Table 6
Rotational constants in the RHO axis system (RAM) and in the principal axis system (PAM) for HC18OOCH3 and HCO18OCH3.
| HC18OOCH3 | HCO18OCH3 | |||
| (RAM)a | (PAM)b | (RAM)a | (PAM)b | |
|
|
||||
| A(MHz) | 17021.121(243) | 19443.700(236) | 16841.593(191) | 19255.846(182) |
| B(MHz) | 9058.565(203) | 6635.985(211) | 9289.335(153) | 6875.081(160) |
| C(MHz) | 5105.8716 (231) | 5105.8716 (231) | 5232.1254(118) | 5232.1254(118) |
| Dab(MHz) | −5015.857 (158) | −4905.272(118) | ||
| <(i,a) | 54.754(2) | 54.042 (1) | ||
| <(i,b) | 35.246(2) | 35.958 (1) | ||
| <(i,c) | 90.000 | 90.000 | ||
| θRAMc | 25.7798(7) | 26.2053(6) | ||
Notes. Angles between the principal axis and the methyl top axis.
Rotational constants obtained in our work for RAM-axis system (see Tables 4 and 5 for HCO18OCH3 and HC18OOCH3).
Rotational constants of our work transformed to the principal axis system and angles in degrees between the principal axis (a, b, c) and the methyl top axis (i).
The angle θRAM angle between the a-principal axis and the a-RAM axis is given in degrees and obtained from Eq. (1) of Carvajal et al. (2007) with the parameters ARAM, BRAM, CRAM, and Dab of Tables 4 and 5.
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