mirror of https://github.com/abinit/abinit.git
89 lines
3.3 KiB
Plaintext
89 lines
3.3 KiB
Plaintext
# Crystalline silicon : computation of the total energy using Fock functional,
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# without an auxiliary XC functional for the SCF cycle,
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# and some over relaxation in a simple mixing scheme.
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# Norm-conserving
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nstep 40 # Maximal number of SCF cycles
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fockoptmix 201
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nnsclohf2 4
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ixc2 40 # Calculation with Hartree-Fock functional
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wfmix 1.5 # Apparently, this value is quite optimal in this case.
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iscf 7
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diemac 1.0
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diemix 1.0
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ndtset 2 # Two datasets : 1) LDA 2) HF
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#Definition of the unit cell
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acell 3*10.217 # Data from PRB 48, 5058
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rprim 0.0 0.5 0.5 # In tutorials 1 and 2, these primitive vectors
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0.5 0.0 0.5 # (to be scaled by acell) were 1 0 0 0 1 0 0 0 1
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0.5 0.5 0.0 # that is, the default.
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#Definition of the atom types
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ntypat 1 # There is only one type of atom
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znucl 14 # The keyword "znucl" refers to the atomic number of the
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# possible type(s) of atom. The pseudopotential(s)
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# mentioned in the "files" file must correspond
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# to the type(s) of atom. Here, the only type is Silicon.
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#Definition of the atoms
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natom 2 # There are two atoms
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typat 1 1 # They both are of type 1, that is, Silicon.
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xred # This keyword indicate that the location of the atoms
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# will follow, one triplet of number for each atom
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0.0 0.0 0.0 # Triplet giving the REDUCED coordinate of atom 1.
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1/4 1/4 1/4 # Triplet giving the REDUCED coordinate of atom 2.
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# Note the use of fractions (remember the limited
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# interpreter capabilities of ABINIT)
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#Definition of the planewave basis set
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ecut 6.0 # Maximal kinetic energy cut-off, in Hartree
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#Definition of the k-point grid
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kptopt 1 # Option for the automatic generation of k points, taking
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# into account the symmetry
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ngkpt 3 3 3 # This is a 2x2x2 grid based on the primitive vectors
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nshiftk 1 # of the reciprocal space
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shiftk 0.0 0.0 0.0
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#Definition of the SCF procedure
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tolwfr1 1.0d-18
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toldfe2 1.0d-12 # Will stop when, twice in a row, the difference
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# between two consecutive evaluations of total energy
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# differ by less than toldfe (in Hartree)
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#Definition of the Hartree-Fock calculation
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getwfk2 -1 # Start from previous LDA wavefunctions to ease convergence
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#Additional (and facultative) variables for Hartree-Fock
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nkpthf2 27 # number of k-point in the full-BZ
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nbandhf2 4 # number of occupied states
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# MG These variables are needed to run the test in parallel (bug or feature?)
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#np_spkpt2 2 # Number of processors for k-point parallelization
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#nphf2 2 # Number of processors for occupied states parallelization
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# The calculation thus requires np_spkpt*nphf processors.
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pp_dirpath "$ABI_PSPDIR"
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pseudos "PseudosGTH_pwteter/14si.pspgth"
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#%%<BEGIN TEST_INFO>
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#%% [setup]
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#%% executable = abinit
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#%% [files]
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#%% files_to_test = t69.abo, tolnlines=0, tolabs=0.0, tolrel=0.0
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#%% [paral_info]
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#%% max_nprocs = 4
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#%% [extra_info]
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#%% authors = X. Gonze
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#%% keywords = HF, PBE0
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#%% description = Test of Fock in sequential case, with simple mixing and NC psps
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#%% topics = Hybrids
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#%%<END TEST_INFO>
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