The spectroscopic study of intramolecular hydrogen bonds of a large nu!nber of compounds was developed by Wulf et al (1). They showed that the change in frequency of vibration occurs at about 7000 cm-l (in wave-number units) corresponding essentially to th? stretching of O-H and N-H bonds in molecul
โฆ LIBER โฆ
Effects of intramolecular hydrogen bonding on the absorption transition energies of 2-hydroxy-5-methylazobenzene
โ Scribed by S. Millefiori; A. Millefiori; F. Guerrera
- Book ID
- 113374509
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 259 KB
- Volume
- 36
- Category
- Article
- ISSN
- 1386-1425
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Ab initio 3CF and SCP Cl caJcuJatjons ~4th Zhe STO-3C basis set have been pcrformcd in this study of the effect of jntramolccubr hydrogen bonding on n orbital cncrgjcs and n -r I?\* transition encrgiw in ,&hydroxyacrofcin. In the hydrogen bonded C, form, the n orbital is stabWed and the n -+ s\* tnn