BN
      Xu Y N, Ching W Y
      Physical Review B48 (1993) 4335-4351
      Electronic, optical, and structural properties of some wurtzite crystals
      _database_code_amcsd 0015174

      CELL PARAMETERS:    2.5360   2.5360   4.1990   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     23.387
      Density (g/cm3):      3.524
      MAX. ABS. INTENSITY / VOLUME**2:      6.153383561    
      RIR:      0.569
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                41.10        100.00        2.1962    1   0   0         6
                43.09         59.26        2.0995    0   0   2         1
                46.67         73.92        1.9461    1   0   1         6
                61.06         21.71        1.5176    1   0   2         6
                74.89         38.47        1.2680    1   1   0         6
                81.56         37.67        1.1803    1   0   3         6
                89.18          5.78        1.0981    2   0   0         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.