Laurelite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the single crystal data of R100011
      Merlino S, Pasero M, Perchiazzi N, Kampf A R
      American Mineralogist 81 (1996) 1277-1281
      Laurelite: Its crystal structure and relationship to alpha-PbF2
      AMCSD#0001837

      CELL PARAMETERS:  10.2654 10.2654  3.9792   90.000   90.000  120.000
      SPACE GROUP: P-6       

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Pb     0.58450   0.69340   0.50000     0.955     1.295
            Pb     0.57200   0.71000   0.00000     0.045     4.027
            Pb     0.88550   0.59840   0.00000     0.955     1.279
            Pb     0.85300   0.56800   0.50000     0.045     0.158
            Pb     0.00000   0.00000   0.50000     0.955     2.298
            Pb     0.00000   0.00000   0.00000     0.045     3.158
            Cl     0.33333   0.66667   0.00000     1.000     1.737
            Cl     0.66667   0.33333   0.50000     1.000     1.737
            F      0.04800   0.62000   0.50000     1.000     1.421
            F      0.60900   0.57000   0.00000     1.000     1.895
            F      0.07900   0.86800   0.00000     1.000     3.079
            F      0.83400   0.72900   0.50000     1.000     1.658

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  8 +/-  8 +/-  3
            MAX. ABS. INTENSITY / VOLUME**2:      296.3129692    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                 9.95          1.27        8.8901    1   0   0
                17.28          3.14        5.1327    1   1   0
                19.97          1.75        4.4450    2   0   0
                22.34          1.18        3.9792    0   0   1
                24.51         20.80        3.6320    1   0   1
                26.53         96.65        3.3601    1   2   0
                26.53          3.35        3.3601    2   1   0
                28.38         43.74        3.1448    1   1   1
                30.14         29.50        2.9648    2   0   1
                30.16          8.28        2.9634    3   0   0
                34.95          4.99        2.5673    1   2   1
                34.95         19.07        2.5673    2   1   1
                36.44          1.42        2.4657    3   1   0
                37.85          7.18        2.3767    3   0   1
                40.59          3.44        2.2225    4   0   0
                41.89          1.91        2.1567    2   2   1
                43.16          1.03        2.0959    1   3   1
                43.16         21.66        2.0959    3   1   1
                44.42          2.80        2.0395    3   2   0
                45.59         13.67        1.9896    0   0   2
                46.82         14.76        1.9404    4   0   1
                46.83         22.80        1.9400    4   1   0
                50.27          3.88        1.8150    3   2   1
                50.27         18.09        1.8150    2   3   1
                52.48          5.85        1.7438    1   4   1
                53.53         25.52        1.7120    1   2   2
                54.63          8.10        1.6801    2   4   0
                54.63          2.43        1.6801    4   2   0
                55.64          2.37        1.6518    3   0   2
                57.74          2.12        1.5967    1   5   0
                58.74          3.26        1.5718    3   3   1
                62.67          1.61        1.4824    4   0   2
                65.55          1.38        1.4242    3   2   2
                65.58          1.17        1.4236    2   5   0
                67.42         12.69        1.3890    4   1   2
                67.45          4.27        1.3885    6   0   1
                68.38          3.15        1.3719    4   3   1
                70.22          4.62        1.3404    5   2   1
                73.78          2.36        1.2842    1   1   3
                73.82          5.76        1.2836    2   4   2
                73.82          1.65        1.2836    4   2   2
                73.85          3.96        1.2833    1   6   1
                73.85          1.18        1.2833    6   1   1
                73.85          1.35        1.2832    4   4   0
                74.68          1.73        1.2710    2   0   3
                74.75          2.00        1.2700    5   3   0
                74.75          1.93        1.2700    7   0   0
                76.50          1.64        1.2453    1   5   2
                77.34          1.40        1.2338    2   1   3
                79.16          4.17        1.2099    3   5   1
                81.79          1.87        1.1775    7   1   0
                82.60          2.32        1.1681    3   1   3
                85.20          2.01        1.1390    4   0   3
                87.79          2.84        1.1119    2   3   3
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.