Europium
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Sample at T = 5 K
      Body centered cubic, bcc, structure
      _database_code_amcsd 0011212

      CELL PARAMETERS:    4.5510   4.5510   4.5510   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     94.259
      Density (g/cm3):      5.353
      MAX. ABS. INTENSITY / VOLUME**2:      483.8355910    
      RIR:     29.428
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.72        100.00        3.2180    1   1   0        12
                39.61         18.19        2.2755    2   0   0         6
                49.03         36.54        1.8579    2   1   1        24
                57.26         10.62        1.6090    2   2   0        12
                64.78         13.56        1.4392    3   1   0        24
                71.86          3.10        1.3138    2   2   2         8
                78.67         13.57        1.2163    3   2   1        48
                85.31          1.31        1.1378    4   0   0         6
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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.