Ab initio STO-3G calculations with partial geometry optimization were performed to determine the conformational structure of 2,2′- and 4,4′-bipyridine dications and their cation radicals. The results suggest a considerably twisted conformation for the dications, whereas the corresponding radical cations are nearly planar. Reasons for the structure differences are discussed and related to the herbicidal action of these compounds.
On the conformation of bipyridine dications and cation radicals
CIMIRAGLIA, Renzo;
1986
Abstract
Ab initio STO-3G calculations with partial geometry optimization were performed to determine the conformational structure of 2,2′- and 4,4′-bipyridine dications and their cation radicals. The results suggest a considerably twisted conformation for the dications, whereas the corresponding radical cations are nearly planar. Reasons for the structure differences are discussed and related to the herbicidal action of these compounds.File in questo prodotto:
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