Two complexes derived from the reaction of M3(CO)12 clusters (M = Ru, Os) with the 9-(triphenylphosphonio)fluorenide ylide: tricarbonyl[9-(triphenylphosphonio)fluorenylidene]ruthenium and nonacarbonyl-μ3-fluorenylidene-μ2-hydrido-triangulo-triosmium(III)

• Published in: Acta crystallographica. Section C, Crystal structure communications Vol. 69; no. 4; pp. 363 - 366
• Main Authors: Arce, Alejandro, De Sanctis, Ysaura, Galarza, Esperanza, Garland, María Teresa, Baggio, Ricardo
• Format: Journal Article
• Language: English
• Published: 5 Abbey Square, Chester, Cheshire CH1 2HU, England International Union of Crystallography 01-04-2013
• ISSN: 0108-2701; 1600-5759
• DOI: 10.1107/S0108270113005489

Tricarbonyl[9‐(triphenylphosphonio)fluorenylidene]ruthenium, [Ru(C31H21P)(CO)3], (I), is mononuclear, consisting of a single Ru centre, to which three carbonyl units and a chelating μ3‐9‐(triphenylphosphonio)fluorenide ylide bind to generate a distorted octahedral RuC6 core. Nonacarbonyl‐μ3‐fluorenylidene‐μ2‐hydrido‐triangulo‐triosmium(III), [Os3H(C13H7)(CO)9], (II), is trinuclear and presents a triangular triosmium core, nine carbonyl ligands and one fluorenylidene ligand. Two of the OsIII centres present a highly distorted hexacoordinated Os(Os2C4) core and are in turn bridged by a hydride ligand. The remaining OsIII cation is octacoordinated, with an Os(Os2C6) nucleus. The crystal structures of both compounds are the result of nondirectional forces, much resembling the packing of weakly interacting quasi‐spherical units, viz. the molecules themselves in (I) and centrosymmetric π–π‐bonded dimers in (II).