Table 1. Intrinsic Free-Energy Barriers (kJ/mol) of Ethene Desorption and C–C Coupling in [(ethene)x-Ni-ethyl]+ Species in SSZ-24 Zeolite, Obtained from DFT-MD Simulations at 120 °C (Sections S2.7 and S2.8).
| [ethene-Ni-ethyl]+ | [(ethene)2-Ni-ethyl]+ | [(ethene)3-Ni-ethyl]+ | |
|---|---|---|---|
| C–C coupling | 77 | 37 | 76 |
| ethene desorption | 72 | 54 | 20 |