Function adas.xxeiam

def xxeiam(esym)

Return the atomic mass for an element(s).

Parameters

esym : str
Element symbol. Can be an array.

Returns

float
Mass of element(s).

Notes

Last element is Lawrencium (Z0=103). Returns 0.0 if element is heavier.

Version History

  • Martin O'Mullane, 29-03-2019

    • First version

  • Martin O'Mullane, 15-09-2023

    • Extend to Lawrencium (the last actinide).

  • Martin O'Mullane, 05-04-2024

    • Update mass of H, D and T from NIST (2018 CODATA).

Example

>>> import adas as adas
>>> adas.xxeiam('C')
12.011
>>> adas.xxeiam(['He', 'Be', 'Hf'])
array([  4.0026 ,   9.01218, 178.49   ])