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Solution, structural and catalytic studies of neutral MCl2 (M = Pd, Pt) complexes of the N/E mixed-donor ligands 2-(RECH2)C5H4N (RE = MeS, PhS, MeSe)
journal contribution
posted on 2023-05-16, 17:11 authored by Jones, RC, Madden, RL, Skelton, BW, Tolhurst, V, White, AH, Williams, AM, Wilson, AJ, Brian YatesBrian YatesThe reaction of MCl 2 (M = Pd, Pt) with one mole-equivalent of L [L = 2-(MeSCH 2)C 5H 4N (L 1), 2-(PhSCH 2)C 5H 4N (L 2), 2-(MeSeCH 2)C 5H 4N (L 3)] in MeCN gave the monomeric complexes [MCl 2L] in good yields, Single-crystal X-ray diffraction studies of [MCl 2L 2] confirmed the complexes to be monomeric with square-planar geometry about the metal centre. Variable-temperature NMR spectroscopy showed that the complexes undergo fluxional processes in solution, which were confirmed, by DFT calculations, to be (E)-pyramidal inversion at the chalcogen centre rather than ring-flip or (E)-dissociation processes. The calculations showed that the barrier to inversion increases in the order S
History
Publication title
European Journal of Inorganic ChemistryVolume
2005Issue
6Pagination
1048-1055ISSN
1434-1948Department/School
School of Natural SciencesPublisher
Wiley-V C H VerlagPlace of publication
WeinheimRepository Status
- Restricted