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C-type transitions in methyl formateBased on previously determined spectral constants for methyl formate in its ground torsional degenerate substate, the frequencies and intensities of forbidden c-type transitions in this molecule, which is represented by a large number of lines in OMC-1, are calculated along with other 'forbidden' transitions labeled x-type. The stronger c-type transitions below 300 GHz with angular momentum quantum number of 30 or less and with upper state rotational energy of 350/cm or less are included in a list of spectral frequencies presented in this paper. Because the c-type transitions borrow intensity from the b-type transitions, the intensities of strongly affected b-type spectra are recalculated and presented.
Document ID
19870059559
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Plummer, Grant M.
(Koeln, Universitaet Cologne, Germany)
Herbst, Eric
(Cologne Univ. Germany)
De Lucia, Frank C.
(Duke University Durham, NC, United States)
Date Acquired
August 13, 2013
Publication Date
July 15, 1987
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 318
ISSN: 0004-637X
Subject Category
Atomic And Molecular Physics
Accession Number
87A46833
Funding Number(s)
CONTRACT_GRANT: NSF CHE-85-15331
CONTRACT_GRANT: NAGW-189
Distribution Limits
Public
Copyright
Other

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