The calculational method is described in
(1) T. Amano and E. Hirota, 1974, J. Mol. Spect. 53, 346.
The lines are from
(2) E. Tiemann, 1974, J. Phys. Chem. Ref. Data 3, 259,
(3) E. Tiemann, 1982, J. Mol. Spectrosc. 91, 60,
(4) M. Bogey, C. Demuynck, J. L. Destombes, 1982, Chem. Phys. 66, 99,
(5) F. J. Lovas, R. D. Suenram, T. Ogata, and S. Yamamoto, 1992, Astrophys. J. 399, 325,
(6) Th. Klaus, A. H. Saleck, S. P. Belov, G. Winnewisser, Y. Hirahara, M. Hayashi, E. Kagi, and K. Kawaguchi, 1996, J. Mol. Spectrosc. 180, 197.
Both electric and magnetic dipole transitions are listed in the catalog. The dipole moments were assumed to be the same as for the parent species, see e048501.cat.