Rb(Br.4I.6)
      Ahtee M
      Annales Academiae Scientiarum Fennicae Series A6: Physica 313 (1969) 1-11
      Lattice constants of some binary alkali halide solid solutions.
      _database_code_amcsd 0012000

      CELL PARAMETERS:    7.1560   7.1560   7.1560   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    366.447
      Density (g/cm3):      3.508
      MAX. ABS. INTENSITY / VOLUME**2:      142.9280845    
      RIR:     13.266
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.51          2.56        4.1315    1   1   1         8
                24.89        100.00        3.5780    2   0   0         6
                35.48         74.79        2.5300    2   2   0        12
                41.87          1.34        2.1576    3   1   1        24
                43.82         25.95        2.0658    2   2   2         8
                51.05         11.74        1.7890    4   0   0         6
                57.60         30.97        1.6001    4   2   0        24
                63.71         21.73        1.4607    4   2   2        24
                75.09          6.15        1.2650    4   4   0        12
                80.54          9.81        1.1927    4   4   2        24
                80.54          2.45        1.1927    6   0   0         6
                85.90          8.10        1.1315    6   2   0        24
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.