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High-resolution analysis of the v6, v17, and v21 bands of dimethyl ether

par Coudert, Laurent C L;Çarçabal, Pierre;Chevalier, Michèle;Broquier, Michel;Hepp, Martin ;Herman, Michel
Référence Journal of Molecular Spectroscopy, 212, 2, page (203-207)
Publication Publié, 2002

Article révisé par les pairs

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Résumé :

The v6, v17, and v21 fundamental bands of dimethyl ether have been assigned and rotationally analyzed. The spectra used were recorded at 0.005 cm−1 spectral resolution with a Fourier-transform spectrometer coupled to a supersonic molecular beam leading to a rotational temperature of about 70 K. The v6 and v21 bands do not seem to be perturbed and the analysis of the rotational structure leads to band centers located at 933.906 6(9) and 1 103.951(1) cm−1, respectively, and to accurate rotational and centrifugal distortion constants. For the v17 band at 2817.385(2) cm−1, only the P and R branches could be assigned. © 2002 Elsevier Science (USA).