perturbopy.postproc.utils.constants.length_conversion_factor

perturbopy.postproc.utils.constants.length_conversion_factor(init_units, final_units)

find the conversion factor between two length units.

Parameters:

• init_units (str) – The initial units in the conversion.

• final_units (str) – The final units in the conversion.

Returns:

conversion_factor – The conversion factor to convert from init_units to final_units.

Return type:

float

Examples

>>> length_conversion_factor('a.u', 'bohr')
1.0
>>> length_conversion_factor('a.u', 'nm')
5.29177249e-2