(NH4)H8Fe3(PO4)6(H2O)6
      Moore P B, Araki T
      American Mineralogist 64 (1979) 587-592
      Crystal structure of synthetic (NH4)H8Fe3(PO4)6(H2O)6
      _database_code_amcsd 0000736

      CELL PARAMETERS:    9.1510   9.1510  16.8620   90.000   90.000  120.000
      SPACE GROUP: P3c1      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1222.860
      Density (g/cm3):      2.369
      MAX. ABS. INTENSITY / VOLUME**2:      25.58618399    
      RIR:      3.517
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.49          8.47        8.4310    0   0   2         1
                11.16        100.00        7.9250    1   0   0         3
                15.34         18.38        5.7744    0   1   2         3
                15.34         11.47        5.7744    1   0   2         3
                19.40          6.81        4.5755    1   1   0         6
                20.11         10.21        4.4158    1   1   1         6
                22.10          3.11        4.0215    1   1   2         6
                22.44          2.75        3.9625    2   0   0         3
                23.91         11.41        3.7217    0   1   4         3
                24.83         17.86        3.5862    2   0   2         3
                25.10         17.93        3.5484    1   1   3         6
                28.80         20.73        3.1003    1   1   4         6
                30.31          3.57        2.9492    1   2   1         6
                30.97         10.77        2.8872    0   2   4         3
                30.97         15.69        2.8872    2   0   4         3
                31.70          8.08        2.8225    1   2   2         6
                31.70          5.34        2.8225    2   1   2         6
                33.00          2.47        2.7147    1   1   5         6
                33.91          2.12        2.6434    1   2   3         6
                33.91          1.32        2.6434    2   1   3         6
                33.94          1.72        2.6417    3   0   0         3
                35.62          1.16        2.5208    0   3   2         3
                35.62          1.16        2.5208    3   0   2         3
                36.81          3.64        2.4417    1   2   4         6
                36.81          1.78        2.4417    2   1   4         6
                39.30          2.33        2.2923    0   2   6         3
                39.39          2.62        2.2878    2   2   0         6
                40.29          1.59        2.2385    3   0   4         3
                41.06          1.02        2.1980    3   1   0         6
                41.43          3.80        2.1796    1   3   1         6
                42.50          1.24        2.1269    3   1   2         6
                42.67          2.84        2.1190    2   2   3         6
                42.91          1.84        2.1077    0   0   8         1
                44.19          3.85        2.0495    2   1   6         6
                45.80          1.13        1.9812    4   0   0         3
                46.60          2.23        1.9490    3   1   4         6
                50.18          1.96        1.8181    3   2   0         6
                51.51          1.47        1.7742    2   2   6         6
                52.88          1.45        1.7314    1   3   6         6
                52.95          2.99        1.7294    4   1   0         6
                53.13          2.85        1.7238    1   2   8         6
                53.13          1.92        1.7238    2   1   8         6
                54.14          1.16        1.6941    4   1   2         6
                55.00          2.00        1.6695    2   3   4         6
                56.86          2.75        1.6193    4   0   6         3
                57.61          1.50        1.6000    4   1   4         6
                58.32          1.22        1.5822    1   1  10         6
                59.59          1.18        1.5516    2   0  10         3
                60.72          1.24        1.5252    3   3   0         6
                60.89          1.79        1.5213    1   3   8         6
                60.89          1.31        1.5213    3   1   8         6
                64.56          1.00        1.4436    0   4   8         3
                66.22          1.21        1.4113    4   2   4         6
                69.73          1.00        1.3486    1   5   4         6
                74.82          1.43        1.2690    5   2   0         6
                76.53          1.36        1.2448    3   4   4         6
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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.