# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: "H. Schröter. Über die Brechungsindizes einiger Schwermetallhalogenide im Sichtbaren und die Berechnung von Interpolationsformeln für den Dispersionsverlauf (On the refractive indices of some heavy-metal halides in the visible and calculation of interpolation formulas for dispersion), <a href=\"https://doi.org/10.1007/BF01391040\"><i>Z. Phys.</i> <b>67</b>, 24-36 (1931)</a> [in German]"
DATA:
  - type: formula 8
    range: 0.495 0.67
    coefficients: 0.452505 0.09939 0.070537 -0.000150
