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New binding modes for CSe: coinage metal coordination to a tungsten selenocarbonyl complex

Frogley, Benjamin; Hill, Anthony; Watson, Lachlan


The new tungsten selenocarbonylate [NEt4][W(uCSe)(CO)2(Tp*)] (Tp* = hydrotris(dimethylpyrazolyl) borate) reacts with group 11 reagents to provide σ–π or isoselenocarbonyl complexes of the form [WM(μ-CSe)(CO)2(PR3)n(Tp*)] (M = Cu, Ag, Au; R = Ph, Cy; n = 1,3) depending on the phosphine stoichiometry or steric bulk. With [Cu(NCMe)4]PF6 and 1,4,7-trithiacyclononane ([9]aneS3) however, the tetrametallic species [WCu3(μ-CSe)(CO)2([9]aneS3)3(Tp*)](PF6)2 is obtained in which one Cu coordinates to the...[Show more]

CollectionsANU Research Publications
Date published: 2019-07-25
Type: Journal article
Source: Dalton Transactions
DOI: 10.1039/c9dt02958c
Access Rights: Open Access


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