Hematophanite
Diffraction data computed using the structure from the paper listed below, 
along with the cell parameters refined from single crystal data of R070638
      Rouse R C
      Mineralogical Magazine 39 (1973) 49-53
      Hematophanite, a derivative of the perovskite structure
      Locality: Langban, Sweden

      CELL PARAMETERS:   3.9060  3.9060 15.2840   90.000   90.000   90.000
      SPACE GROUP: P4mm      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Pb     0.00000   0.00000   0.00000     1.000     0.420
            Pb     0.00000   0.00000   0.23700     1.000     0.950
            Pb     0.00000   0.00000   0.50100     1.000     0.560
            Pb     0.00000   0.00000   0.74500     1.000     1.100
            Fe     0.50000   0.50000   0.36300     1.000     0.500
            Fe     0.50000   0.50000   0.61900     1.000     0.500
            Fe     0.50000   0.50000   0.87000     1.000     0.500
            O      0.50000   0.00000   0.33900     1.000     1.400
            O      0.50000   0.50000   0.47800     1.000     0.860
            O      0.50000   0.00000   0.60700     1.000     4.000
            O      0.50000   0.50000   0.74700     1.000     1.600
            O      0.50000   0.00000   0.91500     1.000     0.290
            Cl     0.50000   0.50000   0.12100     1.000     2.000

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    0.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  3 +/-  3 +/- 14
            MAX. ABS. INTENSITY / VOLUME**2:      369.0529721    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                 5.78          4.51       15.2840    0   0   1
                22.77         40.00        3.9060    1   0   0
                23.28         18.32        3.8210    0   0   4
                25.61          1.16        3.4780    1   0   2
                32.42         49.08        2.7620    1   1   0
                32.79        100.00        2.7314    1   0   4
                40.29         27.53        2.2384    1   1   4
                46.50         24.20        1.9530    2   0   0
                47.60          8.92        1.9105    0   0   8
                48.62          1.07        1.8725    1   1   6
                52.38          9.09        1.7468    2   1   0
                52.63          8.79        1.7390    2   0   4
                53.38          8.03        1.7162    1   0   8
                58.06         36.22        1.5887    2   1   4
                58.77         18.12        1.5712    1   1   8
                67.87          6.81        1.3810    2   2   0
                68.73         10.64        1.3657    2   0   8
                72.61          1.70        1.3020    3   0   0
                72.82          3.33        1.2988    2   2   4
                73.45          6.14        1.2892    2   1   8
                77.24          7.14        1.2352    3   1   0
                77.44          7.20        1.2324    3   0   4
                79.08          5.94        1.2109    1   0  12
                81.98          6.01        1.1753    3   1   4
                83.60          1.90        1.1566    1   1  12
                87.07          5.27        1.1192    2   2   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.