Cluster condensation reactions. The synthesis and crystal and molecular structure of Os6(CO)142-PPh2)23-S)34-S)

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

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Original languageEnglish
Pages (from-to)243-252
Journal / PublicationJournal of Organometallic Chemistry
Volume262
Issue number2
Publication statusPublished - 14 Feb 1984
Externally publishedYes

Abstract

Thermal degradation of the cluster compound Os3(CO)8(PPh2H)(μ3-S)2 (I) at 125°C leads to decarbonylation and formation of the new ligand bridged hexanuclear cluster Os6(CO)14(μ-PPh2)23-S)34-S) (II) in 11% yield. Space Group: P1, No. 2, a 10.427(5), b 13.552(3), c 17.919(3) Å, α 84.87(2), β 75.41(3), γ 78.43(3)°, V 2399(2) Å3 Z = 2, ρ{variant}calc 2.82 g cm-3. The structure was solved by the heavy atom method and refined (3223 reflections) to the final residuals R = 0.042 and Rw = 0.036. The molecule consists of two sulfido bridged open triosmium clusters which are linked by a bridging sulfido ligand and a bridging diphenylphosphino ligand. © 1984.

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