Determination of the molecular dipole moment of bromofluoromethane: Microwave Stark spectra and ab initio calculations

  • Cazzoli G
  • Puzzarini C
  • Baldacci A
 et al. 
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Abstract

The electric dipole moment of bromofluoromethane, CH279BrF, has been determined with a good accuracy by observing the second order ΔMJ= 0 Stark spectrum of the J = 32,1← 31,2, J = 52,3← 51,4and J = 52,4← 51,5rotational transitions. In addition, the equilibrium geometry and dipole moment have been evaluated using highly accurate ab initio calculations. By comparing the experimental [μa= 0.3466(11) D and μb= 1.704(26) D] and theoretical [μa= -0.339 D and μb= -1.701 D] dipole moment components, a very good agreement has been found. © 2006 Elsevier Inc. All rights reserved.

Author-supplied keywords

  • Ab initio calculations
  • CH279BrF
  • Dipole moment
  • Rotational spectroscopy
  • Stark effect

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Authors

  • Gabriele Cazzoli

  • Cristina Puzzarini

  • Agostino Baldacci

  • Alessandro Baldan

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