abinit/tests/v7/Input/t97.abi

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# -----------------------------------------------------------------
# FCC Argon - Test of Van der Waals (DFT-D3) dispersion potential
# Test on the relaxation of unit cell + 3-body term potential
# -----------------------------------------------------------------
ecutsm 0.5
dilatmx 1.05
ecut 34
toldfe 1.0d-6
nstep 20
acell 3*12
rprim 0 0.5 0.5
0.5 0 0.5
0.5 0.5 0
nband 5
ntypat 1
znucl 18
natom 1
typat 1*1
xred
0 0.0 0.0
ngkpt 3*2
nshiftk 4
shiftk 0.5 0.0 0.0
0.0 0.5 0.0
0.0 0.0 0.5
0.5 0.5 0.5
diemac 4.0
ixc 11
# Activation of vdW DFT-D3
vdw_xc 6
vdw_tol 1d-10 # Tolerance on the pair-wise term
vdw_tol_3bt 1d-10 # Tolerance on the 3-body term
optcell 1
ionmov 3
ntime 5
tolmxf 1d-4
prtden 0
prtwf 0
prteig 0
pp_dirpath "$ABI_PSPDIR"
pseudos "18ar.revpbe"
#%%<BEGIN TEST_INFO>
#%% [setup]
#%% executable = abinit
#%% [files]
#%% files_to_test =
#%% t97.abo, tolnlines = 9, tolabs = 5.0e-04, tolrel = 5.0e-04, fld_options = -easy
#%% [paral_info]
#%% max_nprocs = 2
#%% [extra_info]
#%% authors = B. VAN TROEYE
#%% keywords = RELAXATION, VDW, DFT-D3, 3-BODY_TERM
#%% description =
#%% Relaxation of FCC Argon crystal with DFT-D3 dispersion correction
#%% Both the pair-wise term and the 3-body term are included
#%% In this test the following properties are thus tested: contribution
#%% to the energy and to the stress of DFT-D3 including the 3-body term
#%% topics = vdw
#%%<END TEST_INFO>