Brownmillerite
      Colville A A, Geller S
      Acta Crystallographica B27 (1971) 2311-2315
      The crystal structure of brownmillerite, Ca2FeAlO5
      Locality: synthetic
      Note: no bond lengths could be reproduced
      _database_code_amcsd 0009418

      CELL PARAMETERS:    5.5840  14.6000   5.3740   90.000   90.000   90.000
      SPACE GROUP: Ibm2      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    438.123
      Density (g/cm3):      3.683
      MAX. ABS. INTENSITY / VOLUME**2:      25.41749147    
      RIR:      2.247
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.12         36.98        7.3000    0   2   0         2
                17.00          2.47        5.2155    1   1   0         4
                22.97          4.73        3.8721    1   0   1         2
                24.26         11.67        3.6688    1   3   0         4
                24.39          3.05        3.6500    0   4   0         2
                26.05          3.65        3.4207    1   2   1         4
                32.06         34.83        2.7920    2   0   0         2
                33.35         43.97        2.6870    0   0   2         1
                33.75        100.00        2.6560    1   4   1         4
                34.67         10.35        2.5876    1   5   0         4
                36.79          3.44        2.4427    2   1   1         4
                40.69          4.45        2.2176    2   4   0         4
                41.66          5.31        2.1678    1   3   2         4
                41.74          4.18        2.1639    0   4   2         2
                43.95         25.58        2.0603    1   6   1         4
                46.93         44.60        1.9361    2   0   2         2
                48.17          2.38        1.8892    2   5   1         4
                48.66         11.53        1.8714    2   2   2         4
                49.98         18.30        1.8250    0   8   0         2
                50.61          1.23        1.8037    0   6   2         2
                52.65          7.34        1.7385    3   3   0         4
                55.31          1.40        1.6610    1   2   3         4
                55.68          1.85        1.6508    1   8   1         4
                57.78          2.70        1.5956    2   7   1         4
                58.23         17.53        1.5845    3   4   1         4
                58.83          2.38        1.5696    3   5   0         4
                59.85         19.93        1.5453    1   4   3         4
                60.62          6.14        1.5276    2   8   0         4
                61.17          1.01        1.5150    2   6   2         4
                61.41          7.98        1.5097    0   8   2         2
                61.87          2.35        1.4997    2   1   3         4
                63.76          3.87        1.4596    3   3   2         4
                65.48          4.78        1.4254    3   6   1         4
                67.00          5.46        1.3967    1   6   3         4
                67.04          2.25        1.3960    4   0   0         2
                68.42          3.89        1.3712    4   2   0         4
                68.71          2.51        1.3661    1  10   1         4
                69.34          3.35        1.3553    3   5   2         4
                69.92          1.55        1.3454    4   1   1         4
                70.03          4.72        1.3435    0   0   4         1
                70.26          1.02        1.3397    2   5   3         4
                70.97         12.64        1.3280    2   8   2         4
                71.39          2.19        1.3213    0   2   4         2
                73.15          1.01        1.2938    2  10   0         4
                76.97          1.29        1.2388    4   0   2         2
                78.24          1.65        1.2219    2   7   3         4
                78.62          4.58        1.2169    3   4   3         4
                79.11          3.12        1.2106    2   0   4         2
                82.80          3.22        1.1657    2  10   2         4
                83.24          3.50        1.1607    1  12   1         4
                85.08          2.88        1.1402    3   6   3         4
                85.66          2.46        1.1340    4   7   1         4
                88.06          1.27        1.1092    1  10   3         4
                88.10          1.15        1.1088    4   8   0         4
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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.