Na2O2
      Wyckoff R W G
      Crystal Structures 1 (1963) 85-237
      Second edition. Interscience Publishers, New York, New York
      Sodium peroxide
      _database_code_amcsd 0011666

      CELL PARAMETERS:    6.2080   6.2080   4.4600   90.000   90.000  120.000
      SPACE GROUP: P-62m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    148.857
      Density (g/cm3):      2.609
      MAX. ABS. INTENSITY / VOLUME**2:      16.08784524    
      RIR:      2.008
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.91          1.70        4.4600    0   0   1         2
                25.96          3.96        3.4326    1   0   1        12
                28.76          7.81        3.1040    1   1   0         3
                35.23        100.00        2.5477    1   1   1         6
                39.13         23.47        2.3023    2   0   1        12
                40.45          6.73        2.2300    0   0   2         2
                44.59          7.37        2.0320    2   1   0         6
                49.28          7.34        1.8492    2   1   1        12
                50.39         27.72        1.8111    1   1   2         6
                50.96         45.52        1.7921    3   0   0         6
                61.76          4.21        1.5020    2   1   2        12
                62.26          1.63        1.4911    3   1   0         6
                63.46          8.32        1.4658    2   2   1         6
                65.10          4.40        1.4329    1   0   3        12
                66.99          3.97        1.3969    3   0   2        12
                70.19          7.97        1.3408    1   1   3         6
                74.48          4.40        1.2739    2   2   2         6
                76.92          1.33        1.2395    3   1   2        12
                79.96          1.42        1.1998    2   1   3        12
                80.86          1.49        1.1888    3   2   1        12
                85.60          1.17        1.1346    4   1   1        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.