openmc
openmc.model
openmc.examples
openmc.deplete
openmc.mgxs
openmc.stats
openmc.data
openmc.lib
openmc.openmoc_compatible
Return nuclide name using GNDS convention
Z – Atomic number
A – Mass number
m – Metastable state
Nuclide name in GNDS convention, e.g., ‘Am242_m1’