{2-[(ν5-Cyclopentadienyl)diphenylmethyl]-1H-imidazolido- κN}bis(N,N-diethylamido) titanium(IV)

Abstract

The chemically achiral title molecule, [Ti(C4H 10N)2-(C21H16N2)], crystallizes in the chiral space group P21. All three N atoms coordinating to the TiIV atom adopt planar environments [sums of valence angles = 359.5 (6), 360.0 (7) and 360.0 (6)°], which is indicative of pπ-dπ donation from all of these N atoms to the metal and, thus, of the formal 18 ē nature of the complex. The overall coordination about the TiIV atom is distorted tetrahedral, assuming the cyclopentadienyl ring occupies one coordination site. The Ti-Nimidazole amidetype bond is longer by approximately 0.16 Å than the other two Ti-Namide bonds.