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Table 2

Values of the partition function Q(T) calculated from the direct sum and the direct product (see text).

Direct product Direct sum
T(K) Refs. Qvib Qrot Qvib Qrot Qdir

80 TWa 1 1471.7 1471.7 1471.7
Blass et al. (2001) 1 1467.9 1467.9
HITRAN 1474.2
160 TWa 1.0011 4154.0 4158.6 4158.8
Blass et al. (2001) 1.0009 4143.4 4147.1
HITRAN 4169.4
296 TWa 1.0521 10448.4 10 992.8 10997.8
Blass et al. (2001) 1.0469 10 421.4 10910.1
HITRAN 11 041.5
D2hTDS, Rotger (2016) 10 447.7
Carter et al. (2012b) 10979.2 (J ≤ 40)
Rotger et al. (2008) 1.0469 10432.9 10 922.2
500 TWa 1.4396 22951.3 33 040.7 33117.2
HITRAN 33271.3
700 TWa 2.4274 38048.0 92 357.7 92702.8
HITRAN 93 244.0

Notes.

(a)

TW = this work.

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