 4256.64247164 -4248.93375051 entropy T*S EENTRO = -0.05640464 eigenvalues EBANDS = -611.02825051 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.58377952 eV energy without entropy = -105.52737488 energy(sigma->0) = -105.56497797 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 13) --------------------------------------- eigenvalue-minimisations : 648 total energy-change (2. order) :-0.3859579E-02 (-0.4679172E-03) number of electron 50.9999882 magnetization augmentation part 2.4884065 magnetization Broyden mixing: rms(total) = 0.79224E-02 rms(broyden)= 0.79123E-02 rms(prec ) = 0.16620E-01 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.6503 3.7359 2.4400 1.7525 1.0619 1.0619 1.2642 0.9430 0.9430 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3192.62494049 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.77834945 PAW double counting = 4248.15133457 -4240.44462012 entropy T*S EENTRO = -0.05640423 eigenvalues EBANDS = -608.61407976 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.58763910 eV energy without entropy = -105.53123487 energy(sigma->0) = -105.56883769 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 14) --------------------------------------- eigenvalue-minimisations : 648 total energy-change (2. order) :-0.5745489E-02 (-0.1229281E-03) number of electron 50.9999882 magnetization augmentation part 2.4902180 magnetization Broyden mixing: rms(total) = 0.38654E-02 rms(broyden)= 0.38638E-02 rms(prec ) = 0.89603E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.8113 4.9405 2.5978 2.3583 1.0288 1.0288 1.3241 1.1409 0.9413 0.9413 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3193.27164988 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.75892462 PAW double counting = 4248.64253098 -4240.92935545 entropy T*S EENTRO = -0.05640368 eigenvalues EBANDS = -607.96015266 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.59338458 eV energy without entropy = -105.53698090 energy(sigma->0) = -105.57458336 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 15) --------------------------------------- eigenvalue-minimisations : 693 total energy-change (2. order) :-0.3782566E-02 (-0.4283547E-04) number of electron 50.9999882 magnetization augmentation part 2.4896363 magnetization Broyden mixing: rms(total) = 0.21642E-02 rms(broyden)= 0.21637E-02 rms(prec ) = 0.47060E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 1.9374 6.1353 2.8662 2.2083 1.8557 1.0474 1.0474 1.1721 1.1721 0.9350 0.9350 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3193.93909524 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.76338863 PAW double counting = 4251.84664876 -4244.13480561 entropy T*S EENTRO = -0.05640299 eigenvalues EBANDS = -607.29962218 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.59716715 eV energy without entropy = -105.54076416 energy(sigma->0) = -105.57836615 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 16) --------------------------------------- eigenvalue-minimisations : 684 total energy-change (2. order) :-0.2714958E-02 (-0.3312308E-04) number of electron 50.9999882 magnetization augmentation part 2.4892580 magnetization Broyden mixing: rms(total) = 0.18632E-02 rms(broyden)= 0.18627E-02 rms(prec ) = 0.29099E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.0138 6.8459 3.3370 2.3305 2.3305 1.3275 1.0244 1.0244 1.1087 1.0044 0.9092 0.9092 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3193.96975833 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.75587968 PAW double counting = 4251.56009755 -4243.84919958 entropy T*S EENTRO = -0.05640256 eigenvalues EBANDS = -607.26322034 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.59988211 eV energy without entropy = -105.54347955 energy(sigma->0) = -105.58108125 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 17) --------------------------------------- eigenvalue-minimisations : 702 total energy-change (2. order) :-0.9374329E-03 (-0.1223348E-04) number of electron 50.9999882 magnetization augmentation part 2.4896591 magnetization Broyden mixing: rms(total) = 0.69587E-03 rms(broyden)= 0.69523E-03 rms(prec ) = 0.12101E-02 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.0372 7.3609 3.6081 2.3536 2.3195 1.5268 1.0320 1.0320 1.2008 1.2008 0.9664 0.9225 0.9225 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3193.94041624 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.75342394 PAW double counting = 4252.60734565 -4244.89620699 entropy T*S EENTRO = -0.05640247 eigenvalues EBANDS = -607.29128491 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.60081954 eV energy without entropy = -105.54441707 energy(sigma->0) = -105.58201872 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 18) --------------------------------------- eigenvalue-minimisations : 567 total energy-change (2. order) :-0.2874029E-03 (-0.3072291E-05) number of electron 50.9999882 magnetization augmentation part 2.4897151 magnetization Broyden mixing: rms(total) = 0.70320E-03 rms(broyden)= 0.70293E-03 rms(prec ) = 0.98020E-03 weight for this iteration 100.00 eigenvalues of (default mixing * dielectric matrix) average eigenvalue GAMMA= 2.0909 7.6670 4.2756 2.6774 2.3151 1.8490 1.0124 1.0124 1.2606 1.1114 0.9411 0.9411 1.0593 1.0593 Free energy of the ion-electron system (eV) --------------------------------------------------- alpha Z PSCENC = 9.70459894 Ewald energy TEWEN = 1251.06252220 -Hartree energ DENC = -3193.90852638 -exchange EXHF = 0.00000000 -V(xc)+E(xc) XCENC = 171.75244613 PAW double counting = 4252.31095828 -4244.59964352 entropy T*S EENTRO = -0.05640249 eigenvalues EBANDS = -607.32266046 atomic energy EATOM = 2255.45560034 Solvation Ediel_sol = 0.00000000 --------------------------------------------------- free energy TOTEN = -105.60110695 eV energy without entropy = -105.54470446 energy(sigma->0) = -105.58230612 -------------------------------------------------------------------------------------------------------- ----------------------------------------- Iteration 1( 19) ---------------------------------------