期刊
CHEMICAL PHYSICS
卷 559, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.chemphys.2022.111545
关键词
Error-correction model; Potential energy surfaces; Ar-AgF
资金
- National Natural Science Foundation of China [11304095]
- Natural Science Foundation of Henan Province [202300410275]
- Young Backbone Teacher Cultivation Plan of Henan Province [2019GGJS103]
An error-correction model has been developed to accurately predict the pure rotational spectrum of Ar-AgF complex. The model is able to reproduce transition frequencies with a very small error, indicating its reliability and efficiency in predicting the spectroscopic parameters of the complex.
An error-correction model has been developed to predict pure rotational spectrum of Ar-AgF complex. Firstly, based on the geometry optimizations, bond length was determined for AgF of free monomer and in Ar-AgF complex, respectively. Then, a scaled bond length for AgF was obtained by introducing the value of free monomer observed experimentally. Subsequently, a two-dimensional intermolecular potential energy surface (PES) was constructed for Ar-AgF complex. Due to the intramolecular effects included and bond length corrected in the PES, this model could well reproduce transition frequencies with an error of 0.017% for the microwave spectrum of Ar-AgF complex. Furthermore, a full-dimensional PES was also constructed for comparison, and results of bound state calculations produced an error of 0.029%, suggesting that the error-correction model is reliable and efficient according to the excellent agreement between theoretical and experimental results from transition frequencies and spectroscopic parameters.
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