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/usr/share/psi/samples/mints9/input.dat is in psi4-data 1:0.3-5.

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#! A test of the basis specification.  Various basis sets are specified outright and in blocks, both
#! orbital and auxiliary. Constructs libmints BasisSet objects through the constructor that calls
#! qcdb.BasisSet infrastructure. Checks that the resulting bases are of the right size and checks
#! that symmetry of the Molecule observes the basis assignment to atoms.

#           cc-pvdz                 aug-cc-pvdz
# BASIS     H  5/ 5   C  14/15      H +4/ 4   C  +9/10
# RIFIT     H 14/15   C  56/66      H +9/10   C +16/20
# JKFIT     H 23/25   C  70/81      H +9/10   C +16/20


molecule mymol {
C    0.0  0.0 0.0
O    1.4  0.0 0.0
H_r -0.5 -0.7 0.0
H_l -0.5  0.7 0.0
}

set print 3
set basis cc-pvdz

print '    <<<  uniform cc-pVDZ  >>>'
wert = psi4.BasisSet.pyconstruct_orbital(mymol, 'BASIS', get_global_option('BASIS'))
compare_strings('CC-PVDZ', get_global_option('BASIS'), 'name')
compare_integers(38, wert.nbf(), 'nbf()')
compare_integers(40, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '        <<<  RIFIT (default)  >>>'
wert = psi4.BasisSet.pyconstruct_auxiliary(mymol, 'DF_BASIS_MP2', '', 'RIFIT', get_global_option('BASIS'))
compare_integers(140, wert.nbf(), 'nbf()')
compare_integers(162, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '    <<<  cc-pVDZ w/ aug-cc-pVDZ on C  >>>'
basis dz_PLUS {  # basis block resets BASIS to DZ_PLUS
    assign cc-pvdz
    assign c aug-cc-pvdz
}
wert = psi4.BasisSet.pyconstruct_orbital(mymol, 'BASIS', get_global_option('BASIS'))
compare_integers(47, wert.nbf(), 'nbf()')
compare_integers(50, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '        <<<  RIFIT (default)  >>>'
wert = psi4.BasisSet.pyconstruct_auxiliary(mymol, 'DF_BASIS_MP2', '', 'RIFIT', get_global_option('BASIS'))
compare_integers(156, wert.nbf(), 'nbf()')
compare_integers(182, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '    <<<  cc-pVDZ w/ aug-cc-pVDZ on C, H_R  >>>'
basis dz_PLUSplus {
    assign cc-pvdz
    assign c aug-cc-pvdz
    assign h_r aug-cc-pvdz
}
wert = psi4.BasisSet.pyconstruct_orbital(mymol, 'BASIS', get_global_option('BASIS'))
compare_strings('DZ_PLUSPLUS', get_global_option('BASIS'), 'name')
compare_integers(51, wert.nbf(), 'nbf()')
compare_integers(54, wert.nao(), 'nao()')
compare_strings('cs', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '    <<<  RIFIT (custom: force cc-pVDZ on H, default on C, O)  >>>'
df_basis_mp2 dz_PLUSplusRI {
    #assign aug-cc-pvdz-ri
    assign h cc-pvdz-ri
}
#wert = psi4.BasisSet.pyconstruct_auxiliary(mymol, 'DF_BASIS_MP2', 'dz_plusplusri', 'RIFIT', 'dz_plusplus')
wert = psi4.BasisSet.pyconstruct_auxiliary(mymol, 'DF_BASIS_MP2', get_global_option('DF_BASIS_MP2'), 'RIFIT', get_global_option('BASIS'))
compare_integers(156, wert.nbf(), 'nbf()')
compare_integers(182, wert.nao(), 'nao()')
compare_strings('cs', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '    <<<  cc-pVDZ w/ aug-cc-pVDZ on C, H  >>>'
basis dz_PLUSplusplus {
    assign cc-pvdz
    assign c aug-cc-pvdz
    assign h aug-cc-pvdz
}
#wert = psi4.BasisSet.pyconstruct_orbital(mymol, 'BASIS', 'dz_plusplusplus')
wert = psi4.BasisSet.pyconstruct_orbital(mymol, 'BASIS', get_global_option('BASIS'))
compare_integers(55, wert.nbf(), 'nbf()')
compare_integers(58, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '        <<<  JKFIT (default)  >>>'
#wert = psi4.BasisSet.pyconstruct_auxiliary(mymol, 'DF_BASIS_SCF', '', 'JKFIT', 'dz_plusplusplus')
wert = psi4.BasisSet.pyconstruct_auxiliary(mymol, 'DF_BASIS_SCF', '', 'JKFIT', get_global_option('BASIS'))
compare_integers(220, wert.nbf(), 'nbf()')
compare_integers(252, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()

set basis aug-cc-pvdz

print '    <<<  aug-cc-pVDZ  >>>'
wert = psi4.BasisSet.pyconstruct_orbital(mymol, 'BASIS', get_global_option('BASIS'))
compare_integers(64, wert.nbf(), 'nbf()')
compare_integers(68, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


print '        <<<  JKFIT (default)  >>>'
wert = psi4.BasisSet.pyconstruct_auxiliary(mymol, 'DF_BASIS_SCF', '', 'JKFIT', get_global_option('BASIS'))
compare_integers(236, wert.nbf(), 'nbf()')
compare_integers(272, wert.nao(), 'nao()')
compare_strings('c2v', mymol.schoenflies_symbol(), 'symm')
mymol.print_out()


molecule mymol2 {
C    0.0  0.0 0.0
O    1.4  0.0 0.0
H_r -0.5 -0.6 0.3
H_l -0.5  0.6 0.3
H_c -0.5  0.0 0.7
}

set basis dz_plusplusplus

print '    <<<  cc-pVDZ w/ aug-cc-pVDZ on C, H  >>>'
wert = psi4.BasisSet.pyconstruct_orbital(mymol2, 'BASIS', get_global_option('BASIS'))
compare_integers(64, wert.nbf(), 'nbf()')
compare_integers(67, wert.nao(), 'nao()')
compare_strings('cs', mymol2.schoenflies_symbol(), 'symm')
mymol2.print_out()