Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The calculated free energies (∆rG) and the free energy barrier (∆G‡) of the C-H bond activation of (a) methane, (b) methylbenzene, (c) propylene, and (d) benzene. ■: FLPs P1–P25; ▲: FLPs N1–N21. I: ∆rG < 20 kcal/mol and ∆G‡ < 30 kcal/mol; II: ∆rG < 20 kcal/mol and ∆G‡ > 30 kcal/mol; III: ∆rG > 20 kcal/mol and ∆G‡ > 30 kcal/mol.
