O6 Rb4
      Helms A, Klemm W
      Zeitschrift fur Anorganische und Allgemeine Chemie 242 (1939) 201-214
      Ueber die Kristallstrukturen der Rubidium- und Caesiumsesquioxyde
      _cod_database_code 1010171
      _database_code_amcsd 0017107

      CELL PARAMETERS:    9.3000   9.3000   9.3000   90.000   90.000   90.000
      SPACE GROUP: I-43d     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    804.357
      Density (g/cm3):      3.219
      MAX. ABS. INTENSITY / VOLUME**2:      67.98560726    
      RIR:      6.877
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.43         31.77        3.7967    2   1   1        12
                27.12         66.96        3.2880    2   2   0        12
                30.39        100.00        2.9409    3   1   0        24
                36.14         46.19        2.4855    3   2   1        24
                38.73          2.62        2.3250    4   0   0         6
                45.76         16.86        1.9828    3   3   2        12
                47.92         13.76        1.8984    4   2   2        12
                50.01         12.10        1.8239    5   1   0        24
                50.01         34.05        1.8239    4   3   1        24
                54.01         18.02        1.6979    5   2   1        24
                57.81          1.70        1.5949    5   3   0        24
                61.46          7.33        1.5087    5   3   2        24
                61.46          4.52        1.5087    6   1   1        12
                63.24          4.33        1.4705    6   2   0        24
                64.99         11.91        1.4350    5   4   1        24
                68.42          3.35        1.3712    6   3   1        24
                70.10          5.77        1.3423    4   4   4         4
                71.77          1.55        1.3152    5   4   3        24
                75.06          8.07        1.2656    7   2   1        24
                75.06          3.01        1.2656    6   3   3        12
                76.68          8.65        1.2428    6   4   2        24
                78.29          2.54        1.2211    7   3   0        24
                81.49          5.38        1.1811    6   5   1        24
                83.08          1.77        1.1625    8   0   0         6
                87.82          2.02        1.1116    6   5   3        24
                89.40          3.30        1.0960    8   2   2        12
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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.