Parse Energy [eV]  reflect_xx    reflect_zz

def _parse_reflectivity(line, lines):
    """Parse Energy [eV]  reflect_xx    reflect_zz"""

    split_line = line.split()

    energy = float(split_line[0])
    reflect_xx = float(split_line[1])
    reflect_zz = float(split_line[2])

    return {"energy": energy, "reflect_xx": reflect_xx, "reflect_zz": reflect_zz}