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#! Test of all different algorithms and reference types for SCF, on singlet and triplet O2, using the cc-pVTZ basis set.

memory 250 mb


#Ensure that the checkpoint file is always nuked
psi4_io.set_specific_retention(32,False)


molecule singlet_o2 {
    0 1
    O
    O 1 1.2
    units    angstrom
}

molecule triplet_o2 {
    0 3
    O
    O 1 1.2
    units    angstrom
}
singlet_o2.update_geometry()
triplet_o2.update_geometry()


activate(singlet_o2)
set globals {
    basis cc-pvtz
    df_basis_scf cc-pvtz-jkfit
    guess core
    print 2
}

set scf reference rhf

set scf scf_type pk
E = energy('scf')

set scf scf_type direct
E = energy('scf')

set scf scf_type out_of_core 
E = energy('scf')

set scf scf_type df 
E = energy('scf')

set scf reference uhf

set scf scf_type pk
E = energy('scf')

set scf scf_type direct
E = energy('scf')

set scf scf_type out_of_core 
E = energy('scf')

set scf scf_type df 
E = energy('scf')

set scf reference cuhf

set scf scf_type pk
E = energy('scf')

set scf scf_type direct
E = energy('scf')

set scf scf_type out_of_core
E = energy('scf')

set scf scf_type df
E = energy('scf')

activate(triplet_o2)
set globals {
    basis cc-pvtz
    df_basis_scf cc-pvtz-jkfit
    guess core
    print 2
}

set scf reference uhf

set scf scf_type pk
E = energy('scf')

set scf scf_type direct
E = energy('scf')

set scf scf_type out_of_core 
E = energy('scf')

set scf scf_type df 
E = energy('scf')

clean()

set scf reference rohf

set scf scf_type pk
E = energy('scf')
clean()

set scf scf_type direct
E = energy('scf')
clean()

set scf scf_type out_of_core 
E = energy('scf')
clean()

set scf scf_type df 
E = energy('scf')

clean()

set scf reference cuhf

set scf scf_type pk
E = energy('scf')
clean()

set scf scf_type direct
E = energy('scf')
clean()

set scf scf_type out_of_core
E = energy('scf')
clean()

set scf scf_type df
E = energy('scf')