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Details van artikel 36 van 112 gevonden artikelen
| Titel: |
First high-resolution analyses of the ν8 and ν8 + ν9 spectral regions of 35CIONO2: determination of the ν9 band centre |
| Auteur: |
FLAUD, J.-M LAFFERTY, W.J. ORPHAL, J. BIRK, M. WAGNER, G. |
| Verschenen in: |
Molecular physics |
| Paginering: | Jaargang 101 (2003) nr. 10 pagina's 1527-1533 |
| Jaar: |
2003-05-20 |
| Inhoud: |
A ro-vibrational analysis of the C-type ν8 fundamental band of 35CIONO2 as well as the hot band ν8 + ν9 - ν9 has been carried out using a Fourier-transform infrared spectrum of natural chlorine nitrate recorded with a resolution of 0.000 94cm-1 at a temperature of 190 K. Accurate upper state constants have been determined for both bands including the following band centres: ν0 (ν8) = 711.207 63(9) and ν0(ν8 + ν9 - ν9) = 714.905 0(12)cm-1. These constants have been used, together with a transition moment operator that takes into account the observed Herman-Wallis effect, to successfully model the experimental spectrum. In addition, the constants of the 8191 state have been used to model the ν8 + ν9 band, allowing us to assign nearly 100 Q-branch transitions and, therefore, to determine the band centre of the ν8 + ν9 band, ν0(ν8 + ν9) = 838.626 9(15)cm-1 Consequently this allows us to obtain the band centre of ν9: ν0(ν9) = 123.721 9(20)cm-1. This establishes unambiguously that the band at 714.9cm-1 previously attributed to ν5 + ν7 - ν9 is actually the ν8 + ν9 - ν9 hot band. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 36 van 112 gevonden artikelen
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