quantum-espresso/GWW/examples/example01/reference/methane_scf.out

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Program PWSCF v.4.3.2 starts on 16Sep2011 at 15:23:11
This program is part of the open-source Quantum ESPRESSO suite
for quantum simulation of materials; please cite
"P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
URL http://www.quantum-espresso.org",
in publications or presentations arising from this work. More details at
http://www.quantum-espresso.org/quote.php
Parallel version (MPI), running on 2 processors
R & G space division: proc/pool = 2
EXPERIMENTAL VERSION WITH EXACT EXCHANGE
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
Waiting for input...
Reading input from stdin
file H.pz-vbc.UPF: wavefunction(s) 1S renormalized
gamma-point specific algorithms are used
Subspace diagonalization in iterative solution of the eigenvalue problem:
a serial algorithm will be used
ATT1.1.1
ATT1.1.2
ATT1.1.3
ATT1.1.4
ATT1.1.5
ATT1.1.6
Parallelization info
--------------------
sticks: dense smooth PW G-vecs: dense smooth PW
Min 1434 1434 357 57654 57654 7179
Max 1435 1435 360 57659 57659 7184
Sum 2869 2869 717 115313 115313 14363
Tot 1435 1435 359
bravais-lattice index = 1
lattice parameter (alat) = 15.0000 a.u.
unit-cell volume = 3375.0000 (a.u.)^3
number of atoms/cell = 5
number of atomic types = 2
number of electrons = 8.00
number of Kohn-Sham states= 5
kinetic-energy cutoff = 40.0000 Ry
charge density cutoff = 160.0000 Ry
convergence threshold = 1.0E-08
mixing beta = 0.5000
number of iterations used = 8 plain mixing
Exchange-correlation = SLA PZ NOGX NOGC ( 1 1 0 0 0)
EXX-fraction = 0.00
celldm(1)= 15.000000 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 alat)
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/alat)
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 H read from file:
./H.pz-vbc.UPF
MD5 check sum: 90becb985b714f09656c73597998d266
Pseudo is Norm-conserving, Zval = 1.0
Generated by new atomic code, or converted to UPF format
Using radial grid of 131 points, 0 beta functions with:
PseudoPot. # 2 for C read from file:
./C.pz-vbc.UPF
MD5 check sum: ab53dd623bfeb79c5a7b057bc96eae20
Pseudo is Norm-conserving, Zval = 4.0
Generated by new atomic code, or converted to UPF format
Using radial grid of 269 points, 1 beta functions with:
l(1) = 0
atomic species valence mass pseudopotential
H 1.00 1.00000 H ( 1.00)
C 4.00 12.00000 C ( 1.00)
24 Sym. Ops. (no inversion) found
Cartesian axes
site n. atom positions (alat units)
1 H tau( 1) = ( 0.0798803 0.0798803 0.0798803 )
2 H tau( 2) = ( -0.0798803 -0.0798803 0.0798803 )
3 H tau( 3) = ( 0.0798803 -0.0798803 -0.0798803 )
4 H tau( 4) = ( -0.0798803 0.0798803 -0.0798803 )
5 C tau( 5) = ( 0.0000000 0.0000000 0.0000000 )
number of k points= 1
cart. coord. in units 2pi/alat
k( 1) = ( 0.0000000 0.0000000 0.0000000), wk = 2.0000000
Dense grid: 57657 G-vectors FFT dimensions: ( 64, 64, 64)
Largest allocated arrays est. size (Mb) dimensions
Kohn-Sham Wavefunctions 0.27 Mb ( 3590, 5)
NL pseudopotentials 0.05 Mb ( 3590, 1)
Each V/rho on FFT grid 2.00 Mb ( 131072)
Each G-vector array 0.22 Mb ( 28830)
G-vector shells 0.01 Mb ( 761)
Largest temporary arrays est. size (Mb) dimensions
Each subspace H/S matrix 0.00 Mb ( 5, 5)
Each <psi_i|beta_j> matrix 0.00 Mb ( 1, 5)
Arrays for rho mixing 16.00 Mb ( 131072, 8)
Initial potential from superposition of free atoms
Check: negative starting charge= -0.002917
starting charge 7.99987, renormalised to 8.00000
negative rho (up, down): 0.292E-02 0.000E+00
Starting wfc are 8 atomic wfcs
total cpu time spent up to now is 1.6 secs
Self-consistent Calculation
iteration # 1 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 1.00E-02, avg # of iterations = 3.4
negative rho (up, down): 0.144E-02 0.000E+00
Exx not active 0.
total cpu time spent up to now is 2.6 secs
total energy = -15.84940715 Ry
Harris-Foulkes estimate = -16.24267877 Ry
estimated scf accuracy < 0.68541180 Ry
iteration # 2 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 8.57E-03, avg # of iterations = 3.8
negative rho (up, down): 0.683E-03 0.000E+00
Exx not active 0.
total cpu time spent up to now is 3.3 secs
total energy = -15.96822268 Ry
Harris-Foulkes estimate = -15.98278294 Ry
estimated scf accuracy < 0.03868161 Ry
iteration # 3 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 4.84E-04, avg # of iterations = 3.4
negative rho (up, down): 0.457E-06 0.000E+00
Exx not active 0.
total cpu time spent up to now is 4.0 secs
total energy = -15.96619760 Ry
Harris-Foulkes estimate = -15.97039274 Ry
estimated scf accuracy < 0.00879322 Ry
iteration # 4 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 1.10E-04, avg # of iterations = 3.8
negative rho (up, down): 0.464E-04 0.000E+00
Exx not active 0.
total cpu time spent up to now is 4.9 secs
total energy = -15.96709290 Ry
Harris-Foulkes estimate = -15.96884460 Ry
estimated scf accuracy < 0.00317099 Ry
iteration # 5 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 3.96E-05, avg # of iterations = 3.8
negative rho (up, down): 0.307E-05 0.000E+00
Exx not active 0.
total cpu time spent up to now is 5.7 secs
total energy = -15.96776612 Ry
Harris-Foulkes estimate = -15.96780177 Ry
estimated scf accuracy < 0.00009060 Ry
iteration # 6 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 1.13E-06, avg # of iterations = 3.8
negative rho (up, down): 0.474E-07 0.000E+00
Exx not active 0.
total cpu time spent up to now is 6.5 secs
total energy = -15.96778245 Ry
Harris-Foulkes estimate = -15.96778334 Ry
estimated scf accuracy < 0.00000447 Ry
iteration # 7 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 5.59E-08, avg # of iterations = 3.8
Exx not active 0.
total cpu time spent up to now is 7.2 secs
total energy = -15.96778321 Ry
Harris-Foulkes estimate = -15.96778334 Ry
estimated scf accuracy < 0.00000037 Ry
iteration # 8 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 4.62E-09, avg # of iterations = 3.6
Exx not active 0.
total cpu time spent up to now is 8.0 secs
total energy = -15.96778326 Ry
Harris-Foulkes estimate = -15.96778326 Ry
estimated scf accuracy < 0.00000002 Ry
iteration # 9 ecut= 40.00 Ry beta=0.50
CG style diagonalization
ethr = 2.70E-10, avg # of iterations = 3.6
Exx not active 0.
total cpu time spent up to now is 8.6 secs
End of self-consistent calculation
k = 0.0000 0.0000 0.0000 ( 7182 PWs) bands (ev):
-16.6118 -9.1110 -9.1110 -9.1110 -0.5651
highest occupied, lowest unoccupied level (ev): -9.1110 -0.5651
! total energy = -15.96778326 Ry
Harris-Foulkes estimate = -15.96778326 Ry
estimated scf accuracy < 4.6E-09 Ry
The total energy is the sum of the following terms:
one-electron contribution = -35.26101750 Ry
hartree contribution = 18.41287416 Ry
xc contribution = -6.14149282 Ry
ewald contribution = 7.02185290 Ry
- averaged Fock potential = -0.00000000 Ry
+ Fock energy = 0.00000000 Ry
DEXX 0. 1.E-8
convergence has been achieved in 9 iterations
Forces acting on atoms (Ry/au):
atom 1 type 1 force = 0.00003368 0.00003368 0.00003368
atom 2 type 1 force = -0.00003368 -0.00003368 0.00003368
atom 3 type 1 force = 0.00003368 -0.00003368 -0.00003368
atom 4 type 1 force = -0.00003368 0.00003368 -0.00003368
atom 5 type 2 force = 0.00000000 0.00000000 0.00000000
Total force = 0.000117 Total SCF correction = 0.000038
SCF correction compared to forces is large: reduce conv_thr to get better values
Writing output data file ch4.save
init_run : 0.41s CPU 1.10s WALL ( 1 calls)
electrons : 6.04s CPU 6.99s WALL ( 1 calls)
forces : 0.17s CPU 0.18s WALL ( 1 calls)
Called by init_run:
wfcinit : 0.11s CPU 0.76s WALL ( 1 calls)
potinit : 0.14s CPU 0.15s WALL ( 1 calls)
Called by electrons:
c_bands : 4.06s CPU 4.46s WALL ( 9 calls)
sum_band : 0.89s CPU 1.02s WALL ( 9 calls)
v_of_rho : 0.56s CPU 0.60s WALL ( 10 calls)
mix_rho : 0.36s CPU 0.39s WALL ( 9 calls)
Called by c_bands:
init_us_2 : 0.03s CPU 0.04s WALL ( 19 calls)
rcgdiagg : 3.41s CPU 3.68s WALL ( 9 calls)
wfcrot : 0.74s CPU 1.51s WALL ( 9 calls)
Called by *cgdiagg:
h_psi : 4.03s CPU 4.60s WALL ( 134 calls)
rdiaghg : 0.00s CPU 0.46s WALL ( 9 calls)
Called by h_psi:
add_vuspsi : 0.01s CPU 0.01s WALL ( 134 calls)
General routines
calbec : 0.03s CPU 0.20s WALL ( 263 calls)
fft : 0.87s CPU 0.92s WALL ( 41 calls)
fftw : 3.72s CPU 4.21s WALL ( 333 calls)
davcio : 0.01s CPU 0.02s WALL ( 9 calls)
Parallel routines
fft_scatter : 1.03s CPU 1.21s WALL ( 374 calls)
EXX routines
PWSCF : 6.70s CPU 9.02s WALL
This run was terminated on: 15:23:20 16Sep2011
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JOB DONE.
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