The polar nature of 2,1,3-benzoxadiazole, -benzothiadiazole, -benzoselenadiazole and derivatives as determined by their electric dipole moments

Autor:	Laurence Huestis, Chris Chandler, Phillip Peters, F. L. Tobiason, Svend E. Pedersen
Rok vydání:	1973
Předmět:	Bond dipole moment Organic Chemistry chemistry.chemical_element Sulfur Oxygen Dipole Crystallography chemistry.chemical_compound chemistry Computational chemistry Moment (physics) Nitro Benzene Selenium
Zdroj:	Journal of Heterocyclic Chemistry. 10:773-778
ISSN:	1943-5193 0022-152X
DOI:	10.1002/jhet.5570100516
Popis:	Permanent electric dipole moments have been determined in benzene solutions at 25° for the oxygen, sulfur, and selenium series of 2,1,3-benzodiazoles. The derivatives studied contained 4, 5, and 6 substituted methyl, chloro, nitro, and amino groups. The dipole moment data of the derivatives were analyzed relative to that of the parent species which allowed deductions to be made about the mesomeric structures operating in the compounds. The mesomeric charge transfer increases regularly from the oxygen to the selenium structures, being nearly undetected in 2,1,3-benzoxadiazole derivatives and very pronounced in the 2,1,3-benzoselenadiazoles.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::750a7d3a8055ea54ff44e10aa400893d https://doi.org/10.1002/jhet.5570100516 Zobrazit plný text záznamu Plný text