Metallaborane chemistry. Part III. Oxidative-insertion reactions of eleven-atom monocarbon carbaborane species with zerovalent nickel, palladium, and platinum complexes; the molecular and crystal structure of 1,1 -bis(t-butyl isocyanide)-2-(trimethylamine)-2-carba-1-pallada-closo-decaborane(10)

W. Eamon Carroll, Michael Green, F. Gordon A. Stone, Alan J. Welch

Research output: Contribution to journalArticle

Abstract

Reaction of [Ni(cod)(ButNC)2], [Pd(ButNC)2], and [Pt(trans-stilbene) (PEt3)2] with [Me4N]+ [closo-CB10H11]-and closo-2-NMe3-2-CB10H10 affords the closo-metallacarbaboranes [Me4N]+ [1,1-L2-1,2-MCBl0H11]- and [1,1-L2-2-NMe3-1,2-MCBl0Hl0] (M = Ni or Pd, L = ButNC; M = Pt, L = PEt3). The molecular structure of the palladium complex has been determined from a single-crystal X-ray diffraction study and refined to R = 0.042 for 3 319 independent observed reflections. Crystals are monoclinic, space group P21/n. with cell dimensions of a = 10.947(3), b = 15.194(4), c = 15.804(4) Å, β = 103.45(2)°. The 12-atom polyhedron has a very distorted icosahedral geometry, marked by an extremely weak metal-carbon interaction with Pd-C(cage) at 2.600(6) Å. The metal to carbaborane bonding is described in terms of approximately square planar co-ordination.

Original languageEnglish
Pages (from-to)2263-2270
Number of pages8
JournalJournal of the Chemical Society, Dalton Transactions
Issue number21
DOIs
Publication statusPublished - 1975

ASJC Scopus subject areas

  • Chemistry(all)

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