The fundamental vibration-rotation band of hydrogen chloride
Mills, I., Thompson, H. W. and Williams, R. L. (1953) The fundamental vibration-rotation band of hydrogen chloride. Proceedings of the Royal Society, Series A, 218 (1132). pp. 29-36. ISSN 1471-2946
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To link to this item DOI: 10.1098/rspa.1953.0084
The fundamental vibration-rotational absorption band of hydrogen chloride near 3 45,t has been remeasured using higher resolving power than previously. The wave-lengths of the absorption lines have been determined more precisely, and the isotopic splitting of lines has been completely resolved. The results have provided new and more satisfactory values for the rotational constants Bi, and the centrifugal stretching constants Di, and their relative values for the two isotopic species agree closely with what is to be expected for the difference in mass. The positions of the lines in the pure rotational absorption spectrum have been calculated from the derived data, and agree closely with those recently observed. The bond lengths re for each isotopic species H35C1 and H37C1 is found to be 1-2744A.