Systematic synthesis of hexanuclear phosphido-bridged osmium clusters; crystal and molecular structure of [Os6(μ-H)(CO)22(μ-PH2)]

Brian F.G. Johnson; Jack Lewis; Ebbe Nordlander; Steven M. Owen; Paul R. Raithby

doi:10.1039/DT9960001567

Systematic synthesis of hexanuclear phosphido-bridged osmium clusters; crystal and molecular structure of [Os₆(μ-H)(CO)₂₂(μ-PH₂)]

Brian F.G. Johnson, Jack Lewis, Ebbe Nordlander, Steven M. Owen, Paul R. Raithby

Research output: Contribution to journal › Article › peer-review

7 Citations (SciVal)

Abstract

The phosphide-bridged cluster [Os₆(μ-H)(CO)₂₂(μ-PH₂)] and the corresponding phosphinidene-bridged cluster [Os₆(μ-H)₂(CO)₂₁(μ-PH)] have been prepared from the reaction of [Os₃(CO)₁₁(PH₃)] with [Os₃(CO)₁₁(NCMe)] in toluene. In a similar reaction, [Os₆(μ-H)(CO)₂₁(NCMe)(μ-PH₂)] has been prepared from the reaction of [Os₃(CO)₁₁(PH₃)] with [Os₃(CO)₁₀(NCMe)₂]. The two Os₆ clusters have been fully characterized on the basis of their spectroscopic data and, in the case of [Os₆(μ-H)(CO)₂₂(μ-PH₂)], by single-crystal X-ray analysis. In both compounds, two Os₃ triangles are linked by a PH₂ group which is terminally bound to each triangle. Thermolysis of [Os₆(μ-H)(CO)₂₂(μ-PH₂)] and [Os₆(μ-H)(CO)₂₁(NCMe)(μ-PH₂)] leads to the formation of [Os₆(μ₆-P)(CO)₁₈]^- and [Os₆(μ-H)(μ₆-P)(CO)₁₈], respectively.

Original language	English
Pages (from-to)	1567-1571
Number of pages	5
Journal	Journal of the Chemical Society - Dalton Transactions
Issue number	8
DOIs	https://doi.org/10.1039/DT9960001567
Publication status	Published - 1 Jan 1996

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General Chemistry

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@article{4d55992733124a658711774f847df49d,

title = "Systematic synthesis of hexanuclear phosphido-bridged osmium clusters; crystal and molecular structure of [Os6(μ-H)(CO)22(μ-PH2)]",

abstract = "The phosphide-bridged cluster [Os6(μ-H)(CO)22(μ-PH2)] and the corresponding phosphinidene-bridged cluster [Os6(μ-H)2(CO)21(μ-PH)] have been prepared from the reaction of [Os3(CO)11(PH3)] with [Os3(CO)11(NCMe)] in toluene. In a similar reaction, [Os6(μ-H)(CO)21(NCMe)(μ-PH2)] has been prepared from the reaction of [Os3(CO)11(PH3)] with [Os3(CO)10(NCMe)2]. The two Os6 clusters have been fully characterized on the basis of their spectroscopic data and, in the case of [Os6(μ-H)(CO)22(μ-PH2)], by single-crystal X-ray analysis. In both compounds, two Os3 triangles are linked by a PH2 group which is terminally bound to each triangle. Thermolysis of [Os6(μ-H)(CO)22(μ-PH2)] and [Os6(μ-H)(CO)21(NCMe)(μ-PH2)] leads to the formation of [Os6(μ6-P)(CO)18]- and [Os6(μ-H)(μ6-P)(CO)18], respectively.",

author = "Johnson, {Brian F.G.} and Jack Lewis and Ebbe Nordlander and Owen, {Steven M.} and Raithby, {Paul R.}",

year = "1996",

month = jan,

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doi = "10.1039/DT9960001567",

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journal = "Journal of the Chemical Society - Dalton Transactions",

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T1 - Systematic synthesis of hexanuclear phosphido-bridged osmium clusters; crystal and molecular structure of [Os6(μ-H)(CO)22(μ-PH2)]

AU - Johnson, Brian F.G.

AU - Lewis, Jack

AU - Nordlander, Ebbe

AU - Owen, Steven M.

AU - Raithby, Paul R.

PY - 1996/1/1

Y1 - 1996/1/1

N2 - The phosphide-bridged cluster [Os6(μ-H)(CO)22(μ-PH2)] and the corresponding phosphinidene-bridged cluster [Os6(μ-H)2(CO)21(μ-PH)] have been prepared from the reaction of [Os3(CO)11(PH3)] with [Os3(CO)11(NCMe)] in toluene. In a similar reaction, [Os6(μ-H)(CO)21(NCMe)(μ-PH2)] has been prepared from the reaction of [Os3(CO)11(PH3)] with [Os3(CO)10(NCMe)2]. The two Os6 clusters have been fully characterized on the basis of their spectroscopic data and, in the case of [Os6(μ-H)(CO)22(μ-PH2)], by single-crystal X-ray analysis. In both compounds, two Os3 triangles are linked by a PH2 group which is terminally bound to each triangle. Thermolysis of [Os6(μ-H)(CO)22(μ-PH2)] and [Os6(μ-H)(CO)21(NCMe)(μ-PH2)] leads to the formation of [Os6(μ6-P)(CO)18]- and [Os6(μ-H)(μ6-P)(CO)18], respectively.

AB - The phosphide-bridged cluster [Os6(μ-H)(CO)22(μ-PH2)] and the corresponding phosphinidene-bridged cluster [Os6(μ-H)2(CO)21(μ-PH)] have been prepared from the reaction of [Os3(CO)11(PH3)] with [Os3(CO)11(NCMe)] in toluene. In a similar reaction, [Os6(μ-H)(CO)21(NCMe)(μ-PH2)] has been prepared from the reaction of [Os3(CO)11(PH3)] with [Os3(CO)10(NCMe)2]. The two Os6 clusters have been fully characterized on the basis of their spectroscopic data and, in the case of [Os6(μ-H)(CO)22(μ-PH2)], by single-crystal X-ray analysis. In both compounds, two Os3 triangles are linked by a PH2 group which is terminally bound to each triangle. Thermolysis of [Os6(μ-H)(CO)22(μ-PH2)] and [Os6(μ-H)(CO)21(NCMe)(μ-PH2)] leads to the formation of [Os6(μ6-P)(CO)18]- and [Os6(μ-H)(μ6-P)(CO)18], respectively.

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Systematic synthesis of hexanuclear phosphido-bridged osmium clusters; crystal and molecular structure of [Os₆(μ-H)(CO)₂₂(μ-PH₂)]

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