Bound state spectroscopy of NH-He

The NH-He van der Waals complex was characterized via laser excitation of bands associated with the NH A (3)Pi-X (3)Sigma(-) transition. It was demonstrated that the ground state supports a bound level with a rotational constant of B"=0.334(2) cm(-1). These results are in agreement with the pre...

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Bibliographic Details
Published in:The Journal of chemical physics 2004-10, Vol.121 (16), p.7549-7552
Main Authors: Kerenskaya, Galina, Schnupf, Udo, Heaven, Michael C, van der Avoird, Ad
Format: Article
Language:English
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Summary:The NH-He van der Waals complex was characterized via laser excitation of bands associated with the NH A (3)Pi-X (3)Sigma(-) transition. It was demonstrated that the ground state supports a bound level with a rotational constant of B"=0.334(2) cm(-1). These results are in agreement with the predictions of recent high-level theoretical calculations. Spin-orbit predissociation of the excited complex was observed, and the spectra yield insights regarding the NH(A)+He potential energy surfaces.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1808416