Quantifying interactions in the active encounter complex of frustrated Lewis pairs

Nature Communications, Год журнала: 2025, Номер 16(1)

Опубликована: Апрель 17, 2025

Abstract Sustainable catalysts based on main-group elements, such as frustrated Lewis pairs (FLPs), have emerged alternatives to precious metal systems. The initial reaction of the acid, base and small molecule ( e.g . H 2 ) is formally termolecular, but rationalised by pre-association acid in an encounter complex. Here we show that charge-transfer band between P(mes) 3 B(C 6 F 5 can be analysed supramolecular UV-vis spectroscopic techniques provide key thermodynamic parameter, association constant K a ), for active complex, i.e pre-associated complex specifically correct orientation small-molecule activation. We also demonstrate higher concentration solution leads faster activation hydrogen. This method enables researchers directly probe underpins FLP subsequent catalysis, will aid design more sustainable catalysts.

Язык: Английский

A crystallized view of acid-base chemistry

Science, Год журнала: 2024, Номер 385(6714), С. 1165 - 1166

Опубликована: Сен. 12, 2024

The structural relationship between Lewis adduct isomers is resolved

Язык: Английский