K2AlF5
      de Kozak A, Gredin P, Pierrard A, Renaudin J
      Journal of Fluorine Chemistry 77 (1996) 39-44
      The crystal structure of a new form of the dipotassium
      pentafluoroaluminate hydrate, K2AlF5*(H2O), and of its dehydrate, K2AlF5
      _cod_database_code 1000479
      _database_code_amcsd 0013026

      CELL PARAMETERS:    5.9650   5.9650   3.6990   90.000   90.000   90.000
      SPACE GROUP: P4/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    131.615
      Density (g/cm3):      2.525
      MAX. ABS. INTENSITY / VOLUME**2:      19.04127029    
      RIR:      2.455
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.85        100.00        5.9650    1   0   0         4
                21.06          9.77        4.2179    1   1   0         4
                28.39          4.83        3.1436    1   0   1         8
                29.96         11.47        2.9825    2   0   0         4
                32.19         53.55        2.7811    1   1   1         8
                33.60          6.29        2.6676    2   1   0         8
                38.78         75.82        2.3218    2   0   1         8
                42.88         48.60        2.1089    2   2   0         4
                48.25          2.49        1.8863    3   1   0         8
                49.27         16.27        1.8495    0   0   2         2
                51.75          5.26        1.7665    1   0   2         8
                52.23          1.21        1.7513    3   0   1         8
                54.62         14.09        1.6804    3   1   1        16
                55.55          7.61        1.6544    3   2   0         8
                58.74          2.75        1.5718    2   0   2         8
                60.96          1.84        1.5199    2   1   2        16
                61.39          3.42        1.5102    3   2   1        16
                62.26         10.24        1.4913    4   0   0         4
                64.40          2.00        1.4467    4   1   0         8
                67.34         16.68        1.3905    2   2   2         8
                70.62          2.54        1.3338    4   2   0         8
                71.83          4.71        1.3142    3   3   1         8
                75.82          6.80        1.2547    4   2   1        16
                77.39          4.06        1.2331    3   2   2        16
                80.51          1.38        1.1930    5   0   0         4
                81.30          2.15        1.1835    1   1   3         8
                83.22          6.64        1.1609    4   0   2         8
                85.15          1.44        1.1395    4   1   2        16
                85.15          2.96        1.1395    2   0   3         8
                85.53          1.04        1.1354    5   0   1         8
                87.45          4.08        1.1154    5   1   1        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.