Al F4 Rb
      Bulou A, Nouet J
      Journal of Physics C: Solid State Physics 15 (1982) 183-196
      Structural phase transitions in ferroelastic Rb al F4: I. DSC, x-ray
      powder diffraction investigations and neutron powder profile refinement
      of the structures
      _cod_database_code 1000455
      _database_code_amcsd 0013170

      CELL PARAMETERS:    5.1227   5.1227   6.2815   90.000   90.000   90.000
      SPACE GROUP: P4/mbm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    164.839
      Density (g/cm3):      3.796
      MAX. ABS. INTENSITY / VOLUME**2:      47.93419627    
      RIR:      4.112
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.10          6.02        6.2815    0   0   1         2
                24.58          2.19        3.6223    1   1   0         4
                28.42         30.84        3.1407    0   0   2         2
                28.44        100.00        3.1379    1   1   1         8
                35.03         34.61        2.5614    2   0   0         4
                37.92         37.33        2.3730    1   1   2         8
                37.94         40.26        2.3718    2   0   1         8
                41.98          1.43        2.1523    2   1   1        16
                45.71          4.14        1.9850    2   0   2         8
                50.34         26.80        1.8128    1   1   3         8
                50.38         25.75        1.8111    2   2   0         4
                52.59          1.45        1.7403    2   2   1         8
                56.79          5.14        1.6211    2   0   3         8
                58.80          7.03        1.5704    0   0   4         2
                58.86         10.99        1.5690    2   2   2         8
                58.87         22.92        1.5686    3   1   1        16
                64.75          8.76        1.4397    3   1   2        16
                70.32          5.76        1.3388    2   0   4         8
                73.98         14.41        1.2812    3   1   3        16
                74.02          5.56        1.2807    4   0   0         4
                81.01          2.38        1.1869    1   1   5         8
                81.05          7.86        1.1865    2   2   4         8
                81.10          3.30        1.1859    4   0   2         8
                81.11          2.84        1.1857    3   3   1         8
                84.60          4.15        1.1455    4   2   0         8
                86.23          2.62        1.1279    2   0   5         8
                86.32          2.08        1.1270    3   3   2         8
                86.33          2.86        1.1269    4   2   1        16
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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.