Carbon
      Ownby P D, Yang X, Liu J
      Journal of the American Ceramic Society 75 (1992) 1876-1883
      Calculated X-ray diffraction data for diamond polytypes
      Note: rhombohedral, 15R structure
      Note: theoretically calculated structure values
      _database_code_amcsd 0014070

      CELL PARAMETERS:    2.5221   2.5221  30.8893   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    170.162
      Density (g/cm3):      3.516
      MAX. ABS. INTENSITY / VOLUME**2:      4.752047906    
      RIR:      0.440
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                41.44         10.40        2.1788    1   0   1         6
                41.77         35.79        2.1627    0   1   2         6
                43.04         76.70        2.1018    1   0   4         6
                43.97         67.61        2.0593    0   0  15         2
                43.97         32.39        2.0593    0   1   5         6
                46.39         31.97        1.9575    1   0   7         6
                47.85         13.08        1.9011    0   1   8         6
                53.12          1.22        1.7241    0   1  11         6
                57.29          2.24        1.6080    1   0  13         6
                64.41          1.20        1.4465    1   0  16         6
                66.99          4.76        1.3969    0   1  17         6
                72.47         14.58        1.3041    1   0  19         6
                75.37          7.84        1.2611    0   1  20         6
                75.37         49.38        1.2610    1   1   0         6
                81.49         16.70        1.1811    1   0  22         6
                84.73         13.29        1.1440    0   1  23         6
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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.