D0.51 Nb Se2
      Kulikov L, Semjonov-Kobzar A, Antonova M, Chechovsky A, Akselrud L,
      Skolozdra R, Fruchart D, Soubeyroux J
      Journal of Alloys and Compounds 244 (1996) 11-15
      X-ray and neutron diffraction studies of the formation and structure of
      hydrogen intercalated 2H - Nb Se2 phases
      _cod_database_code 1008740
      _database_code_amcsd 0016621

      CELL PARAMETERS:    3.4369   3.4369  12.9580   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    132.557
      Density (g/cm3):      6.296
      MAX. ABS. INTENSITY / VOLUME**2:      189.9530033    
      RIR:      9.824
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.67         35.30        6.4790    0   0   2         2
                27.53          3.72        3.2395    0   0   4         2
                30.02         37.71        2.9764    1   0   0         6
                33.12          5.33        2.7047    1   0   2        12
                36.67        100.00        2.4509    1   0   3        12
                41.19          1.97        2.1918    1   0   4        12
                41.83          6.05        2.1597    0   0   6         2
                46.46         30.26        1.9545    1   0   5        12
                52.34          4.32        1.7480    1   0   6        12
                53.31         27.19        1.7184    1   1   0         6
                55.31          4.41        1.6610    1   1   2        12
                56.84          6.62        1.6198    0   0   8         2
                58.74          1.34        1.5719    1   0   7        12
                61.04          2.36        1.5181    1   1   4        12
                62.40          3.99        1.4882    2   0   0         6
                65.62          6.09        1.4227    1   0   8        12
                66.45         14.93        1.4070    2   0   3        12
                69.96          6.59        1.3447    1   1   6        12
                73.36          6.65        1.2906    2   0   5        12
                77.97          1.15        1.2254    2   0   6        12
                81.70         12.30        1.1787    1   1   8        12
                89.41          2.43        1.0959    2   0   8        12
                89.47          7.79        1.0953    1   0  11        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.