quantum-espresso/tests/uspp1-coulomb.ref

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Program PWSCF v.4.1CVS starts ...
Today is 21Nov2008 at 17:11:45
For Norm-Conserving or Ultrasoft (Vanderbilt) Pseudopotentials or PAW
Current dimensions of program pwscf are:
Max number of different atomic species (ntypx) = 10
Max number of k-points (npk) = 40000
Max angular momentum in pseudopotentials (lmaxx) = 3
============================================================
| pseudopotential report for atomic species: 1 |
| pseudo potential version 7 3 2 |
------------------------------------------------------------
| oxygen PBE exchange-corr |
| z = 8. zv( 1) = 6. exfact = 5.00000 |
| ifpcor = 0 atomic energy = -31.58351 Ry |
| index orbital occupation energy |
| 1 200 2.00 -1.76 |
| 2 210 4.00 -0.66 |
| rinner = 0.7000 0.7000 0.7000 |
| new generation scheme: |
| nbeta = 4 kkbeta = 519 rcloc = 1.0000 |
| ibeta l epsilon rcut |
| 1 0 -1.76 1.20 |
| 2 0 -0.66 1.20 |
| 3 1 -1.76 1.20 |
| 4 1 -0.66 1.20 |
============================================================
gamma-point specific algorithms are used
bravais-lattice index = 1
lattice parameter (a_0) = 20.0000 a.u.
unit-cell volume = 8000.0000 (a.u.)^3
number of atoms/cell = 3
number of atomic types = 2
number of electrons = 8.00
number of Kohn-Sham states= 4
kinetic-energy cutoff = 25.0000 Ry
charge density cutoff = 100.0000 Ry
convergence threshold = 1.0E-06
mixing beta = 0.7000
number of iterations used = 8 plain mixing
Exchange-correlation = SLA PW PBX PBC (1434)
celldm(1)= 20.000000 celldm(2)= 0.000000 celldm(3)= 0.000000
celldm(4)= 0.000000 celldm(5)= 0.000000 celldm(6)= 0.000000
crystal axes: (cart. coord. in units of a_0)
a(1) = ( 1.000000 0.000000 0.000000 )
a(2) = ( 0.000000 1.000000 0.000000 )
a(3) = ( 0.000000 0.000000 1.000000 )
reciprocal axes: (cart. coord. in units 2 pi/a_0)
b(1) = ( 1.000000 0.000000 0.000000 )
b(2) = ( 0.000000 1.000000 0.000000 )
b(3) = ( 0.000000 0.000000 1.000000 )
PseudoPot. # 1 for ox read from file O_US.van
Pseudo is Ultrasoft, Zval = 6.0
Generated by Vanderbilt code, v. 7.3.2
Using radial grid of 737 points, 4 beta functions with:
l(1) = 0
l(2) = 0
l(3) = 1
l(4) = 1
Q(r) pseudized with 8 coefficients, rinner = 0.700 0.700 0.700
PseudoPot. # 2 for H read from file H_coul.UPF
Pseudo is Norm-conserving, Zval = 1.0
Generated by new atomic code, or converted to UPF format
Using radial grid of 1451 points, 0 beta functions with:
atomic species valence mass pseudopotential
O 6.00 16.00000 ox( 1.00)
H 1.00 2.00000 H ( 1.00)
4 Sym.Ops. (no inversion)
Cartesian axes
site n. atom positions (a_0 units)
1 O tau( 1) = ( 0.5000000 0.5000000 0.5000000 )
2 H tau( 2) = ( 0.5866250 0.4837850 0.5000000 )
3 H tau( 3) = ( 0.4837850 0.5866250 0.5000000 )
number of k points= 1
cart. coord. in units 2pi/a_0
k( 1) = ( 0.0000000 0.0000000 0.0000000), wk = 2.0000000
G cutoff = 1013.2118 ( 67522 G-vectors) FFT grid: ( 64, 64, 64)
Largest allocated arrays est. size (Mb) dimensions
Kohn-Sham Wavefunctions 0.52 Mb ( 8440, 4)
NL pseudopotentials 1.03 Mb ( 8440, 8)
Each V/rho on FFT grid 4.00 Mb ( 262144)
Each G-vector array 0.52 Mb ( 67522)
G-vector shells 0.01 Mb ( 847)
Largest temporary arrays est. size (Mb) dimensions
Auxiliary wavefunctions 1.03 Mb ( 8440, 16)
Each subspace H/S matrix 0.00 Mb ( 16, 16)
Each <psi_i|beta_j> matrix 0.00 Mb ( 8, 4)
Arrays for rho mixing 32.00 Mb ( 262144, 8)
Initial potential from superposition of free atoms
Check: negative starting charge= -0.065614
starting charge 7.99998, renormalised to 8.00000
negative rho (up, down): 0.656E-01 0.000E+00
Starting wfc are 4 atomic wfcs
total cpu time spent up to now is 0.83 secs
per-process dynamical memory: 35.2 Mb
Self-consistent Calculation
iteration # 1 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.00E-02, avg # of iterations = 2.0
negative rho (up, down): 0.597E-01 0.000E+00
total cpu time spent up to now is 1.37 secs
total energy = -34.12562680 Ry
Harris-Foulkes estimate = -34.52269703 Ry
estimated scf accuracy < 0.54107496 Ry
iteration # 2 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 6.76E-03, avg # of iterations = 3.0
negative rho (up, down): 0.516E-01 0.000E+00
total cpu time spent up to now is 1.93 secs
total energy = -34.23446708 Ry
Harris-Foulkes estimate = -34.51972218 Ry
estimated scf accuracy < 0.60604497 Ry
iteration # 3 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 6.76E-03, avg # of iterations = 2.0
negative rho (up, down): 0.623E-01 0.000E+00
total cpu time spent up to now is 2.46 secs
total energy = -34.35963349 Ry
Harris-Foulkes estimate = -34.36274669 Ry
estimated scf accuracy < 0.00672083 Ry
iteration # 4 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 8.40E-05, avg # of iterations = 2.0
negative rho (up, down): 0.601E-01 0.000E+00
total cpu time spent up to now is 3.00 secs
total energy = -34.36202476 Ry
Harris-Foulkes estimate = -34.36244706 Ry
estimated scf accuracy < 0.00118168 Ry
iteration # 5 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.48E-05, avg # of iterations = 1.0
negative rho (up, down): 0.600E-01 0.000E+00
total cpu time spent up to now is 3.52 secs
total energy = -34.36203754 Ry
Harris-Foulkes estimate = -34.36208274 Ry
estimated scf accuracy < 0.00013281 Ry
iteration # 6 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.66E-06, avg # of iterations = 2.0
negative rho (up, down): 0.602E-01 0.000E+00
total cpu time spent up to now is 4.05 secs
total energy = -34.36205211 Ry
Harris-Foulkes estimate = -34.36205254 Ry
estimated scf accuracy < 0.00000245 Ry
iteration # 7 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 3.07E-08, avg # of iterations = 2.0
negative rho (up, down): 0.602E-01 0.000E+00
total cpu time spent up to now is 4.59 secs
total energy = -34.36205219 Ry
Harris-Foulkes estimate = -34.36205269 Ry
estimated scf accuracy < 0.00000131 Ry
iteration # 8 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 1.63E-08, avg # of iterations = 2.0
negative rho (up, down): 0.602E-01 0.000E+00
total cpu time spent up to now is 5.07 secs
End of self-consistent calculation
k = 0.0000 0.0000 0.0000 ( 8440 PWs) bands (ev):
-25.4685 -13.4961 -8.8320 -7.1753
! total energy = -34.36205231 Ry
Harris-Foulkes estimate = -34.36205228 Ry
estimated scf accuracy < 0.00000003 Ry
The total energy is the sum of the following terms:
one-electron contribution = -65.19418565 Ry
hartree contribution = 34.05224206 Ry
xc contribution = -8.46875821 Ry
ewald contribution = 5.24864950 Ry
convergence has been achieved in 8 iterations
Forces acting on atoms (Ry/au):
atom 1 type 1 force = -0.09645330 -0.09645330 0.00000000
atom 2 type 2 force = 0.10485731 -0.00840401 0.00000000
atom 3 type 2 force = -0.00840401 0.10485731 0.00000000
Total force = 0.201836 Total SCF correction = 0.000101
entering subroutine stress ...
total stress (Ry/bohr**3) (kbar) P= -0.34
0.00000521 -0.00000620 0.00000000 0.77 -0.91 0.00
-0.00000620 0.00000521 0.00000000 -0.91 0.77 0.00
0.00000000 0.00000000 -0.00001727 0.00 0.00 -2.54
Writing output data file pwscf.save
PWSCF : 6.05s CPU time, 6.35s wall time
init_run : 0.78s CPU
electrons : 4.24s CPU
forces : 0.19s CPU
stress : 0.70s CPU
Called by init_run:
wfcinit : 0.03s CPU
potinit : 0.27s CPU
Called by electrons:
c_bands : 0.60s CPU ( 8 calls, 0.075 s avg)
sum_band : 0.82s CPU ( 8 calls, 0.102 s avg)
v_of_rho : 2.07s CPU ( 9 calls, 0.230 s avg)
newd : 0.62s CPU ( 9 calls, 0.069 s avg)
mix_rho : 0.22s CPU ( 8 calls, 0.028 s avg)
Called by c_bands:
init_us_2 : 0.05s CPU ( 17 calls, 0.003 s avg)
regterg : 0.56s CPU ( 8 calls, 0.070 s avg)
Called by *egterg:
h_psi : 0.50s CPU ( 25 calls, 0.020 s avg)
s_psi : 0.01s CPU ( 25 calls, 0.001 s avg)
g_psi : 0.02s CPU ( 16 calls, 0.001 s avg)
rdiaghg : 0.00s CPU ( 24 calls, 0.000 s avg)
Called by h_psi:
add_vuspsi : 0.01s CPU ( 25 calls, 0.000 s avg)
General routines
calbec : 0.02s CPU ( 38 calls, 0.001 s avg)
cft3 : 0.61s CPU ( 116 calls, 0.005 s avg)
cft3s : 0.40s CPU ( 110 calls, 0.004 s avg)
davcio : 0.00s CPU ( 8 calls, 0.000 s avg)