scholarly journals Excited electronic states of thiophene: high resolution photoabsorption Fourier transform spectroscopy and ab initio calculations

2014 ◽  
Vol 16 (39) ◽  
pp. 21629-21644 ◽  
Author(s):  
D. M. P. Holland ◽  
A. B. Trofimov ◽  
E. A. Seddon ◽  
E. V. Gromov ◽  
T. Korona ◽  
...  
Keyword(s):  
Fourier Transform ◽  
High Resolution ◽  
Ab Initio Calculations ◽  
Ab Initio ◽  
Electronic States ◽  
Fourier Transform Spectroscopy ◽  
Excited Electronic States

The c3Π – b3Σ+ transition of CO near 8245 cm−1

1987 ◽  
Vol 65 (9) ◽  
pp. 1171-1177 ◽  
Author(s):  
I. Dabrowski ◽  
M. Vervloet ◽  
D.-C. Wang
Keyword(s):  
Fourier Transform ◽  
High Resolution ◽  
Near Infrared ◽  
Electronic States ◽  
Direct Determination ◽  
Fourier Transform Spectroscopy ◽  
Rotational Constants

A transition between two high-lying electronic states of CO, c3Π – b3Σ+, has been observed by high resolution Fourier transform spectroscopy, in the near infrared, around 8245 cm−1. The triplet splittings of both c3Π and b3Σ+ have clearly been observed. The value A = 1.504(12) cm−1 has been determined for c3Π and confirms the previous direct determination of Klopotek and Vidal (J. Opt. Soc. Am. B, 2, 869 (1985)). Because these states were found to be heavily perturbed, only the analysis and effective rotational constants are reported.

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