molspecutils.molecule.hitran_line_strength#
- hitran_line_strength(pair, mode, unit='SI')[source]#
Return HITRAN line strength for pair.
- Parameters:
pair (Tuple[DiatomState | SymTopState, DiatomState | SymTopState]) – Transition.
mode (AlchemyModeMixin) – Molecular vibrational mode.
unit (str) – ‘SI’ (default) for m**2 Hz, ‘HITRAN’ for cm-1 cm**2.