Cu/NIST/Cu_p23__NIST.trans
           3            2 1.5700e+03    5.631000e+04
           2            1 3.5500e+04    1.321200e+05
           4            3 5.7800e+04    1.852000e+05
           4            2 6.5300e+04    2.415000e+05