def METHOD_NAME():
    hydrogen_isotopes = [('H1', 0.99984426), ('H2', 0.00015574)]
    assert openmc.data.isotopes('H') == hydrogen_isotopes
    assert openmc.data.isotopes('hydrogen') == hydrogen_isotopes
    assert openmc.data.isotopes('Al') == [('Al27', 1.0)]
    assert openmc.data.isotopes('Aluminum') == [('Al27', 1.0)]
    assert openmc.data.isotopes('aluminium') == [('Al27', 1.0)]
    with pytest.raises(ValueError):
        openmc.data.isotopes('Чорнобиль')