NH4AlF4
      Bulou A, Leble A, Hewat A
      Materials Research Bulletin 17 (1982) 391-397
      NH4AlF4: Determination of the Ordered and Disordered Structures by
      Neutron Powder Profile Refinement
      _cod_database_code 1000182
      _database_code_amcsd 0014295

      CELL PARAMETERS:    5.0875   5.0875  12.7319   90.000   90.000   90.000
      SPACE GROUP: I4/mcm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    329.535
      Density (g/cm3):      2.439
      MAX. ABS. INTENSITY / VOLUME**2:      10.66594467    
      RIR:      1.424
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.91        100.00        6.3660    0   0   2         2
                24.75         69.65        3.5974    1   1   0         4
                28.03         24.40        3.1830    0   0   4         2
                28.50         52.18        3.1319    1   1   2         8
                35.28         25.55        2.5438    2   0   0         4
                37.74         12.96        2.3838    1   1   4         8
                38.10         14.14        2.3621    2   0   2         8
                40.27          9.79        2.2397    2   1   1        16
                42.61         16.53        2.1220    0   0   6         2
                45.22          6.32        2.0052    2   1   3        16
                45.65          7.46        1.9871    2   0   4         8
                49.90         23.31        1.8277    1   1   6         8
                50.76         37.13        1.7987    2   2   0         4
                52.89          9.52        1.7309    2   2   2         8
                54.05          3.11        1.6966    2   1   5        16
                57.26         15.79        1.6088    3   1   0         8
                57.95         11.00        1.5915    0   0   8         2
                58.98          4.72        1.5660    2   2   4         8
                59.24         12.83        1.5598    3   1   2        16
                63.97          5.59        1.4554    1   1   8         8
                65.73          1.31        1.4207    2   1   7        16
                68.37          8.46        1.3721    2   2   6         8
                69.70          3.08        1.3492    2   0   8         8
                73.93         13.89        1.2820    3   1   6        16
                74.62          7.14        1.2719    4   0   0         4
                76.36          1.47        1.2472    4   0   2         8
                77.76          1.95        1.2281    4   1   1        16
                80.60         10.74        1.1919    2   2   8         8
                81.18          1.64        1.1848    4   1   3        16
                81.50          1.11        1.1811    4   0   4         8
                85.32          3.58        1.1376    4   2   0         8
                85.90          4.99        1.1314    3   1   8        16
                87.94          1.21        1.1104    4   1   5        16
                89.93          2.44        1.0909    4   0   6         8
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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.