openmc.data.isotopes

openmc.data.isotopes(element)[source]

Return naturally occurring isotopes and their abundances

New in version 0.12.1.

Parameters:element (str) – Element symbol (e.g., ‘H’) or name (e.g., ‘helium’)
Returns:A list of tuples of (isotope, abundance)
Return type:list
Raises:ValueError – If the element name is not recognized