abinit/tests/v2/Input/t04.abi

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#test silicon linear chain.
#Warning : no mass is input, so do not test frequencies, but 2DTE
ndtset 3
#Ground state
nqpt1 0
#NSCF calculation with shift, q(0 0 1/2)
nqpt2 1 iscf2 -2 qpt2 0.0 0.0 0.5
getden2 1 getwfk2 1
#Phonon calculation at q(0 0 1/2), displacement of atom 1 in direction x
nqpt3 1 qpt3 0.0 0.0 0.5
getwfk3 1 getwfq3 2
prtvol3 10
rfphon3 1
rfatpol3 1 1
rfdir3 0 0 1
diemix3 0.65
diemac3 1.0
tolwfr3 1.0d-15
#Compatibility
asr 0 # The default value 1 is preferable, this is only to keep backward compatibility for the automatic tests
chneut 0 # The default value 1 is preferable, this is only to keep backward compatibility for the automatic tests
#Common data
acell 3*10.00
amu 1.0d0
diemac 1.5
ecut 1.20
ixc 3
kptopt 0
kpt
0.00000 0.00000 -0.37500
0.00000 0.00000 -0.12500
0.00000 0.00000 0.12500
0.00000 0.00000 0.37500
natom 2 nband 4
ngfft 3*16 nkpt 4
nstep 30
nsym 1 ntypat 1
occopt 1
prtden 1
rprim 1.0 0.0 0.0
0.0 1.0 0.0
0.0 0.0 1.0
symrel 1 0 0 0 1 0 0 0 1
xred 0.0 0.0 -0.15
0.0 0.0 0.15
tnons 3*0.0
typat 1 1
tolwfr 1.e-22
wtk 4*0.25
znucl 14
pp_dirpath "$ABI_PSPDIR"
pseudos "14si.Hamann_mod"
#%%<BEGIN TEST_INFO>
#%% [setup]
#%% executable = abinit
#%% [files]
#%% files_to_test =
#%% t04.abo, tolnlines = 4, tolabs = 1.1e-9, tolrel = 4.0e-01
#%% [paral_info]
#%% max_nprocs = 4
#%% [extra_info]
#%% authors = Unknown
#%% keywords = NC, DFPT
#%% description =
#%% Linear chain of Si2 molecules (2 atoms per unit cell),
#%% using a separable pseudopotential, with ixc=3.
#%% Computation of the second derivative of the total energy
#%% with respect to a atomic displacement perpendicular to
#%% the chain, with q(0 0 1/2) wavevector.
#%% (see test.si.chain of RESPFN)
#%%<END TEST_INFO>