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Vibrational spectra and normal mode calculations of 1,2,5-telluradiazole

✍ Scribed by M. Muǹiz-Miranda; G. Sbrana; V. Bertini; F. Lucchesini; E. Benedetti; A. De Munno

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
485 KB
Volume
40
Category
Article
ISSN
1386-1425

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✦ Synopsis

The vibrational spectrum of 1,2,5-telluradiazole is investigated in the 400&50 cm-' region by i.r. and Raman spectroscopy. Infrared spectra of solid samples are also measured at 10 K.

A satisfactory assignment of all the fundamentals is obtained by employing a valence force field which provided a complete set of normal coordinates suitable to describe the vibrational spectra of selenophene, tellurophene and 1,2,5-selenadiazole.

Relations between the vibrational snectrum and the pseudopolymeric crystal structure of 1,2,5telluradiazole are discussed.

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✍ G. Klausberger; K. Furić; L. Colombo 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 477 KB 👁 1 views

## Abstract Raman and infrared spectroscopic studies of benzoic acid dimers and crystals have been made. Molecular and crystal normal modes have been calculated. An assignment of the observed spectra has been proposed and some specific modes discussed.