Wulfenite
Diffraction data computed using the structure from the paper listed below, 
along with the cell parameters refined from the powder pattern of R050149
      Leciejewicz J
      Zeitschrift fur Kristallographie 121 (1965) 158-164
      A neutron crystallographic investigation of lead molybdenum oxide, PbMoO4
      Locality: Los Lamentos, Mexico

      CELL PARAMETERS:   5.4310  5.4310 12.1192   90.000   90.000   90.000
      ALTERNATE SETTING FOR SPACE GROUP: I4_1/a    

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Pb     0.00000   0.25000   0.62500     1.000     1.079
            Mo     0.00000   0.25000   0.12500     1.000     0.678
            O      0.23520   0.11340   0.04390     1.000     1.317

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  4 +/-  4 +/- 11
            MAX. ABS. INTENSITY / VOLUME**2:      375.6027301    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                17.90         11.56        4.9561    1   0   1
                27.50        100.00        3.2437    1   1   2
                27.52          3.65        3.2414    1   0   3
                29.48         16.49        3.0298    0   0   4
                32.99         23.16        2.7155    2   0   0
                37.78          5.41        2.3815    2   1   1
                37.78          1.18        2.3815    1   2   1
                40.77          3.27        2.2134    1   0   5
                43.48          1.28        2.0816    2   1   3
                43.48          3.74        2.0816    1   2   3
                44.82         27.29        2.0222    2   0   4
                47.34         11.01        1.9201    2   2   0
                51.01          1.43        1.7905    3   0   1
                51.09         16.00        1.7877    1   1   6
                55.62         10.73        1.6523    3   1   2
                55.62         13.56        1.6523    1   3   2
                55.63          1.03        1.6520    3   0   3
                55.73          1.16        1.6495    1   0   7
                56.76         11.33        1.6219    2   2   4
                61.18          1.83        1.5149    0   0   8
                69.19          2.97        1.3578    4   0   0
                71.28          5.97        1.3230    2   0   8
                72.20          6.42        1.3084    3   1   6
                72.20          4.45        1.3084    1   3   6
                75.98          4.57        1.2525    3   3   2
                76.95          4.25        1.2390    4   0   4
                78.81          2.29        1.2144    2   4   0
                78.81          2.11        1.2144    4   2   0
                80.81          3.58        1.1893    2   2   8
                83.68          3.35        1.1557    1   1  10
                86.30          2.98        1.1272    4   2   4
                86.30          2.87        1.1272    2   4   4
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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.