Rubidium
      Kelly F M, Pearson W B
      Canadian Journal of Physics 33 (1955) 17-24
      The rubidium transition at ~180 K
      Locality: synthetic
      Sample: at T = 90 K
      Note: specimen IV
      _database_code_amcsd 0012172

      CELL PARAMETERS:    5.6160   5.6160   5.6160   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    177.126
      Density (g/cm3):      1.602
      MAX. ABS. INTENSITY / VOLUME**2:      78.47837958    
      RIR:     15.948
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                22.39        100.00        3.9711    1   1   0        12
                31.87         19.44        2.8080    2   0   0         6
                39.30         41.44        2.2927    2   1   1        24
                45.69         12.67        1.9856    2   2   0        12
                51.46         16.82        1.7759    3   1   0        24
                56.79          3.94        1.6212    2   2   2         8
                61.81         17.36        1.5009    3   2   1        48
                66.61          1.65        1.4040    4   0   0         6
                71.24          2.59        1.3237    3   3   0        12
                71.24          5.17        1.3237    4   1   1        24
                75.74          4.17        1.2558    4   2   0        24
                80.16          3.44        1.1973    3   3   2        24
                84.52          2.91        1.1464    4   2   2        24
                88.85          2.52        1.1014    5   1   0        24
                88.85          5.05        1.1014    4   3   1        48
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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.