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

Benjamin J. Frogley, Anthony F. Hill*, Lachlan J. Watson

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    15 Citations (Scopus)

    Abstract

    The new tungsten selenocarbonylate [NEt4][W(CSe)(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 WC triple bond and two coordinate to the Se atom.

    Original languageEnglish
    Pages (from-to)12598-12606
    Number of pages9
    JournalDalton Transactions
    Volume48
    Issue number33
    DOIs
    Publication statusPublished - 2019

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