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Molecular Conformation of Pyridinic Aromatic Esters. II. Electronic Absorption Spectra and Dipole Moments by Semiempirical Methods

G. Buemi ; Istituto Dipartimentale di Chimica e Chimica Industriale dell'Universita di Catania, Citta Universitaria - Viale A. Doria 8, 95125 Catania, Italy
S. Fasone ; Istituto Dipartimentale di Chimica e Chimica Industriale dell'Universita di Catania, Citta Universitaria - Viale A. Doria 8, 95125 Catania, Italy
D. Grasso ; Istituto Dipartimentale di Chimica e Chimica Industriale dell'Universita di Catania, Citta Universitaria - Viale A. Doria 8, 95125 Catania, Italy
C. Gandolfo ; Istituto Dipartimentale di Chimica e Chimica Industriale dell'Universita di Catania, Citta Universitaria - Viale A. Doria 8, 95125 Catania, Italy

Puni tekst: engleski, pdf (4 MB) str. 213-221 preuzimanja: 46* citiraj
APA 6th Edition
Buemi, G., Fasone, S., Grasso, D. i Gandolfo, C. (1979). Molecular Conformation of Pyridinic Aromatic Esters. II. Electronic Absorption Spectra and Dipole Moments by Semiempirical Methods. Croatica Chemica Acta, 52 (3), 213-221. Preuzeto s https://hrcak.srce.hr/195876
MLA 8th Edition
Buemi, G., et al. "Molecular Conformation of Pyridinic Aromatic Esters. II. Electronic Absorption Spectra and Dipole Moments by Semiempirical Methods." Croatica Chemica Acta, vol. 52, br. 3, 1979, str. 213-221. https://hrcak.srce.hr/195876. Citirano 06.03.2021.
Chicago 17th Edition
Buemi, G., S. Fasone, D. Grasso i C. Gandolfo. "Molecular Conformation of Pyridinic Aromatic Esters. II. Electronic Absorption Spectra and Dipole Moments by Semiempirical Methods." Croatica Chemica Acta 52, br. 3 (1979): 213-221. https://hrcak.srce.hr/195876
Harvard
Buemi, G., et al. (1979). 'Molecular Conformation of Pyridinic Aromatic Esters. II. Electronic Absorption Spectra and Dipole Moments by Semiempirical Methods', Croatica Chemica Acta, 52(3), str. 213-221. Preuzeto s: https://hrcak.srce.hr/195876 (Datum pristupa: 06.03.2021.)
Vancouver
Buemi G, Fasone S, Grasso D, Gandolfo C. Molecular Conformation of Pyridinic Aromatic Esters. II. Electronic Absorption Spectra and Dipole Moments by Semiempirical Methods. Croatica Chemica Acta [Internet]. 1979 [pristupljeno 06.03.2021.];52(3):213-221. Dostupno na: https://hrcak.srce.hr/195876
IEEE
G. Buemi, S. Fasone, D. Grasso i C. Gandolfo, "Molecular Conformation of Pyridinic Aromatic Esters. II. Electronic Absorption Spectra and Dipole Moments by Semiempirical Methods", Croatica Chemica Acta, vol.52, br. 3, str. 213-221, 1979. [Online]. Dostupno na: https://hrcak.srce.hr/195876. [Citirano: 06.03.2021.]

Sažetak
The semiempirical MIM method was applied to calculate the
UV spectra of nine pyridine-aromatic-ester derivatives (having the
general formula R1-COO-R2) assuming a planar geometry. Benzene,
pyridine and formic acid were adopted as component systems.
The dipole moments of the same compounds were evaluated at the
MIM and INDO levels and the equilibrium percentage of the conformers
was deduced from experimental and theoretical values.
Comparable results were generally obtained. On the whole the
results are satisfactory but not sufficient to affirm with certainty
if the molecular skeleton is or is not planar.

Hrčak ID: 195876

URI
https://hrcak.srce.hr/195876

Posjeta: 97 *