Synthesis and X-ray crystal structures of [Ru4H4(CO) 11(PPh3)] and [Ru4−x IrxH2−x(CO) 12(PPh3) ] (x = 0 or 1)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

Synthesis and X-ray crystal structures of [Ru₄H₄(CO) ₁₁(PPh₃)] and [Ru_4−x Ir_xH_2−x(CO) ₁₂(PPh₃) ] (x = 0 or 1)

Authors:	Aapo U. H rk nen, Markku Ahlgr n, Tapani A. Pakkanen,Jouni Pursiainen

Affiliation:	^aDepartment of Chemistry, University of Joensuu, P.O. Box 111, FIN-80101 Joensuu, Finland ^bDepartment of Chemistry, University of Oulu, Linnanmaa, FIN-90571 Oulu, Finland

Abstract:	Three tetranuclear clusters [Ru₄H₄(CO)₁₁(PPh₃)] (1), [Ru₄H₂(CO)₁₂(PPh₃)] (2) and [Ru₃IrH(CO)₁₂(PPh₃)] (3) were formed in the reaction of [Ir(CO)Cl(PPh₃)₂] and Na[Ru₃H(CO)₁₁] in tetrahydrofuran. Complexes 1–3 were characterized by IR and ¹H and ³¹P NMR, and the structure of the clusters was confirmed by single crystal X-ray analysis. In 2 and 3 one of the carbonyls bridges between two ruthenium atoms; otherwise the compounds contain only terminal carbonyls.

Keywords:	Ruthemiun Cluster Crystal structure Iridium Carbonyl
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