perturbopy.postproc.utils.constants.energy_conversion_factor

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

find the conversion factor between two energy 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

>>> energy_conversion_factor('meV', 'Ha')
3.674930882447527e-05
>>> energy_conversion_factor('Ry', 'Ha')
2.0