Graphite
      Hassel O
      Zeitschrift fur Physik 25 (1924) 317-337
      Ueber die Kristallstruktur des Graphits.
      _cod_database_code 1011060
      _database_code_amcsd 0017960

      CELL PARAMETERS:    2.4700   2.4700   6.7900   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     35.875
      Density (g/cm3):      2.223
      MAX. ABS. INTENSITY / VOLUME**2:      16.70193629    
      RIR:      2.446
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.25        100.00        3.3950    0   0   2         1
                42.25          3.38        2.1391    1   0   0         6
                44.40         16.64        2.0402    1   0   1         6
                50.42          3.34        1.8098    1   0   2         6
                54.02          6.63        1.6975    0   0   4         1
                59.46          5.08        1.5546    1   0   3         6
                77.25          1.73        1.2350    1   1   0         6
                83.25          2.79        1.1606    1   1   2         6
                84.51          1.51        1.1465    1   0   5         6
                85.88          1.28        1.1317    0   0   6         1
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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.