Fe2 O9 Pb0.78 Sr4
      Lucas S, Groult D, Nguyen N, Michel C, Hervieu M, Raveau B
      Journal of Solid State Chemistry 102 (1993) 20-30
      Pb1-xSr4Fe2O9-d: a layered iron oxide intergrowth of 1201- and
      0201-type structures
      _cod_database_code 1001559
      _database_code_amcsd 0013759

      CELL PARAMETERS:    3.8349   3.8349  30.6640   90.000   90.000   90.000
      SPACE GROUP: I4/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    450.959
      Density (g/cm3):      5.661
      MAX. ABS. INTENSITY / VOLUME**2:      114.0981984    
      RIR:      6.563
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 5.76          7.93       15.3320    0   0   2         2
                17.35          7.14        5.1107    0   0   6         2
                23.38          1.10        3.8053    1   0   1         8
                24.80         13.85        3.5905    1   0   3         8
                27.43         10.47        3.2515    1   0   5         8
                29.12          8.76        3.0664    0   0  10         2
                30.99        100.00        2.8854    1   0   7         8
                33.03         63.19        2.7117    1   1   0         4
                33.56          1.04        2.6702    1   1   2         8
                35.10          4.48        2.5565    1   1   4         8
                35.12          2.56        2.5553    0   0  12         2
                39.98          1.87        2.2548    1   0  11         8
                41.22         14.97        2.1903    0   0  14         2
                44.61         20.31        2.0313    1   1  10         8
                45.13          6.29        2.0091    1   0  13         8
                47.41         28.42        1.9174    2   0   0         4
                48.98          3.51        1.8597    1   1  12         8
                50.86          1.44        1.7953    2   0   6         8
                53.80         13.21        1.7039    1   1  14         8
                54.23          2.01        1.6914    2   1   3        16
                55.65          2.26        1.6517    2   1   5        16
                56.37          7.45        1.6322    1   0  17         8
                56.61          4.23        1.6258    2   0  10         8
                57.73         29.64        1.5970    2   1   7        16
                60.35          1.25        1.5337    2   0  12         8
                60.37          1.90        1.5332    0   0  20         2
                62.43          2.02        1.4875    1   0  19         8
                64.60         10.04        1.4427    2   0  14         8
                67.53          2.09        1.3871    2   1  13        16
                68.80          1.21        1.3646    1   0  21         8
                69.30          6.19        1.3558    2   2   0         4
                70.57          2.83        1.3346    1   1  20         8
                76.67          4.19        1.2429    2   1  17        16
                76.88          1.29        1.2400    2   2  10         8
                77.84          4.68        1.2271    3   0   7         8
                78.94          5.67        1.2127    3   1   0         8
                80.15          2.66        1.1975    2   0  20         8
                81.98          1.38        1.1753    2   1  19        16
                83.67          3.07        1.1558    1   1  24         8
                83.94          3.29        1.1528    2   2  14         8
                86.25          3.03        1.1277    3   1  10        16
                87.80          1.11        1.1118    2   1  21        16
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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.