Activation parameters for rotation about an M–Ccarbbond from temperature dependent1H n.m.r. spectra of RhIcarbene complexes
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 17,p. 679-680
- https://doi.org/10.1039/c39740000679
Abstract
Restricted rotation on the n.m.r. time scale about the Rh–Ccarb bond in complexes [RhLEt(Y)Y′(Z)][LEt= [graphic omitted](Et)] is demonstrated; for trans-[Rh(LEt)2(CO)Cl], variable temperature observations provid rotational activation parameters including a relatively low activation energy (⩽ 10 kcal mol–1) and a negative activation entropy.Keywords
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