https://doi.org/10.1351/goldbook.P04811
@C01124@ in front of the exponential factor expressing the empirical temperature dependence of the @R05137@, \(k\), on temperature, \(T\),\(k=A\ \exp (- E_{\text{a}}/R\ T)\), where \(E_{\text{a}}\) is the @A00093@ energy.