Bi- and ter-molecular electron donor–acceptor complex formation between hexamethylbenzene and 1,3,5-trinitrobenzene, and also between NNN′N′-tetramethyl-p-phenylenediamine and 1,3,5-trinitrobenzene in solution
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 13,p. 1590-1594
- https://doi.org/10.1039/p29760001590
Abstract
The dependence of the line position in the 1H n.m.r. spectra of dilute solutions of the electron acceptor (A) 1, 3, 5-trinitrobenzene on the concentration of excess of the electron donor (D) hexamethylbenzene in various paraffinic solvents has been interpreted in terms of equilibria involving the complex species DA and D2A. The equilibrium quotients have been evaluated on several concentration scales. The same interpretation provides a satisfactory explanation for similar observations involving the interaction of NNN′N′-tetramethyl-p-phenylenediamine with 1, 3, 5-trinitrobenzene. The results are in accord with those obtained from optical measurements. Activity coefficient effects in themselves appear to be too small to provide an alternative explanation of the observed behaviour.Keywords
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