Brønsted–Lowry acid strength of metal hydride and dihydrogen complexes

RH Morris - Chemical Reviews, 2016 - ACS Publications
Transition metal hydride complexes are usually amphoteric, not only acting as hydride
donors, but also as Brønsted–Lowry acids. A simple additive ligand acidity constant …

Dihydrogen complexation

RH Crabtree - Chemical Reviews, 2016 - ACS Publications
Dihydrogen complexation with retention of the H–H bond, once an exotic concept, has by
now appeared in a very wide range of contexts. Three structural types are currently …

Metal–dihydrogen and σ-bond coordination: the consummate extension of the Dewar–Chatt–Duncanson model for metal–olefin π bonding

GJ Kubas - Journal of Organometallic Chemistry, 2001 - Elsevier
There is a marvelous analogy between the metal–olefin π bonding model first brought to
light by Dewar 50 years ago and that of σ-bond coordination discovered by us 17 years ago …

Hydrogen and dihydrogen bonds in the reactions of metal hydrides

NV Belkova, LM Epstein, OA Filippov… - Chemical …, 2016 - ACS Publications
The dihydrogen bond an interaction between a transition-metal or main-group hydride (M
H) and a protic hydrogen moiety (H X) is arguably the most intriguing type of hydrogen …

Methyl (alkyl)-coenzyme M reductases: nickel F-430-containing enzymes involved in anaerobic methane formation and in anaerobic oxidation of methane or of short …

RK Thauer - Biochemistry, 2019 - ACS Publications
Methyl-coenzyme M reductase (MCR) catalyzes the methane-forming step in methanogenic
archaea. The active enzyme harbors the nickel (I) hydrocorphin coenzyme F-430 as a …

Electron and proton transfers at diiron dithiolate sites relevant to the catalysis of proton reduction by the [FeFe]-hydrogenases

JF Capon, F Gloaguen, FY Pétillon… - Coordination Chemistry …, 2009 - Elsevier
This review focuses on electron and proton transfers involving hexacarbonyl and substituted
{2Fe2S} complexes inspired from the active site of the [FeFe]-hydrogenases ([FeFe] …

Diverse world of unconventional hydrogen bonds

NV Belkova, ES Shubina… - Accounts of chemical …, 2005 - ACS Publications
This Account presents our view of unconventional intermolecular hydrogen bonds (HBs) for
organometallic complexes and transition-metal or main-group hydrides. Over the past …

Estimating the acidity of transition metal hydride and dihydrogen complexes by adding ligand acidity constants

RH Morris - Journal of the American Chemical Society, 2014 - ACS Publications
A simple equation (p K aTHF=∑ AL+ C charge+ C nd+ C d6) can be used to obtain an
estimate of the p K a of diamagnetic transition metal hydride and dihydrogen complexes in …

Mechanistic roles of metal-and ligand-protonated species in hydrogen evolution with [Cp* Rh] complexes

WC Henke, Y Peng, AA Meier, E Fujita… - Proceedings of the …, 2023 - National Acad Sciences
Protonation reactions involving organometallic complexes are ubiquitous in redox chemistry
and often result in the generation of reactive metal hydrides. However, some organometallic …

Variations on an NHC theme: which features enhance catalytic transfer hydrogenation with ruthenium complexes?

J DePasquale, M Kumar, M Zeller, ET Papish - Organometallics, 2013 - ACS Publications
N-heterocyclic carbene (NHC) based ruthenium complexes were studied as catalysts for the
transfer hydrogenation of ketones. Variations in the catalyst structure were investigated for …