def METHOD_NAME(species):
    """
    Get ionization data for the named ion species.
    """
    global CACHEDIR
    Z, n, T, I_scd = _loadADAS(species, 'scd')
    _, _, E_ion    = get_nist.load_elements([species], 'ionization', cache=True, cachedir=CACHEDIR)
    n     = np.power(10, n)
    T     = np.power(10, T)
    I_scd = np.power(10, I_scd)
    E_ion = E_ion[0]
    return I_scd, Z, n, T, E_ion