Thallium
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Body centered cubic, bcc, structure
      _database_code_amcsd 0011233

      CELL PARAMETERS:    3.8820   3.8820   3.8820   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     58.501
      Density (g/cm3):     11.601
      MAX. ABS. INTENSITY / VOLUME**2:      1462.383275    
      RIR:     41.045
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                32.62        100.00        2.7450    1   1   0        12
                46.80         17.56        1.9410    2   0   0         6
                58.21         34.82        1.5848    2   1   1        24
                68.35         10.20        1.3725    2   2   0        12
                77.80         13.47        1.2276    3   1   0        24
                86.93          3.29        1.1206    2   2   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.