Ar/NIST/Ar_p5__NIST.trans
           2            1 9.7000e-02    2.207890e+03
           6            2 5.4000e+08    1.302541e+05
           7            2 3.3000e+09    1.303660e+05
           6            1 2.8000e+09    1.324630e+05
          27            2 1.3600e+10    3.401010e+05
          27            1 6.9000e+09    3.423090e+05