O2 Sr
      Bernal J, Djatlowa E, Kasarnowsky I, Reichstein S, Ward A
      Zeitschrift fur Kristallographie 92 (1935) 344-354
      The Structure of Strontium and Barium Peroxides, Sr O2 and Ba O2
      _cod_database_code 1010114
      _database_code_amcsd 0017044

      CELL PARAMETERS:    3.5500   3.5500   6.5500   90.000   90.000   90.000
      SPACE GROUP: I4/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     82.546
      Density (g/cm3):      4.812
      MAX. ABS. INTENSITY / VOLUME**2:      66.43207383    
      RIR:      4.495
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.23         69.40        3.2750    0   0   2         2
                28.60         90.86        3.1211    1   0   1         8
                35.77        100.00        2.5102    1   1   0         4
                45.53         58.93        1.9923    1   1   2         8
                48.98         48.45        1.8598    1   0   3         8
                51.48         28.87        1.7750    2   0   0         4
                56.17          3.07        1.6375    0   0   4         2
                59.21         23.06        1.5605    2   0   2         8
                59.95         20.69        1.5429    2   1   1        16
                68.40          6.34        1.3715    1   1   4         8
                73.80         21.38        1.2840    2   1   3        16
                75.79          6.62        1.2551    2   2   0         4
                77.70         12.08        1.2290    1   0   5         8
                79.66          3.86        1.2036    2   0   4         8
                82.26          7.02        1.1720    2   2   2         8
                82.91          3.56        1.1645    3   0   1         8
                86.74          8.39        1.1226    3   1   0         8
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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.