from ryd_numerov.elements.element import Element
from ryd_numerov.units import ureg
RydbergConstant = ureg.Quantity(1, "rydberg_constant").to("eV", "spectroscopy")
[docs]
class Hydrogen(Element):
species = "H"
s = 1 / 2
ground_state_shell = (1, 0)
# https://webbook.nist.gov/cgi/inchi?ID=C1333740&Mask=20
_ionization_energy = (15.425_93, 0.000_05, "eV")
[docs]
class HydrogenTextBook(Element):
"""Hydrogen from QM textbook with infinite nucleus mass and no spin orbit coupling."""
species = "H_textbook"
s = 1 / 2
ground_state_shell = (1, 0)
_ionization_energy = (RydbergConstant.magnitude, 0, str(RydbergConstant.units))
add_spin_orbit = False