Table 4. Second-Order Rate Constants, Eigenvalues of the Association Probability Matrix, and Relative Nucleophilicity of Reactants (ET – in Ethanol, NM – in Nitromethane).

reactant	k, L·mol–1·s–1 NM	k, L·mol–1·s–1 ET	λVDW NM	λVDW ET	Nrel NM	Nrel ET
2a	3.6452	1.0214	76.24	124.87	0.3889	–0.1165
2b	2.5129	1.0210	66.94	100.29	0.2417	–0.2980
2c	0.5157	0.1283	69.40	99.78	–0.0292	–0.6281
2d	0.6780	0.1505	81.08	118.67	–0.1550	–0.8455
2e	0.4873	0.1121	86.05	132.63	–0.3136	–0.9671
2f	0.5605	0.2564	76.20	107.34	–0.1769	–0.7013
2g	0.3068	0.0231	87.11	119.34	–0.7958	–1.3765
2h	0.7670	0.3868	68.52	100.81	0.2019	–0.3246
2i	0.8522	0.2855	72.22	103.02	–0.1086	–0.6986
2j	0.4670	0.1305	81.90	104.11	–0.3933	–0.9543
2k	1.7946	0.6180	105.32	168.72	0.2470	–0.2940
2l	2.7190	1.0127	91.89	129.95ss	0.1919	–0.2774
2m	0.7910	0.2608	100.34	150.04	0.2174	–0.2456