Source code for ryd_numerov.elements.francium
from ryd_numerov.elements.element import Element
[docs]
class Francium(Element):
species = "Fr"
s = 1 / 2
ground_state_shell = (7, 0)
# https://webbook.nist.gov/cgi/inchi?ID=C7440735&Mask=20
_ionization_energy = (4.071_2, 0.000_04, "eV")