Witherite
      Antao S M, Hassan I
      Physics and Chemistry of Minerals 34 (2007) 573-580
      BaCO3: high-temperature crystal structures and the Pmcn --> R3m phase
      transition at 811 C
      Locality: synthetic
      Sample: T = 777 C
      _database_code_amcsd 0009107

      CELL PARAMETERS:    5.3338   8.9403   6.7252   90.000   90.000   90.000
      SPACE GROUP: Pmcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    320.696
      Density (g/cm3):      4.087
      MAX. ABS. INTENSITY / VOLUME**2:      84.18972131    
      RIR:      6.708
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.38          8.69        4.5805    1   1   0         4
                19.86          3.80        4.4701    0   2   0         2
                23.50        100.00        3.7858    1   1   1         8
                23.90         48.25        3.7228    0   2   1         4
                26.51         13.54        3.3626    0   0   2         2
                28.36          2.94        3.1473    0   1   2         4
                31.45          2.00        2.8445    1   0   2         4
                33.05         21.47        2.7106    1   1   2         8
                33.34         10.07        2.6872    0   2   2         4
                33.60         12.68        2.6669    2   0   0         2
                34.47         23.32        2.6016    1   3   0         4
                39.34          5.21        2.2903    2   2   0         4
                40.35          2.28        2.2351    0   4   0         2
                41.66         24.25        2.1680    2   2   1         8
                42.63         11.17        2.1210    0   4   1         4
                43.30         11.16        2.0895    2   0   2         4
                44.01         21.27        2.0576    1   3   2         8
                45.02         16.30        2.0135    1   1   3         8
                45.25          8.08        2.0039    0   2   3         4
                48.07          3.24        1.8929    2   2   2         8
                48.93          1.74        1.8614    0   4   2         4
                52.48          1.37        1.7438    3   1   0         4
                53.49          1.33        1.7130    2   4   0         4
                54.10          1.05        1.6953    1   5   0         4
                54.35          6.38        1.6880    3   1   1         8
                54.58          2.00        1.6813    0   0   4         2
                55.34          5.91        1.6600    2   4   1         8
                55.93          5.80        1.6439    1   5   1         8
                57.53          3.78        1.6020    2   2   3         8
                58.30          1.66        1.5828    0   4   3         4
                58.48          1.89        1.5783    1   1   4         8
                59.74          1.68        1.5480    3   1   2         8
                60.65          2.76        1.5268    3   3   0         4
                60.67          1.61        1.5264    2   4   2         8
                61.23          1.45        1.5138    1   5   2         8
                62.31          1.30        1.4900    0   6   0         2
                65.65          2.23        1.4223    2   0   4         4
                66.18          4.25        1.4121    1   3   4         8
                67.36          4.01        1.3902    3   3   2         8
                68.13          3.22        1.3764    3   1   3         8
                68.93          1.77        1.3623    0   6   2         4
                69.00          2.97        1.3611    2   4   3         8
                69.52          3.05        1.3522    1   5   3         8
                70.64          1.04        1.3334    4   0   0         2
                72.69          1.83        1.3008    2   6   0         4
                73.36          1.86        1.2906    1   1   5         8
                75.77          1.78        1.2554    4   2   1         8
                76.94          1.69        1.2392    3   5   1         8
                78.27          1.49        1.2214    1   7   1         8
                78.91          1.67        1.2132    2   6   2         8
                83.32          1.35        1.1598    2   2   5         8
                86.01          1.42        1.1303    3   3   4         8
                86.14          1.10        1.1289    4   4   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.