The absolute intensities, positions, rotational constants, and halfwidths of the lines of three overlapping bands of CO2 near 4640 cm−1 have been determined by nonlinear least-squares fitting procedures. The intensities of (0002)I ← 0000 and (0112I) ← (0110), of 16O12C18O are in good agreement with the estimates in the AFGL listing. An improved value has been obtained for the intensity of (3110)III ← 0000 of 16O12C16O.
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The letters at the end of rows identify the constants according to the following assignments: M, Mandin9; C, Chedin10; R, AFGL listing7; F, lower state rotational constants fixed to the values reported by Guelachvili11 for band I, by Sakai12 for band II, and by AFGL7 for band III. The upper state constants are retrieved; U, constants retrieved with no constraints.
AFGL nomenclatures for the isotopes and vibrational levels are shown in columns 2 and 3.
The figures in parentheses are the uncertainty in the last digits.
Table III
Number of P and R Lines Which can be Distinguished Above the Noise Level and Analyzed for Each Band
The letters at the end of rows identify the constants according to the following assignments: M, Mandin9; C, Chedin10; R, AFGL listing7; F, lower state rotational constants fixed to the values reported by Guelachvili11 for band I, by Sakai12 for band II, and by AFGL7 for band III. The upper state constants are retrieved; U, constants retrieved with no constraints.
AFGL nomenclatures for the isotopes and vibrational levels are shown in columns 2 and 3.
The figures in parentheses are the uncertainty in the last digits.
Table III
Number of P and R Lines Which can be Distinguished Above the Noise Level and Analyzed for Each Band