N Ti2
      Christensen A, Alamo A, Landesman J
      Acta Crystallographica C41 (1985) 1009-1011
      Structure of vacancy-ordered titanium heminitride delta-Ti2 N by
      powder neutron diffraction
      _cod_database_code 1100030
      _database_code_amcsd 0018226

      CELL PARAMETERS:    4.1493   4.1493   8.7858   90.000   90.000   90.000
      SPACE GROUP: I4_1/amd  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    151.262
      Density (g/cm3):      4.818
      MAX. ABS. INTENSITY / VOLUME**2:      64.80604380    
      RIR:      4.380
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.71         12.33        3.7519    1   0   1         8
                36.84        100.00        2.4398    1   1   2         8
                37.59          1.26        2.3927    1   0   3         8
                41.10         29.04        2.1964    0   0   4         2
                43.63         53.08        2.0747    2   0   0         4
                50.25          2.03        1.8156    2   1   1        16
                56.91          4.62        1.6181    1   0   5         8
                61.48         27.41        1.5082    2   0   4         8
                63.40         13.65        1.4670    2   2   0         4
                72.09          7.51        1.3102    1   1   6         8
                74.35          3.37        1.2759    2   1   5        16
                75.64         17.11        1.2572    3   1   2        16
                78.39         11.24        1.2199    2   2   4         8
                79.84          1.08        1.2014    1   0   7         8
                89.17          1.32        1.0982    0   0   8         2
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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.