BC-8
      Fayos J
      Journal of Solid State Chemistry 148 (1999) 278-285
      Possible 3D carbon structures as progressive intermediates in graphite
      to diamond phase transition
      Note: mathematical model, phase: BC-8
      _database_code_amcsd 0013988

      CELL PARAMETERS:    4.2930   4.2930   4.2930   90.000   90.000   90.000
      SPACE GROUP: Ia3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     79.119
      Density (g/cm3):      4.033
      MAX. ABS. INTENSITY / VOLUME**2:      10.91369176    
      RIR:      0.881
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                42.10         19.51        2.1465    2   0   0         6
                52.19        100.00        1.7526    2   1   1        24
                84.43         41.20        1.1474    3   1   2        24
                84.43          3.86        1.1474    3   2   1        24
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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.