Abstract
In the monomeric title titanium(III) compound, [Ti(C12H21N2Si)2Cl], the metal atom is surrounded by two N–silylated anilide ligands in an N,N′′-chelating mode. The two ends of the N—Si—N chelating unit exhibit different affinity to the metal center. The Ti—Namine bond is longer than the Ti—Nanilide bond by about 0.29 Å. The two ligands are arranged trans to each other and the molecule demonstrates a pseudo-twofold rotation along the axis of the Ti—Cl bond. The five–coordinate Ti atom demonstrates a highly distorted trigonal-bipyramidal geometry.
Highlights
In the monomeric title titanium(III) compound, [Ti(C12H21N2Si)2Cl], the metal atom is surrounded by two N–silylated anilide ligands in an N,N00-chelating mode
The Ti—Namine bond is longer than the Ti—Nanilide bond by about 0.29 A
The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry
Summary
In the monomeric title titanium(III) compound, [Ti(C12H21N2Si)2Cl], the metal atom is surrounded by two N–silylated anilide ligands in an N,N00-chelating mode. The two ends of the N—Si—N chelating unit exhibit different affinity to the metal center. The two ligands are arranged trans to each other and the molecule demonstrates a pseudo-twofold rotation along the axis of the Ti—Cl bond. For amido titanium compounds as olefin polymerization catalyts, see: Alesso et al (2008); Oakes et al (2004); Tabernero et al (2009). For catalytic applications of related N–silylated analido group-4-metal compounds towards olefin polymerization, see: Gibson et al (1998); Hill & Hitchcock (2002); Yuan et al (2010). For related organometallic compounds with analogous analido ligands, see: Schumann et al (2000); Chen (2008, 2009).
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