Cl/NIST/Cl_p7__NIST.trans
           2            1 2.8000e+10    1.689450e+06
           3            1 9.7000e+10    1.704360e+06
           4            1 4.5000e+09    1.972390e+06
           5            1 1.4000e+12    1.997040e+06
           6            1 1.5000e+11    2.020730e+06