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Table 1

List of the molecular transitions considered in this work.

Mol. Species Frequency Resolved QNs Eu/k
(MHz) (K)
CH3OCHO 218280.900 173,14–163,13 E 100
218297.890 173,14–163,13 A 100
221433.019 1811,7–1711,6 A 181
233226.788 194,16–184,15 A 123
233315.780 1915,4–1815,3 E 261
233394.655 1914,6–1814,5 A 242
233396.680 1914,5–1814,4 E 242
235932.379 197,12–187,11 A 145
236365.574 203,18–193,17 A 128
221311.835 JK = 126–116 771
221337.928 JK = 12−3–11−3 698
221350.257 JK = 125–115 706
221367.404 JK = 12−2–11−2 649
221380.595 JK = 124–114 655
221387.233 JK = 12−1–11−1 615
221394.056 JlK = 120–110 594
221403.511 JK = 123–113 619
221422.342 JK = 122–112 596
13CH3CN 232125.130 JK = 135–125 257
232164.369 JK = 134–124 193
232194.906 JK = 133–123 142
232216.726 JK = 132–122 107
232229.822 JK = 131–121 85
232234.188 JK = 130–120 78
13CH3OH 217044.616 141,13–132,12 254
235938.220 5−1,5–4−1,4 40
235960.370 50,5–40,4 34
235997.230 53,3–43,2 84
236041.400 51,4–41,3 55
CH3CH2CN 220660.918 252,24–242,23 143
232998.740 268,19–258,18 222
233002.700 2612,15–2512,14 311
233069.379 267,19–257,18 205
H30α 231900.928
SO2 236216.687 161,15–152,14 131

Notes. Transitions of the molecules given in boldface characters have been fitted with XCLASS (see Sect. 3).

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