Nickel
      Weik H, Hemenger P
      Bulletin of the American Physical Society 10 (1965) 1140-1140
      Existence of the hexagonal modification of nickel
      Locality: synthetic
      _database_code_amcsd 0012145

      CELL PARAMETERS:    2.6220   2.6220   4.3210   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     25.726
      Density (g/cm3):      7.576
      MAX. ABS. INTENSITY / VOLUME**2:      229.8491159    
      RIR:      9.879
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                39.69         24.85        2.2707    1   0   0         6
                41.81         28.24        2.1605    0   0   2         2
                45.10        100.00        2.0101    1   0   1        12
                59.01         13.37        1.5652    1   0   2        12
                72.04         13.09        1.3110    1   1   0         6
                78.67         14.52        1.2163    1   0   3        12
                85.53          1.86        1.1354    2   0   0         6
                86.92         14.24        1.1208    1   1   2        12
                89.18          9.96        1.0981    2   0   1        12
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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.