The FT-Raman spectra of a series of mechanically prepared MgCl 2 -TiCl 4 samples with increasing content of TiCl 4 have been recorded. Raman scattering lines in the range 600-100 cm -1 reveal the formation of TiCl 4 molecules complexed on the lateral cuts of activated MgCl 2 crystals. This pattern o
✦ LIBER ✦
TiCl4 diester complexes: Relationships between the crystal structures and properties of Ziegler-Natta catalysts
✍ Scribed by Heikki J. Kakkonen; Jouni Pursiainen; Tapani A. Pakkanen; Markku Ahlgrén; Eero Iiskola
- Book ID
- 107812517
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 932 KB
- Volume
- 453
- Category
- Article
- ISSN
- 0022-328X
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## Abstract **Caught in the act**: An alkyl alkene Zr^IV^ complex (see picture; Cp=C~5~H~5~) has been synthesized and characterized for the first time. The alkene bonding mode is highly asymmetric, and C2 is quite carbocationic. There is also evidence for rotation about the C1C2 bond. This extreme