Hydrocerussite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from single crystal data of R070059
      Martinetto P, Anne M, Dooryhee E, Walter P, Tsoucaris G
      Acta Crystallographica C58 (2002) i82-i84
      Synthetic hydrocerussite, 2PbCO3*Pb(OH)2 by X-ray powder diffraction
      Locality: synthetic
      _database_code_amcsd 0010324

      CELL PARAMETERS:   5.2359  5.2359 23.6360   90.000   90.000  120.000
      SPACE GROUP: R-3m      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Pb     0.00000   0.00000   0.21510     1.000     1.358
            Pb     0.91580  -0.91580   0.00160     0.167     1.698
            C      0.00000   0.00000   0.43040     1.000     2.211
            O      0.85680  -0.85680   0.43180     1.000     2.211
            OH    -0.29300   0.29300   0.02000     0.333     0.790

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  4 +/-  4 +/- 21
            MAX. ABS. INTENSITY / VOLUME**2:      170.3019019    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                11.23          2.59        7.8787    0   0   3
                19.94         27.43        4.4532    1   0   1
                20.98         27.09        4.2335    0   1   2
                24.75         74.91        3.5973    1   0   4
                27.25        100.00        3.2724    0   1   5
                33.08          8.72        2.7082    1   0   7
                34.14         34.04        2.6262    0   0   9
                34.25         53.87        2.6179    1   1   0
                36.16          9.28        2.4844    1   1   3
                39.95          1.36        2.2569    0   2   1
                40.51         24.32        2.2266    2   0   2
                42.72         14.84        2.1167    0   2   4
                43.16         18.10        2.0959    1   0  10
                44.31         18.23        2.0443    2   0   5
                46.78          1.67        1.9417    0   1  11
                48.36         12.67        1.8823    0   2   7
                49.14         29.23        1.8541    1   1   9
                54.07         16.37        1.6961    1   2   2
                54.37          3.19        1.6876    1   0  13
                55.86          3.70        1.6460    2   1   4
                56.22          2.51        1.6362    0   2  10
                57.17          7.26        1.6112    1   2   5
                58.32         13.26        1.5822    0   1  14
                58.66          6.97        1.5739    1   1  12
                59.25          3.86        1.5596    2   0  11
                60.59         13.15        1.5283    2   1   7
                61.33          4.07        1.5115    3   0   0
                62.58          3.75        1.4844    0   3   3
                62.58          2.24        1.4844    3   0   3
                62.67          1.29        1.4825    1   2   8
                65.85          1.12        1.4184    0   2  13
                67.51          3.03        1.3875    2   1  10
                69.41          4.23        1.3541    2   0  14
                70.25          3.97        1.3399    1   2  11
                71.90          1.46        1.3131    0   0  18
                72.10          2.02        1.3100    0   3   9
                72.10          1.71        1.3100    3   0   9
                72.16          3.38        1.3090    2   2   0
                73.31          3.91        1.2913    2   2   3
                76.12          6.43        1.2506    3   1   2
                76.72          1.41        1.2422    2   2   6
                77.05          1.74        1.2377    0   2  16
                78.74          2.58        1.2153    3   1   5
                79.73          3.51        1.2027    1   2  14
                79.97          4.04        1.1997    1   0  19
                80.02          3.06        1.1991    0   3  12
                80.02          2.09        1.1991    3   0  12
                81.71          5.96        1.1785    1   3   7
                82.11          2.83        1.1737    1   1  18
                82.30          3.29        1.1715    2   2   9
                86.19          2.79        1.1284    0   4   2
                87.10          3.58        1.1190    2   1  16
                89.96          1.20        1.0906    0   2  19
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.