Electronic ground state of Ni 2 +

V. Zamudio-Bayer, R. Lindblad, C. Bülow, G. Leistner, A. Terasaki, B. V. Issendorff, J. T. Lau

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Abstract

The Φ9/24 ground state of the Ni2+ diatomic molecular cation is determined experimentally from temperature and magnetic-field-dependent x-ray magnetic circular dichroism spectroscopy in a cryogenic ion trap, where an electronic and rotational temperature of 7.4±0.2 K was reached by buffer gas cooling of the molecular ion. The contribution of the spin dipole operator to the x-ray magnetic circular dichroism spin sum rule amounts to 7Tz=0.17±0.06μB per atom, approximately 11% of the spin magnetic moment. We find that, in general, homonuclear diatomic molecular cations of 3d transition metals seem to adopt maximum spin magnetic moments in their electronic ground states.

Original languageEnglish
Article number194302
JournalJournal of Chemical Physics
Volume145
Issue number19
DOIs
Publication statusPublished - Nov 21 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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    Zamudio-Bayer, V., Lindblad, R., Bülow, C., Leistner, G., Terasaki, A., Issendorff, B. V., & Lau, J. T. (2016). Electronic ground state of Ni 2 +. Journal of Chemical Physics, 145(19), [194302]. https://doi.org/10.1063/1.4967821