Electric dipole moments and chemical bonding of diatomic alkali–alkaline earth molecules

Johann Valentin Pototschnig, Andreas Hauser, Wolfgang E. Ernst

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We investigate the properties of alkali–alkaline earth diatomic molecules in the lowest Σ+ states of the doublet and quartet multiplicity by ab initio calculations. In all sixteen cases studied, the permanent electric dipole moment points in opposite directions for the two spin states. This peculiarity can be explained by molecular orbital theory. We further discuss dissociation energies and bond distances. We analyze trends and provide an empirically motivated model for the prediction of the permanent electric dipole moment for combinations of alkali and alkaline earth atoms not studied in this work.
Original languageEnglish
Pages (from-to)5964-5973
JournalPhysical chemistry, chemical physics
Volume18
DOIs
Publication statusPublished - 27 Jan 2016

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Electric dipole moments
electric moments
electric dipoles
dipole moments
Earth (planet)
Molecules
Alkalies
Molecular orbitals
diatomic molecules
molecules
alkalies
molecular orbitals
dissociation
trends
Atoms
predictions
atoms
energy
Direction compound

Fields of Expertise

  • Advanced Materials Science

Treatment code (Nähere Zuordnung)

  • Basic - Fundamental (Grundlagenforschung)
  • Theoretical

Cite this

Electric dipole moments and chemical bonding of diatomic alkali–alkaline earth molecules. / Pototschnig, Johann Valentin; Hauser, Andreas; Ernst, Wolfgang E.

In: Physical chemistry, chemical physics, Vol. 18, 27.01.2016, p. 5964-5973.

Research output: Contribution to journalArticleResearchpeer-review

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