Table 3.

Energies of reaction (B3PW91-D3BJ, kJ mol⁻¹

Entry	Reactiona	Energy
1	[KA'] + [CH4] → [(CH4)']	−11.9 (∆H°)
2	[KA'] + HSiMe3 → [(HSiMe3)KA']	−30.0 (∆H°)
3	[CsA'] + CH4 → [(CH4)CsA']	−3.9 (∆H°)
4	[CsA'] + HSiMe3 → [(HSiMe3)CsA']	−23.6 (∆H°)

^aThe def2-TZVP basis set was used on all atoms.