CaC2
      Dehlinger U, Glocker R
      Zeitschrift fur Kristallographie 64 (1926) 296-302
      Die Kristallstruktur des Calciumcarbides.
      _cod_database_code 1010500
      _database_code_amcsd 0017416

      CELL PARAMETERS:    5.7300   5.7300   5.7300   90.000   90.000   90.000
      SPACE GROUP: Pn3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    188.133
      Density (g/cm3):      2.263
      MAX. ABS. INTENSITY / VOLUME**2:      22.39421638    
      RIR:      3.223
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.94         48.36        4.0517    1   1   0        12
                26.95        100.00        3.3082    1   1   1         8
                31.22         43.48        2.8650    2   0   0         6
                38.48          1.38        2.3393    2   1   1        24
                44.73         43.30        2.0259    2   2   0        12
                47.61          4.11        1.9100    2   2   1        24
                53.00         56.78        1.7277    3   1   1        24
                55.56         11.55        1.6541    2   2   2         8
                65.12          1.87        1.4325    4   0   0         6
                67.38          2.67        1.3897    3   2   2        24
                71.81          7.38        1.3146    3   3   1        24
                73.98          7.30        1.2813    4   0   2        12
                73.98          7.30        1.2813    4   2   0        12
                82.46          7.36        1.1696    4   2   2        24
                88.71          4.31        1.1027    3   3   3         8
                88.71          6.34        1.1027    5   1   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.