Cr7C3
      Rouault M, Herpin P, Fruchart M
      Annales de Chimie 5 (1970) 461-470
      Etude cristallographique des carbures Cr7C3 et Mn7C3
      _cod_database_code 1009019
      _database_code_amcsd 0016881

      CELL PARAMETERS:    7.0100  12.1420   4.5260   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    385.232
      Density (g/cm3):      6.896
      MAX. ABS. INTENSITY / VOLUME**2:      68.22147319    
      RIR:      3.221
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.68          1.14        3.2225    1   2   1         8
                29.61          1.96        3.0170    0   3   1         4
                33.16          4.57        2.7017    2   1   1         8
                37.93          2.50        2.3723    1   4   1         8
                39.26         10.16        2.2946    1   5   0         4
                39.26         11.84        2.2946    2   4   0         4
                39.26         11.20        2.2946    3   1   0         4
                39.41         13.96        2.2866    2   3   1         8
                39.83          1.89        2.2630    0   0   2         2
                40.55          6.41        2.2247    0   1   2         4
                41.95          2.07        2.1536    1   0   2         4
                42.23         10.63        2.1398    0   5   1         4
                42.64         15.68        2.1205    0   2   2         4
                42.64         30.50        2.1205    1   1   2         8
                44.26         34.05        2.0466    1   5   1         8
                44.26         32.49        2.0466    2   4   1         8
                44.26         33.46        2.0466    3   1   1         8
                44.79          3.96        2.0237    0   6   0         2
                44.79          7.73        2.0236    3   3   0         4
                46.21         16.81        1.9646    3   2   1         8
                47.84          3.12        1.9012    1   3   2         8
                47.84          1.71        1.9012    2   0   2         4
                49.33          3.50        1.8474    0   6   1         4
                49.33          7.34        1.8474    3   3   1         8
                50.29          8.21        1.8143    0   4   2         4
                50.29         17.53        1.8143    2   2   2         8
                51.13          5.85        1.7864    1   6   1         8
                52.19         10.97        1.7525    2   6   0         4
                52.19          5.64        1.7525    4   0   0         2
                53.23          1.63        1.7208    2   3   2         8
                53.47          8.04        1.7137    3   4   1         8
                56.84          3.16        1.6197    0   7   1         4
                61.05          1.10        1.5177    4   4   0         4
                61.16          1.33        1.5154    4   3   1         8
                64.79          1.65        1.4390    0   8   1         4
                64.79          3.09        1.4390    4   4   1         8
                69.59          2.72        1.3510    0   4   3         4
                69.59          5.22        1.3510    2   2   3         8
                73.97          1.01        1.2814    2   7   2         8
                77.98          1.58        1.2253    5   4   1         8
                78.83          1.12        1.2142    0  10   0         2
                78.83          1.78        1.2142    5   5   0         4
                79.19          4.86        1.2095    0   6   3         4
                79.19          9.56        1.2095    3   3   3         8
                81.07          5.26        1.1861    2   8   2         8
                81.08          4.86        1.1861    3   7   2         8
                81.08          5.05        1.1861    5   1   2         8
                82.20          3.33        1.1727    0  10   1         4
                82.20          7.20        1.1727    5   5   1         8
                82.57          7.85        1.1684    3   9   0         4
                82.58          3.87        1.1683    6   0   0         2
                85.89          2.15        1.1315    0   0   4         2
                87.31          1.81        1.1168    5   6   1         8
                88.04          1.43        1.1094    3   8   2         8
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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.