/usr/share/psi4/samples/dfccd-grad1/test.in is in psi4-data 1:1.1-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #! DF-CCSD cc-pVDZ gradients for the H2O molecule.
ref_vals = [ #TEST
[ 0.000000000000, -0.00000000004556, 0.01125855952669], #TEST
[ 0.000000000000, 0.00201761388675, -0.00562927978099], #TEST
[ 0.000000000000, -0.00201761384119, -0.00562927974570] #TEST
] #TEST
ref = psi4.Matrix(3, 3) #TEST
ref.set(ref_vals)
molecule h2o {
0 1
o
h 1 0.958
h 1 0.958 2 104.4776
symmetry c1
}
set {
basis cc-pvdz
df_basis_scf cc-pvdz-jkfit
df_basis_cc cc-pvdz-ri
guess sad
scf_type df
freeze_core true
cc_type df
}
grad = gradient('ccd')
compare_matrices(ref, grad, 5, "Analytic gradients") #TEST
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