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Vibrational spectroscopic study of the semiorganic nonlinear optical crystal bis(thiourea)cadmium chloride

✍ Scribed by V. Venkataramanan; H. L. Bhat; M. R. Srinivasan; P. Ayyub; M. S. Multani

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 400 KB
Volume: 28
Category: Article
ISSN: 0377-0486
DOI: 10.1002/(sici)1097-4555(199710)28:10<779::aid-jrs147>3.0.co;2-5

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✦ Synopsis

Polarized Raman and infrared spectra of bis(thiourea)cadmium chloride, a novel semiorganic nonlinear optical crystal, were recorded to determine the symmetries of molecular vibrations. The observed Raman and infrared bands are assigned to molecular vibrations of thiourea, cadmium-sulphur and cadmium-chloride bonds. The vibrational spectra are interpreted in the light of crystal structure data.

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Bis Thiourea Zinc Chloride (BTZC) a new semiorganic nonlinear optical material has been synthesized. The solubility studies have been carried out in the temperature range 30°-55°C. Single crystals of BTZC have been grown by slow evaporation of saturated aqueous solution at room temperature. The latt