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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)

Citation

Jones, RC and Madden, RL and Skelton, BW and Tolhurst, V and White, AH and Williams, AM and Wilson, AJ and Yates, BF, 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), European Journal of Inorganic Chemistry, 2005, (6) pp. 1048-1055. ISSN 1434-1948 (2005) [Refereed Article]

DOI: doi:10.1002/ejic.200400514

Abstract

The 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<Se<Te. All complexes were characterised using 1H NMR, UV/Vis and IR spectroscopy and microanalysis. © Wiley-VCH Verlag GmbH & Co. KGaA, 2005.

Item Details

Item Type:Refereed Article
Research Division:Chemical Sciences
Research Group:Inorganic Chemistry
Research Field:Transition Metal Chemistry
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Chemical Sciences
Author:Jones, RC (Dr Roderick Jones)
Author:Madden, RL (Miss Rachael Madden)
Author:Tolhurst, V (Dr Vicki-Anne Gardiner)
Author:Williams, AM (Mr Alan Williams)
Author:Wilson, AJ (Mrs Amy Wilson)
Author:Yates, BF (Professor Brian Yates)
ID Code:36397
Year Published:2005
Web of Science® Times Cited:20
Deposited By:Chemistry
Deposited On:2005-08-01
Last Modified:2012-03-05
Downloads:0

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