Rotational frequencies of transition metal hydrides for astrophysical searches in the far-infrared

Details Rotational frequencies of transition metal hydrides for astrophysical searches in the far-infrared Rotational frequencies of transition metal hydrides for astrophysical searches in the far-infrared

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...414l.125b&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 414, no. 2, p. L125-L127.

Astronomy and Astrophysics

Astronomy

10

Electron Transitions, Far Infrared Radiation, Infrared Astronomy, Interstellar Matter, Metal Hydrides, Molecular Rotation, Ground State, Infrared Spectra, Magnetic Resonance, Molecular Energy Levels

Scientific paper

Accurate frequencies for the lowest rotational transitions of five transition metal hydrides (CrH, FeH, CoH, NiH, and CuH) in their ground electronic states are reported to help the identification of these species in astrophysical sources from their far-infrared spectra. Accurate frequencies are determined in two ways: for CuH, by calculation from rotational constants determined from higher J transitions with an accuracy of 190 kHz; for the other species, by extrapolation to zero magnetic field from laser magnetic resonance spectra with an accuracy of 0.7 MHz.

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