An accurate non-Born-Oppenheimer calculation of the first purely vibrational transition in LiH molecule

Sergiy Bubin, Ludwik Adamowicz, Marcin Molski

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

In this work we study the ground and the first vibrationally excited states of LiH molecule. We performed an extensive nonrelativistic variational calculations of the two states without using the Born-Oppenheimer approximation. The results are analyzed and compared with the data extracted from recent experiments. The 0←1 transition energy obtained in the calculations converged to a value which is less than a wave number above the transition energy estimated from the available experimental data concerning the LiH rovibrational transitions. We discuss the remaining discrepancy and the procedure used to determine the "experimental" transition frequencies.

Original languageEnglish
Article number134310
JournalJournal of Chemical Physics
Volume123
Issue number13
DOIs
Publication statusPublished - Oct 3 2005
Externally publishedYes

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Born approximation
Molecules
Excited states
molecules
Born-Oppenheimer approximation
Experiments
energy
excitation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

An accurate non-Born-Oppenheimer calculation of the first purely vibrational transition in LiH molecule. / Bubin, Sergiy; Adamowicz, Ludwik; Molski, Marcin.

In: Journal of Chemical Physics, Vol. 123, No. 13, 134310, 03.10.2005.

Research output: Contribution to journalArticle

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