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Table B.9
Line parameters of CH3CN.
| Transition | Sym.∗ | Frequency | E u / k | A ul | S ul | g u |  dv |
|
Δv |
|
S / N |
|
|
|||||||||||
| (JK)u → (JK)l | [MHz] | [K] | [s-1] | [mK km s-1] | [km s-1] | [km s-1] | [mK] | ||||
|
|
|||||||||||
| 54 → 44 | E | 91 958.726F | 119.5 | 2.28 × 10-5 | 1.8 | 11 | 26(13) | 12.5(0.5) | 2.0(1.0) | 13 | 3 |
| 53 → 43 | A | 91 971.130F | 77.5 | 4.06 × 10-5 | 6.4 | 22 | 103(9) | 10.2(0.2) | 4.0(0.4) | 24 | 6 |
| 52 → 42 | E | 91 979.993F | 33.8 | 5.33 × 10-5 | 4.2 | 11 | 84(16) | 10.6(0.3) | 3.0(0.7) | 26 | 6 |
| 51 → 41 | E | 91 985.313F | 12.4 | 6.09 × 10-5 | 4.8 | 11 | 114(12) | 10.5(0.1) | 2.6(0.4) | 40 | 9 |
| 50 → 40 | A | 91 987.087F | 13.2 | 6.35 × 10-5 | 5.0 | 11 | 138(13) | 10.9(0.1) | 2.8(0.4) | 46 | 11 |
| 63 → 53 | A | 110 364.353F | 82.8 | 8.35 × 10-5 | 9.0 | 26 | 151(11) | 10.8(0.1) | 2.7(0.2) | 53 | 8 |
| 62 → 52 | E | 110 374.988F | 39.1 | 9.89 × 10-5 | 5.3 | 13 | 87(10) | 10.7(0.1) | 2.0(0.3) | 40 | 7 |
| 61 → 51 | E | 110 381.371F | 17.7 | 1.08 × 10-4 | 5.8 | 13 | 144(10) | 10.8(0.1) | 2.1(0.2) | 65 | 10 |
| 60 → 50 | A | 110 383.499F | 18.5 | 1.11 × 10-4 | 6.0 | 13 | 137(10) | 10.8(0.1) | 2.1(0.2) | 62 | 11 |
| 74 → 64 | E | 128 739.669W | 131.0 | 1.20 × 10-4 | 4.7 | 15 | 75(49) | – | – | – | 2 |
| 73 → 63 | A | 128 757.029W | 89.0 | 1.46 × 10-4 | 11.4 | 30 | 181(59) | – | – | – | 3 |
| 72 → 62 | E | 128 769.435W | 45.3 | 1.64 × 10-4 | 6.4 | 15 | 112(62) | – | – | – | 4 |
| 71 → 61 | E | 128 776.880W | 23.8 | 1.75 × 10-4 | 6.8 | 15 | ⟩ 425(59) | – | – | – | 6 |
| 70 → 60 | A | 128 779.363W | 24.7 | 1.79 × 10-4 | 7.0 | 15 | |||||
| 83 → 73 | A | 147 149.068W | 96.1 | 2.31 × 10-4 | 13.8 | 34 | 149(31) | – | – | – | 4 |
| 82 → 72 | E | 147 163.243W | 52.3 | 2.52 × 10-4 | 7.5 | 17 | 98(33) | – | – | – | 2 |
| 81 → 71 | E | 147 171.751W | 30.9 | 2.65 × 10-4 | 7.9 | 17 | ⟩ 385(41) | – | – | – | 8 |
| 80 → 70 | A | 147 174.587W | 31.8 | 2.69 × 10-4 | 8.0 | 17 | |||||
| 94 → 84 | E | 165 518.064W | 146.0 | 3.09 × 10-4 | 7.2 | 19 | 85(23) | – | – | – | 3 |
| 93 → 83 | A | 165 540.376W | 104.0 | 3.43 × 10-4 | 16.0 | 38 | 177(20) | – | – | – | 9 |
| 92 → 82 | E | 165 556.321W | 60.3 | 3.66 × 10-4 | 8.6 | 19 | 108(19) | – | – | – | 7 |
| 91 → 81 | E | 165 565.890W | 38.8 | 3.81 × 10-4 | 8.9 | 19 | ⟩ 419(24) | – | – | – | 14 |
| 90 → 80 | A | 165 569.080W | 39.7 | 3.86 × 10-4 | 9.0 | 19 | |||||
| 113 → 103 | A | 202 320.442F | 122.6 | 6.58 × 10-4 | 20.3 | 46 | 140(11) | 10.7(0.1) | 2.0(0.2) | 64 | 8 |
| 112 → 102 | E | 202 339.920F | 78.8 | 6.87 × 10-4 | 10.6 | 23 | 78(9) | 10.7(0.1) | 1.5(0.2) | 49 | 6 |
| 111 → 101 | E | 202 351.610F | 57.4 | 7.05 × 10-4 | 10.9 | 23 | 103(13) | 10.7(0.2) | 2.9(0.4) | 33 | 5 |
| 110 → 100 | A | 202 355.507F | 58.3 | 7.11 × 10-4 | 11.0 | 23 | 135(11) | 10.7(0.1) | 2.3(0.2) | 55 | 7 |
| 124 → 114 | E | 220 679.287F | 175.1 | 8.22 × 10-4 | 10.7 | 25 | 44(12) | 10.9(0.3) | 1.8(0.5) | 23 | 4 |
| 123 → 113 | A | 220 709.016F | 133.2 | 8.68 × 10-4 | 22.5 | 50 | 100(15) | 10.7(0.1) | 1.8(0.4) | 52 | 8 |
| 122 → 112 | E | 220 730.259F | 89.4 | 9.00 × 10-4 | 11.7 | 25 | 61(15) | 10.6(0.3) | 1.7(0.0) | 34 | 6 |
| 121 → 111 | E | 220 743.009F | 68.0 | 9.20 × 10-4 | 11.9 | 25 | 122(15) | 10.4(0.1) | 1.7(0.2) | 72 | 11 |
| 120 → 110 | A | 220 747.259F | 68.9 | 9.26 × 10-4 | 12.0 | 25 | 69(15) | 10.9(0.2) | 1.7(0.3) | 38 | 6 |
| 133 → 123 | A | 239 096.495F | 144.6 | 1.12 × 10-3 | 24.6 | 54 | 94(16) | 10.8(0.1) | 1.9(0.5) | 46 | 7 |
| 132 → 122 | E | 239 119.503F | 100.9 | 1.15 × 10-3 | 12.7 | 27 | 20(11) | 10.6(0.3) | 1.0(0.8) | 19 | 3 |
| 130 → 120 | A | 239 137.914F | 80.3 | 1.18 × 10-3 | 13.0 | 27 | 52(9) | 10.5(0.2) | 1.3(0.4) | 23 | 3 |
| 144 → 134 | E | 257 448.128F | 199.0 | 1.36 × 10-3 | 12.9 | 29 | 29(10) | 10.6(0.3) | 1.5(0.6) | 19 | 3 |
| 143 → 133 | A | 257 482.790F | 157.0 | 1.41 × 10-3 | 26.7 | 58 | 57(17) | 10.6(0.2) | 1.5(0.3) | 36 | 5 |
| 142 → 132 | E | 257 507.560F | 113.3 | 1.45 × 10-3 | 13.7 | 29 | 55(10) | 10.7(0.1) | 1.3(0.3) | 40 | 6 |
| 141 → 131 | E | 257522.425F | 91.8 | 1.47 × 10-3 | 13.9 | 29 | 53(11) | 10.8(0.3) | 2.0(0.5) | 24 | 4 |
| 140 → 130 | A | 257 527.381F | 92.7 | 1.48 × 10-3 | 14.0 | 29 | 42(8) | 10.9(0.1) | 1.0(0.2) | 38 | 5 |
| 153 → 143 | A | 275 867.809F | 170.2 | 1.75 × 10-3 | 28.8 | 62 | 61(14) | 10.5(0.2) | 1.5(0.4) | 38 | 4 |
| 152 → 142 | E | 275 894.339F | 126.5 | 1.79 × 10-3 | 14.7 | 31 | 31(9) | 10.3(0.1) | 0.7(0.3) | 40 | 2 |
| 151 → 141 | E | 275 910.261F | 105.1 | 1.81 × 10-3 | 14.9 | 31 | 30(12) | 10.7(0.2) | 0.7(0.2) | 40 | 2 |
| 163 → 153 | A | 294 251.460F | 184.4 | 2.14 × 10-3 | 30.9 | 66 | 55(13) | 10.1(0.2) | 1.2(0.2) | 43 | 4 |
| 162 → 152 | E | 294 279.748F | 140.6 | 2.18 × 10-3 | 15.7 | 33 | 33(15) | 10.4(0.2) | 0.9(0.3) | 34 | 4 |
| 161 → 151 | E | 294 296.726F | 119.2 | 2.21 × 10-3 | 15.9 | 33 | 34(9) | 10.2(0.1) | 1.0(0.2) | 32 | 4 |
| 160 → 150 | A | 294 302.386F | 120.1 | 2.22 × 10-3 | 16.0 | 33 | 27(9) | 10.9(0.2) | 0.8(0.2) | 32 | 2 |
Notes. Frequencies, Eu/k, Aul, Sul, and gu from MADEX code, that fit to all rotational lines reported by Kukolich et al. (1973), Boucher et al. (1977), Kukolich (1982), Pavone et al. (1990), Cazzoli & Puzzarini (2006), Šimečková et al. (2004), Müller et al. (2009).
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