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Synthesis and characterization of triarylphosphine complexes of zinc(II) halides

✍ Scribed by Ashok K. S. Chauhan; Narendra Singh; Ramesh C. Srivastava

Publisher: John Wiley and Sons
Year: 2003
Tongue: English
Weight: 91 KB
Volume: 17
Category: Article
ISSN: 0268-2605
DOI: 10.1002/aoc.527

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✦ Synopsis

Both 1 : 1 and 1 : 2 complexes are formed by zinc(II) halides and triarylphosphines unless electronic and/or steric factors intervene. Tri-p-chlorophosphine (a weaker base than PPh 3 ) forms only a 1 : 1 complex, whereas bulky tri-(ortho-substituted phenyl)phosphines do not react. The complexes ZnX 2 PR 3 and ZnX 2 (PR 3 ) 2 have been characterized by elemental analyses, conductance, far-IR and (in a few cases) Raman spectral studies. The Zn-X and Zn-P stretching and Zn-X bending vibrational frequencies have been assigned in the complexes with a pseudo-tetrahedral structure of C 2v symmetry.

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