Graphite
      Kukesh J S, Pauling L
      American Mineralogist 35 (1950) 125-125
      The problem of the graphite structure
      _database_code_amcsd 0000049

      CELL PARAMETERS:    2.4560   4.2540   6.6960   90.000   90.000   90.000
      SPACE GROUP: Fmmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     69.959
      Density (g/cm3):      2.280
      MAX. ABS. INTENSITY / VOLUME**2:      16.80109255    
      RIR:      2.399
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.63        100.00        3.3480    0   0   2         2
                42.50          4.61        2.1270    0   2   0         2
                44.70         15.06        2.0272    1   1   1         8
                50.86          4.46        1.7953    0   2   2         4
                54.84          6.55        1.6740    0   0   4         2
                60.09          4.52        1.5398    1   1   3         8
                71.75          1.16        1.3155    0   2   4         4
                77.77          1.77        1.2280    2   0   0         2
                79.32          6.68        1.2079    1   3   1         8
                83.93          2.86        1.1529    2   0   2         4
                85.73          1.36        1.1333    1   1   5         8
                87.38          1.30        1.1160    0   0   6         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.