(K.3Rb.7)Cl
      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 0012002

      CELL PARAMETERS:    6.4958   6.4958   6.4958   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    274.093
      Density (g/cm3):      2.593
      MAX. ABS. INTENSITY / VOLUME**2:      62.82163831    
      RIR:      7.889
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.72         19.71        3.7504    1   1   1         8
                27.46        100.00        3.2479    2   0   0         6
                39.23         67.89        2.2966    2   2   0        12
                46.36          9.40        1.9586    3   1   1        24
                48.55         21.86        1.8752    2   2   2         8
                56.68          9.37        1.6240    4   0   0         6
                62.30          3.25        1.4902    3   3   1        24
                64.11         23.79        1.4525    4   2   0        24
                71.10         16.35        1.3259    4   2   2        24
                76.15          1.50        1.2501    5   1   1        24
                84.34          4.66        1.1483    4   4   0        12
                89.19          1.72        1.0980    5   3   1        48
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.