Abstract
IN a recent investigation Maxwell, Hendricks and Mosley1 have determined the internuclear distance of the sulphur molecule by means of electron diffraction patterns in heated sulphur vapour. They find this distance (for S2) to be r=l.94±0.03 A., which they state is definitely higher than the band spectra values. From the rotational analysis of six bands, belonging to the main system of the absorption spectrum, however, I have been able to determine this distance as 1.88 A., which must be substituted for the value 1.60 A. hitherto accepted2, though according to Badger3 it is incorrect. The agreement between the two determinations is now satisfactory, within the limit of error, but it may be pointed out here that the method of electronic diffraction must be expected to give a slightly greater value for r, because it does not refer to vibrationless molecules.
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References
Phys. Rev., 49, 199 (1936).
Naudé and Christy, Phys. Rev., 37, 490 (1931).
Phys. Rev., 46, 1025 (1934).
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OLSSON, E. Band Spectrum of the Sulphur Molecule. Nature 137, 745 (1936). https://doi.org/10.1038/137745b0
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DOI: https://doi.org/10.1038/137745b0
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