Ba.29Mn2O4*.888H2O
      Lopano C L, Heaney P J, Post J E, Hanson J, Komarneni S
      American Mineralogist 92 (2007) 380-387
      Time-resolved structural analysis of K-and Ba-exchange reactions with synthetic
      Na-birnessite using synchrotron X-ray diffraction
      Locality: synthetic
      Sample: Ba-birnessite
      _database_code_amcsd 0004278

      CELL PARAMETERS:    5.1711   2.8476   7.3076   89.516  102.957   89.897
      SPACE GROUP: C-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    104.862
      Density (g/cm3):      3.667
      MAX. ABS. INTENSITY / VOLUME**2:      60.86921730    
      RIR:      5.404
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.43        100.00        7.1212    0   0   1         2
                25.01         40.60        3.5606    0   0   2         2
                35.01          1.24        2.5630   -2   0   1         2
                35.63         11.78        2.5197    2   0   0         2
                36.17          4.62        2.4831    1   1   0         2
                37.02          9.68        2.4285   -1   1   1         2
                37.10          7.66        2.4232   -1  -1   1         2
                38.88          2.72        2.3162   -2   0   2         2
                39.95          3.09        2.2568    1  -1   1         2
                40.57          8.46        2.2238    2   0   1         2
                41.92          6.08        2.1550   -1   1   2         2
                42.18         11.19        2.1425   -1  -1   2         2
                46.69          1.83        1.9453    1   1   2         2
                48.73          8.04        1.8687    2   0   2         2
                50.00          7.80        1.8241   -1   1   3         2
                50.38          5.58        1.8112   -1  -1   3         2
                51.32          1.67        1.7803    0   0   4         2
                56.18          2.89        1.6373   -2   0   4         2
                56.30          1.48        1.6342    1   1   3         2
                56.82          3.34        1.6203    1  -1   3         2
                59.16          2.17        1.5618    2   0   3         2
                60.35          2.11        1.5336   -1   1   4         2
                60.83          2.11        1.5227   -1  -1   4         2
                62.99          1.90        1.4756   -3  -1   1         2
                63.10          3.41        1.4734   -3   1   1         2
                64.28          2.86        1.4492    3   1   0         2
                64.51          1.23        1.4444   -3   1   0         2
                64.67          1.52        1.4413   -3   1   2         2
                64.70          2.37        1.4406   -3  -1   2         2
                65.57          1.65        1.4237    0   2   0         2
                66.90          2.51        1.3986    0   2   1         2
                67.17          1.78        1.3937    0  -2   1         2
                67.85          1.89        1.3813    1   1   4         2
                67.95          1.45        1.3795   -2   0   5         2
                68.45          1.45        1.3706    1  -1   4         2
                68.83          1.08        1.3641    3  -1   1         2
                69.13          1.41        1.3588   -3   1   3         2
                77.38          1.17        1.2332   -4   0   3         2
                80.29          1.05        1.1957    2  -2   1         2
                81.53          1.17        1.1806   -2   0   6         2
                81.93          1.14        1.1759    1  -1   5         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.