The rovibronic spectrum of PbS in the range of 19520−22900 cm−1 are investigated using the laser ablation-laser induced fluorescence method. The spectra in this range are assigned as the transitions of A-X and B-X according to the spectral analyzation. The upper electronic state of the transition in the range of 19520−22900 cm−1 is analyzed and discussed, and it is concluded that the upper state, A, is a mixture of and states, the state is in domination. The spectrum in the range of 22025−22900 cm−1 is assigned as the transition. The molecular constants of these two transitions are derived from the observed spectra. The Frank-Condon factors (FCFs) of these two transitions are also calculated using the RKR/LEVEL method. All the results are compared with the reported theoretical and experimental results, showing that the A state is a mixing state which is in consistent with Balasubramanian's relativistic configuration interaction calculation result. And our calculated FCFs are in agreement with our recorded spectra.
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February 2023
Research Article|
February 01 2023
Rovibronic spectrum of PbS in 19520–22900 cm−1
Special Collection:
Virtual Issue on Molecular Spectroscopy (2023)
Yini Chen;
Yini Chen
State key laboratory of Precision Spectroscopy, East China Normal University
, Shanghai 200241, China
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Ben Chen;
Ben Chen
State key laboratory of Precision Spectroscopy, East China Normal University
, Shanghai 200241, China
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Jinping Yin;
Jinping Yin
State key laboratory of Precision Spectroscopy, East China Normal University
, Shanghai 200241, China
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Hailing Wang
Hailing Wang
*
State key laboratory of Precision Spectroscopy, East China Normal University
, Shanghai 200241, China
*Author to whom correspondence should be addressed. E-mail: [email protected]
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*Author to whom correspondence should be addressed. E-mail: [email protected]
Chin. J. Chem. Phys. 36, 35–40 (2023)
Article history
Received:
January 12 2022
Accepted:
March 09 2022
Citation
Yini Chen, Ben Chen, Jinping Yin, Hailing Wang; Rovibronic spectrum of PbS in 19520–22900 cm−1. Chin. J. Chem. Phys. 1 February 2023; 36 (1): 35–40. https://doi.org/10.1063/1674-0068/cjcp2201008
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