In this issue of Chem Catalysis, Chen et al. explore-through the combination of ab initio molecular dynamics, 13C solid-state nuclear magnetic resonance (NMR), and in situ Fourier transform infrared spectroscopy-the catalytic relevance of ‘‘three-center-two-electron (3c-2e)'' carbocations in the industrially relevant C4 isomeriza-tion process over zeolite ZSM-5.
展开▼