Aside from the CO2 laser transitions, the absorption spectrum of CO has been more accurately and thoroughly measured than any other spectrum. A bibliography of earlier measurements on CO is given by Maki and Wells (Ref. 1), and the present tables were calculated from the measurements referred to in that work. In addition, some very accurate frequency measurements (Refs. 2 and 3) have been made and were incorporated in the present tables. The frequencies of the rotational transitions of HF and HCl were calculated from constants obtained from fitting the measurements of Evenson et al. (Refs. 4 and 5) and Jennings and Wells (Ref. 6).
A report on infrared wavenumber standards from the International Union of Pure and Applied Chemistry, Commission on Molecular Structure and Spectroscopy, may be found in Ref. 7.
Wavenumber (unc)*/cm–1 | Transition | Wavenumber (unc)/cm–1 | Transition |
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2147.081132(01) | R(0) | ||
2139.426071(01) | P(1) | 2150.856006(01) | R(1) |
2135.546178(01) | P(2) | 2154.595581(01) | R(2) |
2131.631574(01) | P(3) | 2158.299710(01) | R(3) |
2127.682404(01) | P(4) | 2161.968245(01) | R(4) |
2123.698816(01) | P(5) | 2165.601041(01) | R(5) |
2119.680957(01) | P(6) | 2169.197949(01) | R(6) |
2115.628973(01) | P(7) | 2172.758824(01) | R(7) |
2111.543012(01) | P(8) | 2176.283519(01) | R(8) |
2107.423221(01) | P(9) | 2179.771887(01) | R(9) |
2103.269746(01) | P(10) | 2183.223782(01) | R(10) |
2099.082734(01) | P(11) | 2186.639057(01) | R(11) |
2094.862333(01) | P(12) | 2190.017565(01) | R(12) |
2090.608688(01) | P(13) | 2193.359161(01) | R(13) |
2086.321947(01) | P(14) | 2196.663698(01) | R(14) |
2082.002256(01) | P(15) | 2199.931030(01) | R(15) |
2077.649762(01) | P(16) | 2203.161010(01) | R(16) |
2073.264612(01) | P(17) | 2206.353492(01) | R(17) |
2068.846952(01) | P(18) | 2209.508331(02) | R(18) |
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