@ValidateLarchPlugin
def coherent_cross_section_elam(element, energy, _larch=None):
    xdb = get_xraydb(_larch)
    return xdb.coherent_cross_section_elam(element, energy)
returns coherent scattering cross section
dataset/ETHPy150Open xraypy/xraylarch/plugins/xray/xraydb_plugin.py/coherent_cross_section_elam