Cluster chemistry XXV *. Synthesis and structure of Ru4(μ4-η2, P-HCCC6H4PPh2)(CO)11·0.5CH2Cl2期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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*Cluster chemistry XXV . Synthesis and structure of Ru₄(μ₄-η², P-HCCC₆H₄PPh₂)(CO)₁₁·0.5CH₂Cl₂**

Authors:	Michael I Bruce Ernst Horn Michael R Snow Michael L Williams

Institution:	Jordan Laboratories, Department of Physical and Inorganic Chemistry, University of Adelaide, Adelaide, South Australia 5000 Australia

Abstract:	The olefinic tertiary phospine complex Ru₃(CO)₁₀(μ-η², P-CH₂CHC₆H₄PPh₂) is converted to the title μ₄-alkyne-Ru₄ cluster at 135°C; the latter is also formed from H₂Ru₃(μ₃-η², P-HCCC₆H₄PPh₂)(CO)₈ and Ru₃(CO)₁₂. Crystals of the Ru₄ complex are monoclinic, space group P2₁, with a 8.700(3), b 17.611(3), c 11.926(2) Å, β 102.720(3)°, with Z = 2; 1702 data (I > 2.5 (σ)I) were refined to R = 0.026, R_w = 0.028. The molecule contains a distorted octahedral Ru₄C₂ core, one carbon of which is attached to an o-C₆H₄PPh₂ moiety coordinated via P to a wing-tip Ru of the Ru₄ butterfly.

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