Ir K3 N6 O12
      Ferrari A, Colla C
      Gazzetta Chimica Italiana 63 (1933) 507-513
      Iridionitriti di ammonio, potassio, rubidio, cesio, tallio e bario
      _cod_database_code 1010343
      _database_code_amcsd 0017269

      CELL PARAMETERS:   10.5700  10.5700  10.5700   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1180.932
      Density (g/cm3):      3.293
      MAX. ABS. INTENSITY / VOLUME**2:      102.7409112    
      RIR:     10.159
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.51        100.00        6.1026    1   1   1         8
                16.78         53.45        5.2850    2   0   0         6
                23.81         59.33        3.7371    2   2   0        12
                28.00         11.93        3.1870    3   1   1        24
                29.27          1.12        3.0513    2   2   2         8
                33.92         16.25        2.6425    4   0   0         6
                37.07          7.67        2.4249    3   3   1        24
                38.07          5.40        2.3635    4   2   0        24
                41.87         26.83        2.1576    4   2   2        24
                44.54          6.81        2.0342    3   3   3         8
                44.54          3.84        2.0342    5   1   1        24
                48.73          9.90        1.8685    4   4   0        12
                51.12          5.00        1.7867    5   3   1        48
                51.90          2.71        1.7617    6   0   0         6
                51.90          9.36        1.7617    4   4   2        24
                54.94         10.73        1.6713    6   2   0        24
                57.14          6.65        1.6119    5   3   3        24
                60.70          8.51        1.5256    4   4   4         8
                62.78          5.15        1.4801    7   1   1        24
                62.78          1.12        1.4801    5   5   1        24
                63.46          1.29        1.4658    6   4   0        24
                66.16          9.84        1.4125    6   4   2        48
                68.14          2.37        1.3761    7   3   1        48
                68.14          2.77        1.3761    5   5   3        24
                71.39          3.32        1.3212    8   0   0         6
                73.95          2.21        1.2818    8   2   0        24
                73.95          2.03        1.2818    6   4   4        24
                76.47          1.80        1.2457    6   6   0        12
                76.47          2.88        1.2457    8   2   2        24
                78.34          1.58        1.2205    7   5   1        48
                81.44          3.15        1.1818    8   4   0        24
                83.28          1.22        1.1602    9   1   1        24
                83.28          1.10        1.1602    7   5   3        48
                83.90          1.06        1.1533    8   4   2        48
                86.34          1.87        1.1268    6   6   4        24
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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.