Abstract
IN the case of the isoelectronic system Cd I, In II, Sn III, Sb IV, the X-ray doublet laws have been found to apply even though these spectra consist of singlets and triplets. Continuing our previous work on In II and Sn III, we have been able to identify several groups in the spectrum of Sb IV. These are a 3P3S multiplet, lying between 805 A. and 861 A., a very strong 3P3D multiplet, lying between 873 A. and 940 A., a 3D3F multiplet, lying between 2077 A. and 2113 A., and a possible 3p3p′ group between 1051 A. and 1193 A. The first 3P separations are 5854 and 2261 cm.-1. In addition to these, a 1S3P line and 1S1P line give an estimate of 340000 cm.-1 for the lowest, 1S, level corresponding to an ionisation potential of about 42 volts.
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GREEN, J., LANG, R. The Spectrum of Tribly Ionised Antimony, Sb IV. Nature 122, 242 (1928). https://doi.org/10.1038/122242d0
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DOI: https://doi.org/10.1038/122242d0
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