The experimental lines are from
(1) R. S. Winton and W. Gordy,
1970, Phys. Lett. 32A, 219; from
(2) J. H. S. Wang, D. E. Oates, A. Ben-Reuven, and S. G. Kukolich,
1973, J. Chem. Phys. 59, 5268; from
(3) F. A. van Dijk and A. Dymanus,
1974, Chem. Phys. 6, 474; from
(4) S. G. Kukolich, D. E. Oates, and J. H. S. Wang,
1974, J. Chem. Phys. 61, 4686; from
(5) A. Dubrulle, J. Demaison, J. Burie, and D. Boucher,
1980, Z. Naturforsch. 35a, 471; from
(6) E. Schäfer and M. Winnewisser,
1983, Ber. Bunsenges. Phys. Chem. 87, 327;
and from
(7) J. P. M. de Freede, M. P. W. Gillis, and H. A. Dijkerman,
1988, J. Mol. Spectrosc. 128, 509.
With respect to the Apr. 2005 entry, some transitions with comparatively
large uncertainties have been taken out of the fit. In addition,
new data were included, which were published in
(8) G. Yu. Golubiatnikov, A. V. Lapinov, A. Guarnieri, and R. Knöchel,
2005, J. Mol. Spectrosc. 234, 190.
Reliable predictions are possible beyond the quoted
Jmax of 99.
The partition function does NOT take into account
vibrational contributions ! Information on
vibrational contributions to the partition function
is available.
The dipole moment is from
(9) K. Tanaka, T. Tanaka, and I. Suzuki
1985, J. Chem. Phys. 82, 2835.
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