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Table B.1

Unblended transitions of ET identified in the single-dish spectra (GBT and IRAM 30 m) towards G31.

Frequency Transitiona Eup
(GHz) (K)

45.34445 4(2, 2)3(1, 2), vt = 01 70
45.45987 13(3, 11)12(4, 8) 88
81.68343 8(1, 7)7(2, 6) 32
83.56877 5(1, 5)4(1, 4), vt = 00 70
83.66196 5(1, 5)4(1, 4), vt = 11 75
84.59587 4(2, 3)4(1, 4) 13
85.26550 6(0, 6)5(1, 5) 17
85.74718 5(0, 5)4(0, 4), vt = 00 69
85.76515 8(0, 8)8(1, 8), vt = 10 91
85.76890 5(0, 5)4(0, 4), vt = 11 74
86.31130 5(2, 4)4(2, 3), vt = 00 74
86.51654 5(4, 2)4(4, 1), vt = 11 94
86.51654 5(4, 1)4(4, 0), vt = 11 94
86.55042 5(3, 3)4(3, 2), vt = 11 85
86.55596 5(4, 2)4(4, 1), vt = 00 89
86.55596 5(4, 1)4(4, 0), vt = 00 89
86.56484 5(3, 2)4(3, 1), vt = 11 85
86.62171 5(3, 2)4(3, 1), vt = 00 80
87.02713 5(2, 3)4(2, 2), vt = 11 79
87.03001 5(2, 3)4(2, 2), vt = 00 74
87.71610 5(2, 4)5(1, 5) 18
88.69737 8(1, 7)7(0, 7), vt = 01 89
98.58509 15(1, 15)15(0, 15), vt = 10 158
112.12954 12(3, 9)12(2, 10) 77
140.50681 8(2, 6)7(2, 5), vt = 00 92
147.42746 8(1, 8)7(0, 7) 30
154.93019 9(2, 8)8(2, 7), vt = 11 104
168.12339 10(0, 10)9(0, 9), vt = 00 102
168.24791 10(0, 10)9(0, 9), vt = 11 106
169.70219 18(3, 16)18(2, 17) 155
171.96575 10(2, 9)9(2, 8), vt = 11 112
173.07117 10(6, 4)9(6, 3), vt = 11 152
173.07117 10(6, 5)9(6, 4), vt = 11 152
173.24010 10(5, 6)9(5, 5), vt = 00 133
173.24010 10(5, 5)9(5, 4), vt = 00 133
173.39133 5(2, 3)4(1, 4) 18
173.39339 10(4, 6)9(4, 5), vt = 00 122
174.23291 6(2, 5)5(1, 4) 23
224.44306 12(7, 6)12(6, 6), vt = 01 181
224.44311 12(7, 5)12(6, 7), vt = 01 181
224.59698 16(7, 10)16(6, 10), vt = 01 230
224.59850 16(7, 9)16(6, 11), vt = 01 230
224.66995 3(2, 1)2(1, 1), vt = 10 71
224.73929 11(3, 9)10(2, 9), vt = 01 123
224.82313 13(1, 12)12(1, 11), vt = 00 135
228.02905 13(3, 10)13(3, 9), vt = 00 144

Notes.

(a)

The transitions of the gauche state of ethanol are designated with vt = 0 (gauche +) and vt = 1 (gauche –), while the transitions without v number correspond to the trans state.

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