A novel arene bonding mode in the mixed-metal cluster Os4Ru( μ-H)3(CO) 12( μ36-C6H5)P(OMe)3

R. A. Al-Mandhary Muna, Jack Lewis, Paul R. Raithby

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The ionic coupling of [Os4H2(CO)12]2- with [Ru(η6-C6H6)(MeCN)3]2- affords the neutral mixed metal cluster Os4Ru( μ-H)2(CO)126-C6H6) 1. The reaction of 1 with trimethylphosphite leads to the initial formation of the addition product Os4Ru( μ-H)2(CO)126-C6H6)P(OMe)3 2, but this complex rearranges in solution to give Os4Ru( μ-H)3(CO)1236-C6H5)P(OMe)3 3. An X-ray structure of 3 shows that the metal core of the cluster is a ruthenium-spiked Os4 tetrahedron, with one hydrogen atom from the arene having transferred to the Os4 core, and one arene carbon bridging an Os-Os edge, while the ring as a whole remains η6-bound to the Ru atom.

Original languageEnglish
Pages (from-to)247-250
Number of pages4
JournalJournal of Organometallic Chemistry
Volume530
Issue number1-2
Publication statusPublished - Mar 1 1997

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metal clusters
Metals
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Ruthenium
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Carbon
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tetrahedrons
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hydrogen atoms
carbon
rings
products
metals
atoms
x rays

Keywords

  • Arene
  • Crystal structure
  • Osmium
  • Phosphite
  • Ruthenium

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

A novel arene bonding mode in the mixed-metal cluster Os4Ru( μ-H)3(CO) 12( μ36-C6H5)P(OMe)3 . / Al-Mandhary Muna, R. A.; Lewis, Jack; Raithby, Paul R.

In: Journal of Organometallic Chemistry, Vol. 530, No. 1-2, 01.03.1997, p. 247-250.

Research output: Contribution to journalArticle

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N2 - The ionic coupling of [Os4H2(CO)12]2- with [Ru(η6-C6H6)(MeCN)3]2- affords the neutral mixed metal cluster Os4Ru( μ-H)2(CO)12(η6-C6H6) 1. The reaction of 1 with trimethylphosphite leads to the initial formation of the addition product Os4Ru( μ-H)2(CO)12(η6-C6H6)P(OMe)3 2, but this complex rearranges in solution to give Os4Ru( μ-H)3(CO)12(μ3-η6-C6H5)P(OMe)3 3. An X-ray structure of 3 shows that the metal core of the cluster is a ruthenium-spiked Os4 tetrahedron, with one hydrogen atom from the arene having transferred to the Os4 core, and one arene carbon bridging an Os-Os edge, while the ring as a whole remains η6-bound to the Ru atom.

AB - The ionic coupling of [Os4H2(CO)12]2- with [Ru(η6-C6H6)(MeCN)3]2- affords the neutral mixed metal cluster Os4Ru( μ-H)2(CO)12(η6-C6H6) 1. The reaction of 1 with trimethylphosphite leads to the initial formation of the addition product Os4Ru( μ-H)2(CO)12(η6-C6H6)P(OMe)3 2, but this complex rearranges in solution to give Os4Ru( μ-H)3(CO)12(μ3-η6-C6H5)P(OMe)3 3. An X-ray structure of 3 shows that the metal core of the cluster is a ruthenium-spiked Os4 tetrahedron, with one hydrogen atom from the arene having transferred to the Os4 core, and one arene carbon bridging an Os-Os edge, while the ring as a whole remains η6-bound to the Ru atom.

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