Matlockite
      Nieuwenkamp W, Bijvoet J
      Zeitschrift fur Kristallographie 81 (1932) 469-473
      Die Kristallstruktur von Bleifluochlorid Pb F Cl
      _cod_database_code 1011046
      _database_code_amcsd 0017948

      CELL PARAMETERS:    4.0900   4.0900   7.2100   90.000   90.000   90.000
      SPACE GROUP: P4/nmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    120.610
      Density (g/cm3):      7.204
      MAX. ABS. INTENSITY / VOLUME**2:      297.4690158    
      RIR:     13.446
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.28         14.40        7.2100    0   0   1         2
                24.70         25.25        3.6050    0   0   2         2
                25.03        100.00        3.5575    1   0   1         8
                30.92         51.43        2.8921    1   1   0         4
                33.12         36.37        2.7044    1   0   2         8
                37.42          3.05        2.4033    0   0   3         2
                39.97         41.78        2.2559    1   1   2         8
                43.68         16.41        2.0721    1   0   3         8
                44.29         24.55        2.0450    2   0   0         4
                46.14          2.01        1.9674    2   0   1         8
                49.30         10.20        1.8484    1   1   3         8
                51.37         12.43        1.7787    2   0   2         8
                51.55         25.87        1.7729    2   1   1        16
                55.73         14.49        1.6494    1   0   4         8
                56.41         13.22        1.6312    2   1   2        16
                59.34          3.08        1.5575    2   0   3         8
                63.96          9.04        1.4555    2   1   3        16
                64.43          6.70        1.4460    2   2   0         4
                64.64          2.46        1.4420    0   0   5         2
                70.12          4.31        1.3421    2   2   2         8
                70.27          4.42        1.3396    3   0   1         8
                73.18          6.56        1.2934    3   1   0         8
                73.37          4.59        1.2905    1   1   5         8
                73.81         10.80        1.2839    2   1   4        16
                74.39          2.50        1.2752    3   0   2         8
                76.95          1.28        1.2390    2   2   3         8
                78.58          8.20        1.2174    3   1   2        16
                81.10          2.00        1.1858    3   0   3         8
                81.71          4.34        1.1785    2   0   5         8
                83.93          2.85        1.1529    1   0   6         8
                85.20          3.01        1.1389    3   1   3        16
                86.94          4.39        1.1206    3   2   1        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.