quantum-espresso/tests/lattice-ibrav11.ref

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Program PWSCF v.3.2cvs starts ...
Today is 4Sep2007 at 22: 2:56
Ultrasoft (Vanderbilt) Pseudopotentials
Current dimensions of program pwscf are:
ntypx = 10 npk = 40000 lmax = 3
nchix = 6 ndmx = 2500 nbrx = 14 nqfx = 8
gamma-point specific algorithms are used
bravais-lattice index = 11
lattice parameter (a_0) = 10.0000 a.u.
unit-cell volume = 1500.0000 (a.u.)^3
number of atoms/cell = 2
number of atomic types = 1
number of electrons = 2.00
number of Kohn-Sham states= 1
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 PZ NOGX NOGC (1100)
celldm(1)= 10.000000 celldm(2)= 1.500000 celldm(3)= 2.000000
celldm(4)= 0.000000 celldm(5)= 0.000000 celldm(6)= 0.000000
crystal axes: (cart. coord. in units of a_0)
a(1) = ( 0.500000 0.750000 1.000000 )
a(2) = ( -0.500000 0.750000 1.000000 )
a(3) = ( -0.500000 -0.750000 1.000000 )
reciprocal axes: (cart. coord. in units 2 pi/a_0)
b(1) = ( 1.000000 0.000000 0.500000 )
b(2) = ( -1.000000 0.666667 0.000000 )
b(3) = ( 0.000000 -0.666667 0.500000 )
PseudoPot. # 1 for H read from file H.vbc.UPF
Pseudo is Norm-conserving, Zval = 1.0
Using radial grid of 131 points, 0 beta functions with:
atomic species valence mass pseudopotential
H 1.00 1.00080 H ( 1.00)
8 Sym.Ops. (with inversion)
Cartesian axes
site n. atom positions (a_0 units)
1 H tau( 1) = ( 0.0000000 0.0000000 -0.0661404 )
2 H tau( 2) = ( 0.0000000 0.0000000 0.0661404 )
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 = 253.3030 ( 12660 G-vectors) FFT grid: ( 45, 45, 45)
Largest allocated arrays est. size (Mb) dimensions
Kohn-Sham Wavefunctions 0.02 Mb ( 1576, 1)
NL pseudopotentials 0.00 Mb ( 1576, 0)
Each V/rho on FFT grid 1.39 Mb ( 91125)
Each G-vector array 0.10 Mb ( 12660)
G-vector shells 0.01 Mb ( 1383)
Largest temporary arrays est. size (Mb) dimensions
Auxiliary wavefunctions 0.05 Mb ( 1576, 4)
Each subspace H/S matrix 0.00 Mb ( 4, 4)
Each <psi_i|beta_j> matrix 0.00 Mb ( 0, 1)
Arrays for rho mixing 11.12 Mb ( 91125, 8)
Initial potential from superposition of free atoms
Check: negative starting charge= -0.001236
starting charge 1.99995, renormalised to 2.00000
negative rho (up, down): 0.124E-02 0.000E+00
Starting wfc are 2 atomic wfcs
total cpu time spent up to now is 0.18 secs
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): 0.316E-03 0.000E+00
total cpu time spent up to now is 0.32 secs
total energy = -2.22037298 Ry
Harris-Foulkes estimate = -2.28999760 Ry
estimated scf accuracy < 0.13225718 Ry
iteration # 2 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 6.61E-03, avg # of iterations = 1.0
negative rho (up, down): 0.458E-04 0.000E+00
total cpu time spent up to now is 0.46 secs
total energy = -2.23152452 Ry
Harris-Foulkes estimate = -2.23193352 Ry
estimated scf accuracy < 0.00093286 Ry
iteration # 3 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 4.66E-05, avg # of iterations = 2.0
negative rho (up, down): 0.235E-05 0.000E+00
total cpu time spent up to now is 0.61 secs
total energy = -2.23189137 Ry
Harris-Foulkes estimate = -2.23189088 Ry
estimated scf accuracy < 0.00001556 Ry
iteration # 4 ecut= 25.00 Ry beta=0.70
Davidson diagonalization with overlap
ethr = 7.78E-07, avg # of iterations = 1.0
total cpu time spent up to now is 0.71 secs
End of self-consistent calculation
k = 0.0000 0.0000 0.0000 ( 1576 PWs) bands (ev):
-10.2542
! total energy = -2.23189312 Ry
Harris-Foulkes estimate = -2.23189277 Ry
estimated scf accuracy < 0.00000044 Ry
The total energy is the sum of the following terms:
one-electron contribution = -3.10905378 Ry
hartree contribution = 1.65705693 Ry
xc contribution = -1.31114622 Ry
ewald contribution = 0.53124995 Ry
convergence has been achieved in 4 iterations
Writing output data file pwscf.save
PWSCF : 0.75s CPU time, 0.83s wall time
init_run : 0.17s CPU
electrons : 0.54s CPU
electrons : 0.54s CPU
c_bands : 0.12s CPU ( 4 calls, 0.031 s avg)
sum_band : 0.08s CPU ( 4 calls, 0.020 s avg)
v_of_rho : 0.23s CPU ( 5 calls, 0.045 s avg)
v_h : 0.06s CPU ( 5 calls, 0.011 s avg)
v_xc : 0.17s CPU ( 5 calls, 0.034 s avg)
mix_rho : 0.01s CPU ( 4 calls, 0.001 s avg)
c_bands : 0.12s CPU ( 4 calls, 0.031 s avg)
cegterg : 0.12s CPU ( 4 calls, 0.031 s avg)
sum_band : 0.08s CPU ( 4 calls, 0.020 s avg)
cegterg : 0.12s CPU ( 4 calls, 0.031 s avg)
h_psi : 0.13s CPU ( 11 calls, 0.012 s avg)
g_psi : 0.00s CPU ( 6 calls, 0.000 s avg)
diaghg : 0.00s CPU ( 10 calls, 0.000 s avg)
update : 0.00s CPU ( 6 calls, 0.000 s avg)
last : 0.00s CPU ( 4 calls, 0.000 s avg)
h_psi : 0.13s CPU ( 11 calls, 0.012 s avg)
init : 0.00s CPU ( 11 calls, 0.000 s avg)
General routines
cft3 : 0.14s CPU ( 15 calls, 0.009 s avg)
cft3s : 0.14s CPU ( 26 calls, 0.005 s avg)
davcio : 0.00s CPU ( 4 calls, 0.000 s avg)