| Автор | Legon, A. C. |
| Дата выпуска | 1996 |
| dc.description | A fit of µ a, R-branch transitions of the nearly prolate asymmetric rotor H2COâ ¯HCl (κâ â 0.99) demonstrated that even a relatively large A 0 rotational constant can be determined with useful accuracy from such a limited set of data, provided the frequencies are of sufficient accuracy. Thus the set of spectroscopic constants A 0, B 0, C 0, Î J, Î JK, δ J, Ï aa, (Ï bbâ Ï cc), Ï ab and ½{M bb+M cc} are reported for H2COâ ¯H<sup>35</sup>Cl. The subsequent observation of two µ b, R-branch transitions led to a much more accurate value of A 0, but this did not lie outside the error of the preliminary value, confirming the usefulness of the initial approach. The inertial defect Î 0= 0.5724(1) u à <sup>2</sup> demonstrates that the nuclei in H2COâ ¯H<sup>35</sup>Cl are copolanar. Fits of limited numbers of µ a, R-branch transition frequencies for each of H2COâ ¯H<sup>37</sup>Cl, D2COâ ¯H<sup>35</sup>Cl and D2COâ ¯H<sup>37</sup>Cl led to Î 0 values for the isotopomers identical within experimental error to that of H2COâ ¯H<sup>35</sup>Cl. |
| Формат | application.pdf |
| Издатель | Royal Society of Chemistry |
| Название | The rotational constant A0and planarity of the hydrogen-bonded complex H2CO⋯HCl |
| Тип | research-article |
| DOI | 10.1039/FT9969202677 |
| Electronic ISSN | 1364-5455 |
| Print ISSN | 0956-5000 |
| Журнал | Journal of the Chemical Society, Faraday Transactions |
| Том | 92 |
| Первая страница | 2677 |
| Последняя страница | 2679 |
| Выпуск | 15 |
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