The experimental lines are from
(1) R. D. Brown, K. G. Dyall, P. D. Godfrey, P. C. Elmes, and D. Mc Naughton,
1988, J. Am. Chem. Soc. 110, 789.
Some spectroscopic parameters were estimated from
the main isotopolog by
(2) H. S. P. Müller, 2002, unpublished.
The calculations should be accurate enough for observations
in cold sources. Ka = 0 and 1 may be
reliable enough up to the 3 mm region. Transitions involving
higher Ka should be viewed with
increasing caution.
Note: There are no
non-trivial spin-statistics for this isotopolog.
The dipole moment was taken from the main isotopolog in (1).
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