Fe2 O8 Pb0.5 Sr3 Tl0.5
      Nguyen N, Groult D, Caignaert V, Ducouret A, Raveau B
      Physica B 228 (1996) 251-260
      Neutron diffraction and Mossbauer spectroscopy studies of the mixed
      valent Tl-1212 ferrite (Tl0.5 Pb0.5) Sr3 Fe2 O8
      _cod_database_code 1001758
      _database_code_amcsd 0015007

      CELL PARAMETERS:    3.8100   3.8100  12.7964   90.000   90.000   90.000
      SPACE GROUP: P4/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    185.756
      Density (g/cm3):      6.331
      MAX. ABS. INTENSITY / VOLUME**2:      144.5164989    
      RIR:      7.432
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 6.91         17.86       12.7964    0   0   1         2
                13.84          6.99        6.3982    0   0   2         2
                20.83          5.07        4.2655    0   0   3         2
                23.35          4.10        3.8100    1   0   0         4
                24.38         18.31        3.6516    1   0   1         8
                27.24         27.00        3.2736    1   0   2         8
                27.89          7.57        3.1991    0   0   4         2
                31.48        100.00        2.8415    1   0   3         8
                33.26         62.18        2.6941    1   1   0         4
                34.01          6.53        2.6363    1   1   1         8
                35.06          5.93        2.5593    0   0   5         2
                36.18          6.45        2.4830    1   1   2         8
                36.68          1.25        2.4500    1   0   4         8
                42.38         14.60        2.1327    0   0   6         2
                42.55          1.45        2.1245    1   0   5         8
                43.94         13.02        2.0607    1   1   4         8
                47.74         28.98        1.9050    2   0   0         4
                48.94          4.32        1.8610    1   0   6         8
                49.10         10.97        1.8555    1   1   5         8
                54.32          3.11        1.6890    2   1   1        16
                54.91         13.87        1.6722    1   1   6         8
                55.78          7.32        1.6482    1   0   7         8
                55.84          5.57        1.6465    2   1   2        16
                56.20          2.96        1.6368    2   0   4         8
                58.31         28.03        1.5823    2   1   3        16
                60.59          3.40        1.5281    2   0   5         8
                63.03          4.07        1.4748    1   0   8         8
                65.72         10.87        1.4208    2   0   6         8
                68.18          1.92        1.3754    1   1   8         8
                69.82          6.59        1.3470    2   2   0         4
                70.72          2.10        1.3321    1   0   9         8
                70.78          1.98        1.3312    2   1   6        16
                76.41          4.34        1.2464    2   1   7        16
                78.60          4.68        1.2172    3   0   3         8
                79.56          5.75        1.2048    3   1   0         8
                80.59          1.02        1.1920    2   2   5         8
                82.76          2.84        1.1662    2   1   8        16
                83.66          2.46        1.1559    1   1  10         8
                85.15          1.16        1.1394    2   0   9         8
                85.20          3.87        1.1389    2   2   6         8
                86.27          1.69        1.1275    3   1   4        16
                87.72          1.39        1.1126    1   0  11         8
                89.85          1.78        1.0917    2   1   9        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.