Diode laser spectroscopy of the MnD radical ( 7Σ) and the determination of mass-independent parameters

The infrared spectrum of the manganese deuteride radical has been observed in its ground electronic state ( 7Σ) using a diode-laser spectrometer. The hyperfine structure of a number of infrared transitions in the bands ν=1←0, ν=2←1 and ν=3←2 were measured with a nominal accuracy of ±0.001 cm −1. In...

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Bibliographic Details
Published in:Chemical physics letters 1991-03, Vol.178 (2), p.295-300
Main Authors: Urban, Rolf-Dieter, Jones, Harold
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Fine and hyperfine structure
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
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Summary:The infrared spectrum of the manganese deuteride radical has been observed in its ground electronic state ( 7Σ) using a diode-laser spectrometer. The hyperfine structure of a number of infrared transitions in the bands ν=1←0, ν=2←1 and ν=3←2 were measured with a nominal accuracy of ±0.001 cm −1. In all cases, the complete structure was easily resolved. Dunham parameters, spin—rotation and spin—spin coupling parameters were determined from the MnD data. A simultaneous fit of these data with those determined previously for MnH was carried out to determine mass-independent parameters and mass-scaling coefficients.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(91)87072-J