Rotational spectrum of a chiral amino acid precursor, 2-aminopropionitrile, and searches for it in Sagittarius B2(N)

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Table 3

Partition function of 2-aminopropionitrile.

T in K	Q_groundstate	Q_total^a

300	88750.34	221539.58
225	57645.03	116321.72
150	31377.98	46473.48
75	11093.79	11731.97
37.5	3922.25	3926.67
18.75	1386.72	1386.73
9.375	490.28	490.28

Notes.

^(a)

The vibrational part includes the contribution of the five excited vibrational states v₂₇ = 1, v₂₆ = 1, v₂₅ = 1, v₂₄ = 1, and v₂₇ = 2.

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