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AN INFRARED BAND SYSTEM OF THE $C_{2}$ MOLECULE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/7807

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Title: AN INFRARED BAND SYSTEM OF THE $C_{2}$ MOLECULE
Creators: Ballik, E. A.; Ramsay, D. A.
Issue Date: 1959
Abstract: A new band system of the $C_{2}$ molecule has recently been $found^{1}$ in emission from a king-type carbon furnace and has been investigated with a high resolution infrared grating spectrometer. Four sequences of bands have been observed; the R-heads of the strongest bands in each sequence are at 5656.2, 7103.0, 4040.1 and $8526.1 cm^{-1}$ in order of decreasing intensity. The bands have triplet P, Q, R structures and have been assigned to a $^{3}\Sigma^{-}_{g}-^{3}\pi_{u}$ transition of the $C_{2}$ molecule. The lower state rotational and vibrational constants agree well with those derived from the Swan bands for the X $^{3}\pi$ state. The molecular constants of the $^{3}\Sigma^{-}_{g}$ state will be discussed.
URI: http://hdl.handle.net/1811/7807
Other Identifiers: 1959-B-12
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