step-number   reactant-id    process-id    product-id     step-time    total-time       barrier          rate
---------------------------------------------------------------------------------------------------------------
           0             0             0             1  3.000000e-12  3.000000e-12      0.000000  0.000000e+00
           1             1             0             2  2.200000e-12  5.200000e-12      0.000000  0.000000e+00
           2             2             0             3  2.200000e-12  7.400000e-12      0.000000  0.000000e+00
           3             3             0             4  2.200000e-12  9.600000e-12      0.000000  0.000000e+00