Line Strengths of Methanol by the Internal Axis Method

Details Line Strengths of Methanol by the Internal Axis Method Line Strengths of Methanol by the Internal Axis Method

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.264..769c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 264, NO. 3/OCT1, P. 769, 1993

Astronomy and Astrophysics

Astronomy

15

Masers - Molecular Data - Molecular Processes - Ism: Molecules

Scientific paper

The line strengths and Einstein A coefficients of methanol are calculated using the internal axis method Hamiltonian. Results are presented for the υt=0,1,2 torsional states up to J=12 for both the A and E symmetry species. Transitions between torsional states with Δυt = 1,2 are included, as well as the Δυt=0 transitions within a torsional state. The line strengths of weak transitions that are made allowed by asymmetry are also predicted. This formulation uses only the constant component of the dipole moment function (i.e. invariant with torsional angle γ). The present set of line strength data should be adequate for astrophysical purposes.

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