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Semiempirical MNDO Study of Phenyl-sydnone and its Protonated Forms

Mirjana Eckert-Maksić ; Department of Organic Chemistry and Biochemistry, »Rudjer Bošković
Zvonimir B. Maksić ; Theoretical Chemistry Group, »Rudjer Bošković" Institute, 41001 Zagreb, Yugoslavia

Puni tekst: engleski, pdf (7 MB) str. 15-27 preuzimanja: 108* citiraj
APA 6th Edition
Eckert-Maksić, M. i Maksić, Z.B. (1985). Semiempirical MNDO Study of Phenyl-sydnone and its Protonated Forms. Croatica Chemica Acta, 58 (1), 15-27. Preuzeto s https://hrcak.srce.hr/177736
MLA 8th Edition
Eckert-Maksić, Mirjana i Zvonimir B. Maksić. "Semiempirical MNDO Study of Phenyl-sydnone and its Protonated Forms." Croatica Chemica Acta, vol. 58, br. 1, 1985, str. 15-27. https://hrcak.srce.hr/177736. Citirano 09.03.2021.
Chicago 17th Edition
Eckert-Maksić, Mirjana i Zvonimir B. Maksić. "Semiempirical MNDO Study of Phenyl-sydnone and its Protonated Forms." Croatica Chemica Acta 58, br. 1 (1985): 15-27. https://hrcak.srce.hr/177736
Harvard
Eckert-Maksić, M., i Maksić, Z.B. (1985). 'Semiempirical MNDO Study of Phenyl-sydnone and its Protonated Forms', Croatica Chemica Acta, 58(1), str. 15-27. Preuzeto s: https://hrcak.srce.hr/177736 (Datum pristupa: 09.03.2021.)
Vancouver
Eckert-Maksić M, Maksić ZB. Semiempirical MNDO Study of Phenyl-sydnone and its Protonated Forms. Croatica Chemica Acta [Internet]. 1985 [pristupljeno 09.03.2021.];58(1):15-27. Dostupno na: https://hrcak.srce.hr/177736
IEEE
M. Eckert-Maksić i Z.B. Maksić, "Semiempirical MNDO Study of Phenyl-sydnone and its Protonated Forms", Croatica Chemica Acta, vol.58, br. 1, str. 15-27, 1985. [Online]. Dostupno na: https://hrcak.srce.hr/177736. [Citirano: 09.03.2021.]

Sažetak
The electronic and geometric structure of the phenylsydnone and its conjugated acids is investigated by the semiempirical MNDO method. A comparison of the interatomic bond distances and bond angles with available experimental data for the parent compound reveals only qualitative accordance. It appears that the MNDO method is unable to reproduce finer details of the molecular geometry of sydnones. The gross changes caused by protonation are described, however, in agreement with chemical intuition .and available experimental data. The variation in geometric parameters is interpreted in terms of rehybridization and :n-electron bond orders. The most stable conjugated acid is that with a proton bonded to the keto-oxygen in accordance with the highest electron density concentration.

Hrčak ID: 177736

URI
https://hrcak.srce.hr/177736

Posjeta: 218 *