Table A.12.
Rotational and centrifugal distortion constants of Si13CC.
| Molecular parameters | Units MHz × | Laboratorya | Laboratorya + IRAMb | Laboratorya + IRAMc |
|---|---|---|---|---|
| A | 50455.863(330) | 50455.638(151) | 50455.759(194) | |
| B | 12874.2710(145) | 12874.27017(278) | 12874.26839(319) | |
| C | 10180.8358(163) | 10180.85968(261) | 10180.85745(283) | |
| ΔJ | 10−02 | 1.26862(200) | 1.270199(417) | 1.26780(139) |
| ΔJK | 1.457061(258) | 1.4571217(823) | 1.456839(186) | |
| ΔK | –1.2095(221) | –1.2334(158) | –1.2167(255) | |
| δJ | 10−03 | 2.39947(917) | 2.38835(322) | 2.39016(359) |
| δK | 10−01 | 8.2526(141) | 8.23435(476) | 8.22431(864) |
| HJ | 10−07 | –1.4728e | –1.4728e | –1.763(291) |
| HJK | 10−05 | –3.824(211) | –3.684(180) | –4.160(385) |
| HKJ | 10−04 | 3.3429(885) | 3.2920(703) | 3.361(131) |
| hJK | 10−05 | –2.791(261) | –3.1254(778) | –3.331(159) |
| hK | 10−03 | 1.0599(489) | 1.0909(385) | 1.0282(717) |
| LJ | 10−11 | 4.706e | 4.706e | .... |
| LJJK | 10−09 | –1.211e | –1.211e | .... |
| LJK | 10−07 | –1.3680e | –1.3680e | –1.302(109) |
| LKKJ | 10−07 | 2.051e | 2.051e | 2.557(383) |
| PJ | 10−15 | –9.52e | –9.52e | .... |
| PKJ | 10−10 | 1.3096e | 1.3096e | .... |
| PKKJ | 10−10 | –2.777e | –2.777e | .... |
| pKKJ | 10−10 | 5.894e | 5.894e | .... |
| Nd | .... | 48 | 129 | 129 |
| Jmax | .... | 19 | 19 | 19 |
| Kmax | .... | 10 | 10 | 10 |
| νmax | 404227.741 | 404227.741 | 404227.741 | |
| σ | 0.068 | 0.107 | 0.111 | |
| σw | .... | 0.668 | 0.880 | 0.889 |
Notes. Numbers in parentheses represent the derived uncertainty (1σ) of the parameter in units of the last digit.
Fit to the rotational lines reported by Cernicharo et al. (1991).
Lines observed with the IRAM 30 m telescope between 70 and 320 GHz. Frequencies reported by Cernicharo et al. (1991; 2000) have been measured again with the new FTS spectrometers at a spectral resolution of 195 kHz. This is the recommended fit to predict rotational frequencies for Si13CC.
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