Abstract

The matrix isolation technique has been employed to isolated intermediate 1:1 molecular complexes of TiCl 4 with H 2S, CH 3SH and (CH 3) 2S. Each complex was subsequently characterized by infrared spectroscopy, and distinctive vibrational modes characteristic of complex formation were identified. These include two Ti–Cl stretching modes at low energy, and one or more vibrational modes of the coordinated base. In addition, hydrogen bonded complexes of each of these bases with HCl were observed, due to the presence of residual HCl in samples of TiCl 4. Merged jet copyrolysis experiments were then conducted for each pair of reagents. In contrast to the analogous oxygen bases, no new intermediates were observed with pyrolysis temperatures as high at 375°C, although indirect evidence of further reaction was obtained. © 1997 Elsevier Science B.V.

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