NH4(FeF4)
      Leblanc M, Ferey G, Pape R
      Acta Crystallographica C41 (1985) 657-660
      Room-Temperature Structure of Ammonium Tetrafluorate(III), NH4(FeF4)
      _cod_database_code 1000206
      _database_code_amcsd 0010006

      CELL PARAMETERS:    7.5590   7.5750  12.7540   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    730.287
      Density (g/cm3):      2.653
      MAX. ABS. INTENSITY / VOLUME**2:      29.16684500    
      RIR:      3.580
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.89        100.00        6.3770    0   0   2         2
                17.98          1.15        4.9341    1   1   1         8
                23.49         34.86        3.7875    0   2   0         2
                23.54         31.46        3.7795    2   0   0         2
                27.39         29.51        3.2564    0   2   2         4
                27.43         26.98        3.2514    2   0   2         4
                27.98         15.13        3.1885    0   0   4         2
                30.43          1.29        2.9378    1   0   4         4
                32.69          1.86        2.7390    1   1   4         8
                33.50         17.36        2.6753    2   2   0         4
                38.30          1.11        2.3499    3   1   1         8
                38.41          2.96        2.3434    3   0   2         4
                38.79          1.86        2.3214    1   2   4         8
                40.22          3.11        2.2420    1   3   2         8
                42.53          7.59        2.1257    0   0   6         2
                44.19          1.35        2.0495    2   2   4         8
                44.26          1.24        2.0463    1   0   6         4
                45.52          2.47        1.9928    3   2   2         8
                45.94          1.01        1.9755    1   1   6         8
                48.04         10.60        1.8937    0   4   0         2
                48.15          7.67        1.8898    4   0   0         2
                49.15          8.97        1.8537    0   2   6         4
                49.18          9.45        1.8527    2   0   6         4
                50.26          6.41        1.8154    0   4   2         4
                50.36          5.65        1.8119    4   0   2         4
                54.17          3.75        1.6931    2   4   0         4
                54.25          4.93        1.6910    4   2   0         4
                55.19          4.32        1.6643    2   2   6         8
                56.21          5.97        1.6364    2   4   2         8
                56.28          7.70        1.6345    4   2   2         8
                56.52          4.18        1.6282    0   4   4         4
                56.62          3.58        1.6257    4   0   4         4
                57.84          3.01        1.5942    0   0   8         2
                62.07          1.30        1.4954    2   4   4         8
                62.14          2.32        1.4939    4   2   4         8
                63.29          2.01        1.4694    0   2   8         4
                63.31          2.47        1.4689    2   0   8         4
                66.08          2.53        1.4140    0   4   6         4
                66.17          2.17        1.4123    4   0   6         4
                68.51          4.38        1.3695    2   2   8         8
                70.38          3.06        1.3377    4   4   0         4
                71.20          3.94        1.3243    2   4   6         8
                71.26          3.68        1.3233    4   2   6         8
                72.15          3.06        1.3092    4   4   2         8
                77.00          1.06        1.2385    0   6   2         4
                77.36          2.51        1.2335    4   4   4         8
                78.41          1.57        1.2196    0   4   8         4
                78.49          1.28        1.2185    4   0   8         4
                83.24          1.58        1.1607    2   4   8         8
                83.30          1.40        1.1600    4   2   8         8
                85.83          1.59        1.1321    4   4   6         8
                87.06          1.00        1.1193    6   2   4         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.