Birnessite
      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: Na-birnessite
      _database_code_amcsd 0004276

      CELL PARAMETERS:    5.1780   2.8509   7.3344   89.450  103.180   89.910
      SPACE GROUP: C-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    105.412
      Density (g/cm3):      3.388
      MAX. ABS. INTENSITY / VOLUME**2:      73.43490208    
      RIR:      7.058
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.40        100.00        7.1408    0   0   1         2
                24.94         30.25        3.5704    0   0   2         2
                35.62         10.39        2.5208    2   0   0         2
                36.14          2.23        2.4856    1   1   0         2
                36.94          7.24        2.4335   -1   1   1         2
                37.04          8.70        2.4268   -1  -1   1         2
                38.75          2.90        2.3241   -2   0   2         2
                39.61          1.19        2.2755    1   1   1         2
                39.94          1.89        2.2575    1  -1   1         2
                40.58          5.18        2.2232    2   0   1         2
                41.79          6.16        2.1615   -1   1   2         2
                42.09          7.20        2.1468   -1  -1   2         2
                48.74          7.49        1.8683    2   0   2         2
                49.81          5.82        1.8306   -1   1   3         2
                50.25          5.63        1.8156   -1  -1   3         2
                51.17          1.17        1.7852    0   0   4         2
                55.91          2.76        1.6444   -2   0   4         2
                56.20          1.40        1.6366    1   1   3         2
                56.78          2.34        1.6213    1  -1   3         2
                59.15          1.61        1.5620    2   0   3         2
                60.11          1.87        1.5393   -1   1   4         2
                60.65          1.37        1.5268   -1  -1   4         2
                62.91          2.06        1.4774   -3  -1   1         2
                63.00          2.60        1.4755   -3   1   1         2
                64.23          1.87        1.4501    3   1   0         2
                64.47          1.22        1.4453   -3   1   0         2
                64.50          1.25        1.4446   -3   1   2         2
                64.56          1.29        1.4434   -3  -1   2         2
                65.48          1.46        1.4254    0   2   0         2
                66.79          1.90        1.4006    0   2   1         2
                67.09          1.38        1.3951    0  -2   1         2
                67.62          1.11        1.3855   -2   0   5         2
                67.72          1.32        1.3837    1   1   4         2
                68.39          1.15        1.3718    1  -1   4         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.