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Petrignani A, Berg MH, Grussie F, et al. Communication: Visible line intensities of the triatomic hydrogen ion from experiment and theory. J Chem Phys. 2014;141(24):241104doi: 10.1063/1.4904440.
Petrignani, A., Berg, M. H., Grussie, F., Wolf, A., Mizus, I. I., Polyansky, O. L., Tennyson, J., Zobov, N. F., Pavanello, M., & Adamowicz, L. (2014). Communication: Visible line intensities of the triatomic hydrogen ion from experiment and theory. The Journal of chemical physics, 141(24), 241104. https://doi.org/10.1063/1.4904440
Petrignani, Annemieke, et al. "Communication: Visible line intensities of the triatomic hydrogen ion from experiment and theory." The Journal of chemical physics vol. 141,24 (2014): 241104. doi: https://doi.org/10.1063/1.4904440
Petrignani A, Berg MH, Grussie F, Wolf A, Mizus II, Polyansky OL, Tennyson J, Zobov NF, Pavanello M, Adamowicz L. Communication: Visible line intensities of the triatomic hydrogen ion from experiment and theory. J Chem Phys. 2014 Dec 28;141(24):241104. doi: 10.1063/1.4904440. PMID: 25554125.
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J Chem Phys. 2014 Dec 28;141(24):241104. doi: 10.1063/1.4904440.

Communication: Visible line intensities of the triatomic hydrogen ion from experiment and theory.

The Journal of chemical physics

Annemieke Petrignani, Max H Berg, Florian Grussie, Andreas Wolf, Irina I Mizus, Oleg L Polyansky, Jonathan Tennyson, Nikolai F Zobov, Michele Pavanello, Ludwik Adamowicz

Affiliations

  1. Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany.
  2. Institute of Applied Physics, Russian Academy of Science, Ulyanov Street 46, Nizhnii Novgorod 603950, Russia.
  3. Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom.
  4. Department of Chemistry, Rutgers University, Newark, New Jersey 07102, USA.
  5. Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, USA.

PMID: 25554125 DOI: 10.1063/1.4904440

Abstract

The visible spectrum of H3(+) is studied using high-sensitivity action spectroscopy in a cryogenic radiofrequency multipole trap. Advances are made to measure the weak ro-vibrational transitions from the lowest rotational states of H3(+) up to high excitation energies providing visible line intensities and, after normalisation to an infrared calibration line, the corresponding Einstein B coefficients. Ab initio predictions for the Einstein B coefficients are obtained from a highly precise dipole moment surface of H3(+) and found to be in excellent agreement, even in the region where states have been classified as chaotic.

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