The bimolecular rate constant for solvent displacement, k2, from [(C6H6)Cr(CO)2Solv] by an incoming ligand has been determined in the room temperature ionic liquid, [bmim][PF6], and is compared to that for the same process in cyclohexane and dichloroethane.
![Graphical abstract: Modelling catalytic turnover frequencies in ionic liquids: the determination of the bimolecular rate constant for solvent displacement from [(C6H6)Cr(CO)2Solv] in 1-n-butyl-3-methylimidazolium hexafluorophosphate](http://hg.y866.cn/compound/lib/scimg/usr/1/B315781D.jpg)
