title: Tris(dimethylamido)bis(dimethylamine)titanium(IV) chloridobis(dimethylamine)[tris(pentafluorophenyl)boron-amido][tris(pentafluorophenyl)boron-nitrido]titanate(IV) toluene solvate.
abstract: The title ionic solid, [Ti(C(2)H(6)N)3(C(2)H(7)N)2][Ti(C(18)BF(15)N)(C(18)H(2)BF(15)N)Cl(C(2)H(7)N)(2)].C(7)H(8), (I), comprises a cation with three dimethylamide ligands in the equatorial plane and two dimethylamine ligands positioned axially in a trigonal-bipyramidal geometry about the central Ti(IV) atom. The anion has a highly distorted octahedral structure. The two dimethylamine ligands are coordinated mutually trans. The chloride is trans to the tris(pentafluorophenyl)boron-amide, while the sixth coordination site is occupied by an ortho-F atom of the tris(pentafluorophenyl)boron-amide group in a trans disposition with respect to the tris(pentafluorophenyl)boron-nitride ligand. The most significant feature of the anion is the presence of an unprecedented terminal Ti[triple-bond]N moiety [1.665 (2) A], stabilized by coordination to B(C(6)F(5))(3), with a Ti[triple-bond]N-B angle of 169.50 (19) degrees.
authors.affiliation: School of Chemical Sciences and Pharmacy, University of East Anglia, Norwich NR4 7TJ, England.
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Mountford
authors.forename: Simon J
authors.initials: SJ
authors.lastname: Lancaster
authors.forename: Simon J
authors.initials: SJ
authors.lastname: Coles
mesh_terms: D000838:Anions / Q000737:chemistry; D008958:Models, Molecular; D008968:Molecular Conformation; D009942:Organometallic Compounds / Q000737:chemistry*; D014025:Titanium / Q000737:chemistry*; D014050:Toluene / Q000737:chemistry
chemical_list: D000838:Anions; D009942:Organometallic Compounds; D014050:Toluene; D014025:Titanium