Molecular Parameters for HF

NRAO National Radio Astronomy Observatory


Laboratory measurements by Jennings et al. J. Mo. Spec. 122, 477 (1987). See also Nolt et al. (1987) J. Mol. Spec. 125, 274.


  • Molecular Constants:
  • B = 616365.199 (75) MHz
  • D = 63.5532(41) (14) MHz
  • Dipole Moment 1.826 Debye (Muenter (1972) J. Chem. Phys. 56, 5409)


    • Interstellar detection by Neufeld, D. A., Zmuidzinas, J., Schilke, P., and Phillips, T. G. In Astrophysical Journal (Letters), 1997 (in press).

    A preprint is available at LANL. One line, J=2-1, observed toward the Giant Molecular Cloud SgrB2 indicate the molecule has an abundance of 3 x 10-10 relative to H2. The molecular absorption was detected with the Infrared Space Observatory (ISO) Long Wavelength Spectrometer.


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