Titanium
      Hull A W
      Physical Review 18 (1921) 88-89
      Crystal structure of titanium, zirconium, cerium, thorium and osmium
      Locality: synthetic, known as the alpha phase
      _database_code_amcsd 0015116

      CELL PARAMETERS:    2.9700   2.9700   4.7200   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     36.057
      Density (g/cm3):      8.817
      MAX. ABS. INTENSITY / VOLUME**2:      90.48839012    
      RIR:      3.342
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                34.88         98.60        2.5721    1   0   0         6
                38.13        100.00        2.3600    0   0   2         2
                52.63         50.81        1.7389    1   0   2        12
                62.55         53.93        1.4850    1   1   0         6
                73.66          7.39        1.2860    2   0   0         6
                75.67         53.77        1.2569    1   1   2        12
                81.58          6.97        1.1800    0   0   4         2
                86.11          8.88        1.1293    2   0   2        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.