# Ni simple cubic, metallic. # The cut-off is irrealistic ndtset 2 #Dataset1 : unperturbed geometry xred1 0.0 0.0 0.0 0.0 0.0 0.5 chkprim1 0 tolvrs1 1.0d-10 #Dataset2 : frozen-phonon getwfk2 1 xred2 0.0 0.0 0.001 0.0 0.0 0.499 tolvrs2 1.0d-14 #Common data acell 2*4.09 8.18 ntypat 1 znucl 28.0 natom 2 typat 1 1 nstep 20 ecut 20.0 nband 14 occopt 7 kptopt 1 ngkpt 4 4 2 shiftk 0.5 0.5 0.5 pp_dirpath "$ABI_PSPDIR" pseudos "PseudosTM_pwteter/28ni.pspnc" #%% #%% [setup] #%% executable = abinit #%% [files] #%% files_to_test = #%% t95.out, tolnlines = 0, tolabs = 0.000e+00, tolrel = 0.000e+00 #%% [paral_info] #%% max_nprocs = 2 #%% [extra_info] #%% keywords = #%% authors = Unknown #%% description = #%% Ni, supercell of simple cubic, corresponding to test 94. #%% The total energy of the double cell is -83.288014304694 Ha, #%% in excellent agreement with the result of test 94. #%% The frozen-phonon (from energies) calculation of the 2DTE for the q(1/2 0 0) #%% case gives 1.903623 Ha . A better finite-difference scheme, using #%% a doubled displacement to cancel the finite-difference error, gives #%% 1.908658 Ha . #%% The frozen-phonon (from forces) calculation of the 2DTE gives #%% 1.8985 Ha. A better finite-difference scheme, using #%% a doubled displacement to cancel the finite-difference error, gives #%% 1.9086 Ha . The agreement is excellent. #%%