Abstract
THE 1II system of AlBr near 2790 has been photographed in emission with high dispersion (0.6 A./mm.). Measurements of the Q heads have verified Howell‘s analysis1. Howell was, however, not able to make any definite observations on the isotope effect of the Q heads. Some of his Q heads, therefore, refer to the molecule AlBr79, others to the molecule AlBr81. On account of this, a new Q head formula has been calculated. Thus the band-origins of the molecule AlBr79 can be represented by the formula:
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References
Howell, Proc. Roy. Soc., A, 148, 696 (1935).
Guggenheimer, Proc. Phys. Soc., 58, 456 (1946).
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GUSTAV JENNERGREN, C. Band Spectrum of Aluminium Bromide. Nature 161, 315 (1948). https://doi.org/10.1038/161315a0
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DOI: https://doi.org/10.1038/161315a0
