Barberiite
      Caron A P, Ragle J L
      Acta Crystallographica B27 (1971) 1102-1107
      Refinement of the structure of orthorhombic ammonium tetrafluoroborate, NH4BF4
      Locality: synthetic
      _database_code_amcsd 0019268

      CELL PARAMETERS:    9.0770   5.6790   7.2790   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    375.220
      Density (g/cm3):      1.856
      MAX. ABS. INTENSITY / VOLUME**2:      2.511756226    
      RIR:      0.441
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.60         28.45        5.6786    1   0   1         4
                19.56         23.24        4.5385    2   0   0         2
                19.83         94.14        4.4775    0   1   1         4
                23.09         48.41        3.8512    2   0   1         4
                24.46         46.80        3.6395    0   0   2         2
                25.12         89.52        3.5454    2   1   0         4
                26.38          9.26        3.3781    1   0   2         4
                27.99        100.00        3.1874    2   1   1         8
                30.80         72.04        2.9033    1   1   2         8
                31.51         23.82        2.8395    0   2   0         2
                31.51         22.18        2.8393    2   0   2         4
                32.03          2.55        2.7939    3   0   1         4
                35.34         55.25        2.5397    1   2   1         8
                35.34          5.63        2.5396    2   1   2         8
                35.82         11.42        2.5069    3   1   1         8
                37.36         14.20        2.4072    2   2   0         4
                38.40         12.97        2.3440    1   0   3         4
                38.70         39.72        2.3267    3   0   2         4
                39.43         39.31        2.2855    2   2   1         8
                39.72          7.33        2.2692    4   0   0         2
                40.28         12.85        2.2387    0   2   2         4
                40.43          8.47        2.2312    0   1   3         4
                41.55         23.29        2.1736    1   2   2         8
                41.68         23.43        2.1667    1   1   3         8
                41.69         23.63        2.1664    4   0   1         4
                41.96         14.94        2.1530    3   1   2         8
                42.24          5.28        2.1397    2   0   3         4
                42.92         12.54        2.1072    4   1   0         4
                44.77          1.78        2.0241    4   1   1         8
                45.16          2.23        2.0078    2   2   2         8
                45.29          1.12        2.0023    2   1   3         8
                48.07          3.42        1.8929    3   0   3         4
                49.77          2.15        1.8321    0   3   1         4
                50.02          7.36        1.8236    4   1   2         8
                50.49         11.67        1.8077    1   2   3         8
                50.84          1.11        1.7958    1   3   1         8
                51.20          1.91        1.7842    1   0   4         4
                53.18          6.50        1.7224    4   2   1         8
                53.63          2.07        1.7089    2   2   3         8
                53.86          1.64        1.7022    1   1   4         8
                54.55          3.20        1.6824    5   1   1         8
                55.44         11.81        1.6574    4   0   3         4
                55.66         18.17        1.6514    1   3   2         8
                56.66          5.88        1.6245    5   0   2         4
                57.86          1.34        1.5937    4   2   2         8
                58.61          2.36        1.5750    2   3   2         8
                58.61          4.39        1.5750    3   2   3         8
                59.25          2.23        1.5594    3   0   4         4
                60.42          2.26        1.5321    0   2   4         4
                62.20          4.71        1.4925    0   3   3         4
                64.06          8.53        1.4536    4   3   0         4
                64.87          3.55        1.4374    1   0   5         4
                65.08          3.11        1.4332    6   1   1         8
                65.18          1.06        1.4314    4   2   3         8
                65.78          3.75        1.4197    0   4   0         2
                66.99          2.17        1.3970    6   0   2         4
                68.08          1.80        1.3773    4   1   4         8
                68.67          4.28        1.3669    3   2   4         8
                69.84          1.36        1.3467    2   1   5         8
                70.33          2.60        1.3385    3   3   3         8
                70.54          1.62        1.3352    6   2   0         4
                72.85          1.48        1.2984    1   3   4         8
                73.14          3.35        1.2939    5   2   3         8
                82.36          1.75        1.1709    5   2   4         8
                85.60          1.20        1.1346    8   0   0         2
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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.