Kochkarite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from single crystal data of R100114
      Talybov A G, Vainshtein B K
      Soviet Physics - Crystallography 6 (1962) 432-438
      An electron diffraction study of the structure of PbBi4Te7
      Loality: synthetic
      _database_code_amcsd 0015543

      CELL PARAMETERS:   4.4620  4.4620 17.8100   90.000   90.000  120.000
      SPACE GROUP: P-3m1     

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Bi     0.00000   0.00000   0.00000     1.000     1.500
            Te     0.33333   0.66667   0.11000     1.000     1.000
            Te     0.00000   0.00000   0.33333     0.812     1.000
            Pb     0.00000   0.00000   0.33333     0.188     1.500
            Te     0.33333   0.66667   0.44400     0.812     1.000
            Pb     0.33333   0.66667   0.44400     0.188     1.500
            Bi     0.33333   0.66667   0.77800     1.000     1.500

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  3 +/-  3 +/- 16
            MAX. ABS. INTENSITY / VOLUME**2:      507.1325693    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                 4.96          3.07       17.8100    0   0   1
                19.94          1.30        4.4525    0   0   4
                23.56          2.69        3.7763    1   0   1
                25.12          2.34        3.5448    1   0   2
                27.54        100.00        3.2386    0   1   3
                38.23         39.98        2.3540    1   0   6
                40.43         33.83        2.2310    1   1   0
                45.86          7.62        1.9789    0   0   9
                49.62         17.73        1.8373    2   0   3
                56.86         11.22        1.6193    0   2   6
                62.76         15.93        1.4804    1   1   9
                65.85         13.48        1.4182    1   2   3
                67.62          6.14        1.3855    0   1  12
                72.07          9.86        1.3105    2   1   6
                73.53          4.61        1.2881    3   0   0
                81.84          3.25        1.1770    2   0  12
                85.57          2.85        1.1350    1   0  15
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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.