The frequencies of the 'L, transitions of polycyclic aromatic aldehydes are related linearly to the energy gap between the highest bonding and the lowest anti-bonding orbitals in these molecules calculated by an iterative Huckel-L. C. A.0.-method. Solutions of the same derivatives and tetracyanoethy
✦ LIBER ✦
Approche théorique de la corrélation “fréquence δ(CH2-structure” mise en évidence dans les dérivés carbonylés
✍ Scribed by Jean-Pierre Lere-Porte; Catherine Maury; Jean Petrissans
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 181 KB
- Volume
- 250
- Category
- Article
- ISSN
- 0022-2860
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Correlations between mass spectra and molecular structure are attempted in a series of cis and trans 1,2-diaIkylcyclohexanes previously investigated. Rather large differences appear between abundances of main fragment ions, especially (P-R1)+ (parent ion having lost the Rl group) and (P-Rl-H)+, some