La2CO5
      Attfield J, Ferey G
      Journal of Solid State Chemistry 82 (1989) 132-138
      Structure determination of La2O2CO3-II and the unusual disordered
      phase La2O2.52(CO3)0.74Li0.52 using powder diffraction
      _cod_database_code 1000463
      _database_code_amcsd 0013662

      CELL PARAMETERS:    4.0755   4.0755  15.9570   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    229.532
      Density (g/cm3):      5.350
      MAX. ABS. INTENSITY / VOLUME**2:      7.218059724    
      RIR:      0.439
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.09         75.38        7.9785    0   0   2         2
                25.23          5.27        3.5295    1   0   0         6
                25.85          6.23        3.4462    1   0   1        12
                27.64        100.00        3.2278    1   0   2        12
                30.39         35.71        2.9409    1   0   3        12
                33.70          1.99        2.6595    0   0   6         2
                38.01          6.29        2.3672    1   0   5        12
                42.56         15.01        2.1240    1   0   6        12
                44.46         33.32        2.0378    1   1   0         6
                45.47          2.05        1.9946    0   0   8         2
                47.48          5.89        1.9149    1   0   7        12
                51.81          1.06        1.7647    2   0   0         6
                52.15          1.23        1.7540    2   0   1        12
                53.15          6.64        1.7231    2   0   2        12
                54.81          2.01        1.6750    2   0   3        12
                57.78          1.48        1.5957    0   0  10         2
                59.89          3.26        1.5444    2   0   5        12
                63.24          3.24        1.4705    2   0   6        12
                65.48          5.27        1.4254    1   1   8        12
                70.60          1.49        1.3340    2   1   0        12
                71.74          6.44        1.3158    2   1   2        24
                73.14          1.52        1.2939    2   1   3        24
                75.70          1.27        1.2563    1   1  10        12
                76.56          1.16        1.2444    1   0  12        12
                77.56          1.63        1.2308    2   1   5        24
                81.88          1.67        1.1765    3   0   0         6
                83.36          1.11        1.1594    1   0  13        12
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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.