Eyring equation
= Eyring equation
{c}
{title2=$k_2=\frac{k_{\mathrm B}T}{hc^\circ}e^{-\Delta G^{\ddagger\circ}/RT}$}
A <transition state theory> expression relating a <rate constant> to the standard free energy of activation. For a bimolecular reaction expressed in concentration units, $k_2=(k_{\mathrm B}T/h)(c^\circ)^{-1}\exp[-\Delta G^{\ddagger\circ}/(RT)]$ in the unit-transmission approximation.