Crystal structure of hepta-kis-(2,6-di-methyl-phenyl isocyanide-κC)vanadium(I) iodide

Mikhail E Minyaev; John E Ellis

doi:10.1107/S2056989015006015

Crystal structure of hepta-kis-(2,6-di-methyl-phenyl isocyanide-κC)vanadium(I) iodide

Acta Crystallogr E Crystallogr Commun. 2015 Mar 28;71(Pt 4):431-4. doi: 10.1107/S2056989015006015. eCollection 2015 Apr 1.

Authors

Mikhail E Minyaev¹, John E Ellis²

Affiliations

¹ A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prospect, 119991, Moscow, Russian Federation.
² University of Minnesota, 207 Pleasant Str. SE, Minneapolis, MN 55455, USA.

Abstract

The title salt, [V(C9H9N)7](+)I(-) or [V(CNX-yl)7](+)I(-) (Xyl is 2,6-di-methyl-phen-yl), crystallized from tetra-hydro-furan at low temperatures after reacting (Et4N)(+)[V(CO)6](-), excess of CNXyl and iodine. The complex cation and the two crystallographically different iodide anions, each located on a different glide plane, are well separated in the crystal structure. The V(CN)7 core of the cation has the form of a distorted monocapped trigonal prism. This compound is of inter-est as the first isolable homoleptic seven-coordinate vanadium analog of the 18-electron [V(CO)7](+) monocation.

Keywords: crystal structure; homoleptic seven-coordinate vanadium(I) complex; iodide,; isocyanide.