Diiodine complex of diferrocenyl(phenyl)phosphine sulfide: the structural and electrochemical behaviour of Fc<sub>2</sub>(Ph)PS · I<sub>2</sub>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Diiodine complex of diferrocenyl(phenyl)phosphine sulfide: the structural and electrochemical behaviour of Fc₂(Ph)PS · I₂

Authors:	Neil Bricklebank Simon J. Coles Michael B. Hursthouse Peter J. Skabara

Affiliation:	^a Biomedical Research Centre, Sheffield Hallam University, City Campus, Sheffield S1 1WB, UK ^b Department of Chemistry, EPSRC X-ray Crystallography Service, University of Southampton, Southampton SO17 1BJ, UK ^c Materials Reserach Institute, Sheffield Hallam University, Sheffield S1 1WB, UK ^d Department of Chemistry, University of Manchester, Manchester M13 9PL, UK

Abstract:	The title compound, Fc₂(Ph)PS · I₂, has been prepared and characterised in both the solid state and solution. Single crystal X-ray crystallography reveals that the adduct adopts a molecular charge-transfer structure in the solid state. Mössbauer spectroscopy confirms the presence of low spin Fe²⁺ but also indicates the presence of ca. 24% of an Fe³⁺ species. The electrochemistry of Fc₂(Ph)PS · I₂, Fc₂(Ph)PS and Fc₂(Ph)P has been studied using a combination of cyclic voltammetry and differential pulse voltammetry. The data for Fc₂(Ph)PS · I₂ show two redox processes, consistent with the sequential oxidation of the ferrocenyl groups to ferrocenium species.

Keywords:	Charge-transfer Electrochemistry Diiodine Phosphine Ferrocene
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