The observed transitions were taken from
(1) P. Kuipers, T. Törring, and A. Dymanus,
1975, Z. Naturforsch. 30a, 1256;
and from
(2) Y. Kawashima, R. D. Suenram, and E. Hirota,
1996, J. Mol. Spectrosc. 175, 99.
The predictions should be reliable up to 350 GHz.
At low values of J, 41K hyperfine splitting
is resolvable. Therefore, a separate prediction considering
41K hyperfine splitting with J" ≤ 4
is available. Note:
The partition function does not include the
spin-multiplicities of 41K ! Therefore,
partition function values have to be multiplied by 4
when considering 41K hyperfine splitting !
The dipole moment was assumed to agree with that of the
main isotopic species, see e056514.cat
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