Analysis of the CH3D nonad from 2000 to 3300 cm(-1)

作者：Nikitin A^*; Brown LR; Fejard L; Charnpion JP; Tyuterev VG

来源：Journal of Molecular Spectroscopy, 2002, 216(2): 225-251.

DOI：10.1006/jmsp.2002.8566

• monodeuterated methane
• CH3D nonad
• infrared
• fundamental bands
• polyad
• positions
• intensities

As part of the simultaneous analysis of line positions and intensities of the first two polyads of monodeuterated methane, the results achieved for the region 3-5 mum are reported. It involves the three highest fundamentals, (nu(1), nu(2), nu(4)), Overlapped by overtone (2nu(3), 2nu(5), 2nu(6)) and combination (nu(3) + nu(6), nu(3) + nu(5), nu(5) + nu(6)) bands. The theoretical model was based on the global tensorial model implemented in the MIRS package. Some 10 000 line positions and 2400 line intensities have been modeled to +/-0.000 88 cm(-1) and +/-3.6% respectively, using measurements obtained at 0,0056 and 0.011 cm(-1) resolution with the Fourier transform spectrometer at National Solar Observatory located at Kitt Peak. The strongest band in this polyad is nu(4)(E) at 3016.7 cm(-1) with a strength of 6.3 x 10(-18) cm(-1)/(molecule cm(-2)) at 296 K: the weakest band is 2nu(3)(E) at 2597.7 cm(-1) with a strength of 1.9 x 10(-20) cm(-1)/(molecule cm(-2)) at 296 K. The total calculated absorption arising from the CH3D nonad is 8.95 x 10(-18) cm(-1)/(molecule cm(-2)) at 296 K.

• 出版日期2002-12