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 1001757
      _database_code_amcsd 0015006

      CELL PARAMETERS:    3.8147   3.8147  12.8293   90.000   90.000   90.000
      SPACE GROUP: P4/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    186.695
      Density (g/cm3):      6.299
      MAX. ABS. INTENSITY / VOLUME**2:      144.6438916    
      RIR:      7.477
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 6.89         18.16       12.8293    0   0   1         2
                13.81          7.06        6.4146    0   0   2         2
                20.77          4.98        4.2764    0   0   3         2
                23.32          4.04        3.8147    1   0   0         4
                24.34         18.04        3.6565    1   0   1         8
                27.20         26.76        3.2788    1   0   2         8
                27.82          7.40        3.2073    0   0   4         2
                31.42        100.00        2.8467    1   0   3         8
                33.21         61.80        2.6974    1   1   0         4
                33.96          6.59        2.6397    1   1   1         8
                34.97          5.86        2.5659    0   0   5         2
                36.12          6.61        2.4865    1   1   2         8
                36.60          1.17        2.4549    1   0   4         8
                42.27         14.73        2.1382    0   0   6         2
                42.46          1.43        2.1291    1   0   5         8
                43.86         12.81        2.0644    1   1   4         8
                47.68         28.84        1.9074    2   0   0         4
                48.83          4.15        1.8652    1   0   6         8
                49.00         10.98        1.8591    1   1   5         8
                54.24          3.06        1.6911    2   1   1        16
                54.78         14.04        1.6756    1   1   6         8
                55.64          7.23        1.6520    1   0   7         8
                55.76          5.57        1.6487    2   1   2        16
                56.10          2.95        1.6394    2   0   4         8
                58.22         28.19        1.5846    2   1   3        16
                60.48          3.40        1.5308    2   0   5         8
                62.86          4.16        1.4783    1   0   8         8
                65.59         10.99        1.4234    2   0   6         8
                68.01          1.91        1.3785    1   1   8         8
                69.72          6.58        1.3487    2   2   0         4
                70.53          2.18        1.3353    1   0   9         8
                70.63          1.89        1.3336    2   1   6        16
                76.25          4.27        1.2487    2   1   7        16
                78.47          4.74        1.2188    3   0   3         8
                79.44          5.73        1.2063    3   1   0         8
                80.44          1.03        1.1938    2   2   5         8
                82.56          2.92        1.1685    2   1   8        16
                83.43          2.46        1.1586    1   1  10         8
                84.93          1.13        1.1418    2   0   9         8
                85.03          3.92        1.1407    2   2   6         8
                86.12          1.70        1.1291    3   1   4        16
                87.45          1.33        1.1153    1   0  11         8
                89.62          1.86        1.0939    2   1   9        16
                89.85          1.98        1.0917    3   1   5        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.