scholarly journals Theoretical research of the electronic absorption spectrum of fullerene clusters from C 20 to C 100 using semi-empirical methods

2019 ◽  
Vol 126 (1) ◽  
pp. 55-59
Author(s):  
А.Қ. Смагулова ◽  
Keyword(s):  
Absorption Spectrum ◽  
Electronic Absorption Spectrum ◽  
Electronic Absorption ◽  
Theoretical Research ◽  
Empirical Methods ◽  
Fullerene Clusters ◽  
Semi Empirical

Ortho effects on the change in electronic absorption spectrum of pyridinium salts of saturated bromohydrocarbon

2009 ◽  
Vol 74 (5) ◽  
pp. 1084-1089 ◽  
Author(s):  
Jin-Ling Song ◽  
Li-Ming Gong ◽  
Shou-Ai Feng ◽  
Jiang-Hong Zhao ◽  
Jian-Feng Zheng ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Electronic Absorption Spectrum ◽  
Electronic Absorption ◽  
Pyridinium Salts

The electronic spectra of phenyl radicals

1965 ◽  
Vol 287 (1411) ◽  
pp. 457-470 ◽  
Keyword(s):  
Absorption Spectrum ◽  
Electronic Absorption Spectrum ◽  
Electronic Absorption ◽  
Ground State ◽  
Electronic Spectra ◽  
Flash Photolysis ◽  
Visible Region ◽  
Electronic Configuration ◽  
Vibrational Structure ◽  
Fundamental Frequencies

An electronic absorption spectrum, attributed to phenyl, has been observed in the visible region with origin at 18 908 cm -1 after flash photolysis of benzene and halogenobenzenes. Similar spectra of fluoro, chloro and bromo phenyl are observed after flash photolysis of disubstituted benzenes. The vibrational structure of the phenyl spectrum has been analysed in terms of two fundamental frequencies at 571 and 896 cm -1 which correspond to the e 2 g and a 1 g frequencies of the B 2 u state of benzene. The ground state of phenyl has a π 6 n electronic configuration and the observed transition is interpreted as 2 A 1 → 2 B 1 resulting from a π → n excitation.

The nature of the electronic absorption spectrum of 1, 3, 5-triphenylpyrazoline-?2

1971 ◽  
Vol 14 (2) ◽  
pp. 221-224 ◽  
Author(s):  
O. G. Korneeva ◽  
L. M. Kutsyna ◽  
V. G. Tishchenko
Keyword(s):  
Absorption Spectrum ◽  
Electronic Absorption Spectrum ◽  
Electronic Absorption
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