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Title: Synthesis and characterisation of [Pt2(μ-S)(μ-I)(PPh3)4]+ - A cationic iodo analogue of the metalloligand [Pt2(μ-S)2(PPh3)4]
Authors: Audi Fong, S.-W.
Evans, K.
Henderson, W.
Nicholson, B.K.
Andy Hor, T.S. 
Keywords: Crystal structure
Electrospray mass spectrometry
Iodide complexes
Platinum complexes
Sulfido complexes
Issue Date: 15-Jan-2010
Citation: Audi Fong, S.-W., Evans, K., Henderson, W., Nicholson, B.K., Andy Hor, T.S. (2010-01-15). Synthesis and characterisation of [Pt2(μ-S)(μ-I)(PPh3)4]+ - A cationic iodo analogue of the metalloligand [Pt2(μ-S)2(PPh3)4]. Inorganica Chimica Acta 363 (2) : 301-307. ScholarBank@NUS Repository.
Abstract: Reaction of [Pt2(μ-S)2(PPh3)4] with a number of transition metal-iodo complexes leads to the formation of the cationic iodo analogue [Pt2(μ-S)(μ-I)(PPh3)4]+, identified using electrospray ionisation mass spectrometry (ESI MS). Synthetic routes to this complex were developed, using the reaction of [Pt2(μ-S)2(PPh3)4] with either [PtI2(PPh3)2] or elemental iodine. The complex was characterised by NMR spectroscopy, ESI MS and an X-ray structure determination, which reveals the presence of a planar, disordered {Pt2SI}+ core. Monitoring the iodine reaction by ESI MS allows the identification of various iodine species, including the short-lived intermediate [Pt2(μ-S)2(PPh3)4I]+, which allows a mechanism for the reaction to be proposed. © 2009 Elsevier B.V. All rights reserved.
Source Title: Inorganica Chimica Acta
ISSN: 00201693
DOI: 10.1016/j.ica.2009.10.013
Appears in Collections:Staff Publications

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