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Mononuclear and binuclear ruthenium(II) complexes with 4-(phenyl) thiosemicarbazone of benzaldehyde: a discussion on the relative stabilities of the four-membered and five-membered chelate rings formed by the ligand

Mishra, D., Naskar, S., Drew, M.G.B. and Chattopadhyay, S.K. (2005) Mononuclear and binuclear ruthenium(II) complexes with 4-(phenyl) thiosemicarbazone of benzaldehyde: a discussion on the relative stabilities of the four-membered and five-membered chelate rings formed by the ligand. Polyhedron, 24 (14). pp. 1861-1868. ISSN 0277-5387

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To link to this item DOI: 10.1016/j.poly.2005.05.018

Abstract/Summary

Three new ruthenium complexes of the formulae cis-[Ru(PPh3)(2)(BzTscbz)(2)] (1a), [Ru-2(PPh3)(2)(BzTscbz)(4)] (1b) and [Ru(PPh3)(2)(BzTscHbz)(2)](ClO4)(2) (2) [BzTscHbz = 4-(phenyl) thiosemicarbazone of benzaldehyde] have been synthesized and characterized by various physicochemical methods including X-ray structure determinations for 1a and 1b. The relative stabilities of the four-membered versus five-membered chelate rings formed by the deprotonated ligand BzTscbz are discussed on the basis of the experimental results and some semi-empirical as well as DFT calculations. (c) 2005 Elsevier Ltd. All rights reserved.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11490
Uncontrolled Keywords:ruthenium(II) thiosemicarbazone complexes, relative stability of, four-membered and five-membered chelate rings, DFT calculations, INHOMOGENEOUS ELECTRON-GAS, UNUSUAL COORDINATION MODE, N-S DONORS, CRYSTAL-STRUCTURE, METAL-COMPLEXES, SALICYLALDEHYDE THIOSEMICARBAZONE, CORRELATION-ENERGY, RU(II) COMPLEXES, OSMIUM COMPLEXES, REDOX PROPERTIES

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