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Vibrational spectra and normal coordinate analysis for cis-diamminetetrachloroplatinum

✍ Scribed by Li Chong-de; Jiang Li-juan; Tang Wen-xia

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
231 KB
Volume
49
Category
Article
ISSN
1386-1425

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✦ Synopsis

The normal coordinate analysis of cb-diamminetetrachloroplatinum has been carried out by using a modified Urey-Bradiey force field. According to the molecular structure, 45 internal coordinates were established and 33 theoretical vibrational frequencies were calculated. Due to considering the interaction between non-ueighbouring stretching vibrations and between bending vibrations and introducing an appropriate set of internal coordinates in the course of calculation, the calculated frequencies agree well with the observed values, with an average difference 3.61 cm -1 between them. The rationality and the reliability of the results are discussed and the questionable empirical assignment of ~Pt-CI) in the literature is corrected.

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