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High Resolution FTIR Study of the ν4+ 2ν6Rovibrational Band of CH379Br between 4870 and 5030 cm−1

✍ Scribed by Najate Ben Sari-Zizi; Claude Alamichel

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
255 KB
Volume
186
Category
Article
ISSN
0022-2852

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✦ Synopsis

The n {1 4 / 2n 0 6 and n |1 4 / 2n {2 6 perpendicular components and the n {1 4 / 2n {2 6 parallel component of the CH 3 79 Br isotopomer have been found and studied in high resolution ( 0.006 cm 01 ) . Both perpendicular components are linked altogether and also to the n 2 / n 3 / n 4 band by anharmonic resonances. A model taking these anharmonic resonances and l ( 2,2 ) resonances into account has been used. It allowed to obtain a r.m.s. deviation of 0.0065 cm 01 in a least squares fit over 1327 lines ( 46 being zero-weighted ) belonging to the three components of n 4 / 2n 6 and to the calculated K DK Å 01 sub-band of n 2 / n 3 / n 4 deduced from the corresponding observed subband of n 2 / n 3 / n 4 0 n 3 .

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