Acta Cryst. (2005). E61, m2613-m2615  [ doi:10.1107/S1600536805036639 ]

1-Acetonitrile-3-chloro-1,2-(-3,5-dinitrobenzoato-²O,O')-1-(triphenylphosphine-P)-closo-1-ruthenaundecaborane

Q.-L. Guo, J.-M. Dou, L.-B. Wu, D.-C. Li and D.-Q. Wang

Abstract: The title cluster, [Ru(C₇H₁₁B₁₀ClN₂O₆)(C₂H₃N)(C₁₈H₁₅P)] or [1,2-{3,5-(NO₂)₂(C₆H₃)COO}-1-(PPh₃)-1-(CH₃CN)-3-Cl-1-RuB₁₀H₈], has an iso-closo 11-vertex RuB₁₀ core geometry with the metal occupying the unique six-connected apical position, giving the characteristic 11-vertex iso-closo [MB₁₀] metalloborane 1:2:4:2:2 stack. The ruthenium centre has three exo-polyhedral ligands: one triphenylphosphine, one acetonitrile and one 3,5-dinitrobenzoate, which is coordinated through Ru-O and B-O bonds, resulting in an exocyclic five-membered Ru/O/C/O/B ring.

Online 16 November 2005

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