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Bond-length corrections for external and internal vibrations in urea

✍ Scribed by Scheringer, C.


Book ID
114522821
Publisher
International Union of Crystallography
Year
1980
Weight
610 KB
Volume
36
Category
Article
ISSN
0567-7394

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External, internal and semi-internal vib
✍ Paras N. Prasad; Raoul Kopelman πŸ“‚ Article πŸ“… 1973 πŸ› Elsevier Science 🌐 English βš– 508 KB

A new method to identify the nature of vibrations in molecular crystals as external oi internal is proposed. The criterion is that in isotopic mi..ed crystals of protonaled and ccrresponding perdeuterated compounds, the external motions (phonons) are in the amal,grnation limit, while the internal mo