Formats (qiskit_nature.second_q.formats)#

Submodules#

fcidump

FCIDump (qiskit_nature.second_q.formats.fcidump)

qcschema

QCSchema (qiskit_nature.second_q.formats.qcschema)

watson

The Watson Hamiltonian (qiskit_nature.second_q.formats.watson)

MoleculeInfo

A dataclass storing molecule information.

fcidump_to_problem

Builds out an ElectronicStructureProblem from a FCIDump instance.

watson_to_problem

Builds out a VibrationalStructureProblem from a WatsonHamiltonian.

qcschema_to_problem

Builds out an ElectronicStructureProblem from a QCSchema instance.

get_ao_to_mo_from_qcschema

Builds out a BasisTransformer from a QCSchema instance.

get_overlap_ab_from_qcschema

Builds the alpha-beta spin orbital overlap matrix from a QCSchema instance.