Ca Mn7 O12
      Bochu B, Buevoz J, Chenavas J, Collomb A, Joubert J, Marezio M
      Solid State Communications 36 (1980) 133-138
      Bond lengths in (Ca Mn3) (Mn4) O12. A new Jahn-Teller distortion
      of Mn^3+^ octahedra
      _cod_database_code 1008267
      _database_code_amcsd 0016189

      CELL PARAMETERS:   10.4414  10.4414   6.3433   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    598.912
      Density (g/cm3):      5.128
      MAX. ABS. INTENSITY / VOLUME**2:      49.83270296    
      RIR:      3.164
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.98          1.19        5.2207    1   1   0         6
                17.07          2.33        5.1930    1   0   1         6
                24.17          2.55        3.6818    0   2   1         6
                29.69          1.37        3.0088    3  -1   1         6
                29.69          1.18        3.0088    2   1   1         6
                34.35        100.00        2.6103    2   2   0         6
                34.54         91.92        2.5965    2   0   2         6
                38.60          5.86        2.3323   -1   4   1         6
                38.60          3.02        2.3323    1   3   1         6
                38.73          2.46        2.3248   -1   3   2         6
                38.73          2.96        2.3248    1   2   2         6
                42.45          1.31        2.1294    4   0   1         6
                46.03          1.23        1.9717    5  -2   1         6
                46.14          1.71        1.9672    3   1   2         6
                46.33          1.15        1.9598    1   1   3         6
                49.51         48.97        1.8409    0   4   2         6
                61.53         20.89        1.5071    6   0   0         6
                61.65         22.62        1.5044    4   2   2         6
                61.65         19.82        1.5044    6  -2   2         6
                62.02         21.01        1.4964    0   2   4         6
                72.41          9.18        1.3052    4   4   0         6
                72.86          9.87        1.2982    4   0   4         6
                82.77          6.22        1.1661   -2   8   2         6
                82.77          6.18        1.1661    2   6   2         6
                83.09          6.20        1.1624   -2   6   4         6
                83.09          5.07        1.1624    2   4   4         6
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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.