Multipolar complexes–II The self association of ‐NO2 ‐CN and ‐COCN polar groups
- 1 October 1969
- journal article
- research article
- Published by Wiley in Magnetic Resonance in Chemistry
- Vol. 1 (5) , 375-388
- https://doi.org/10.1002/mrc.1270010505
Abstract
Fluorine nuclear magnetic resonance (F‐NMR) has been used to determine dissociation constants for multipolar complexes formed by several p‐substituted fluorobenzenes in CCl4 and cyclohexane at 25°. Data in CCl4 were also obtained at −20°. The results are interpreted in simplified terms as dipole‐dipole interactions which lead to a complex of net zero dipole moment. Although the dissociation constants are not of high accuracy, the values obtained do indicate that both polarity and steric effects are important in the presumed multipolar complexes.Keywords
This publication has 5 references indexed in Scilit:
- Hindered internal rotation and dimerization of N,N-dimethylformamide in carbon tetrachlorideJournal of the American Chemical Society, 1969
- Regarding proton transfer in hydrogen-bonded complexes as measured by fluorine nuclear magnetic resonanceJournal of the American Chemical Society, 1967
- A fluorine nuclear magnetic resonance shielding study of substituent effects on charge distributions in benzophenone and its Lewis acid adductsJournal of the American Chemical Society, 1967
- Multipolar Complexes. I. The Dimerization of Nitrobenzene1Journal of the American Chemical Society, 1965
- Fluorine Nuclear Magnetic Resonance Shielding in meta-Substituted Fluorobenzenes. The Effect of Solvent on the Inductive OrderJournal of the American Chemical Society, 1963