Montmorillonite
      Gournis D, Lappas A, Karakassides M A, Tobbens D, Moukarika A
      Physics and Chemistry of Minerals 35 (2008) 49-58
      A neutron diffraction study of alkali cation migration in montmorillonites
      Sample: Cs-mont
      _database_code_amcsd 0009127

      CELL PARAMETERS:    5.1810   8.9450  12.3400   90.000   99.620   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    563.844
      Density (g/cm3):      1.840
      MAX. ABS. INTENSITY / VOLUME**2:      47.93365228    
      RIR:      8.485
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.27        100.00       12.1665    0   0   1         2
                14.56          9.90        6.0832    0   0   2         2
                19.85         12.39        4.4725    0   2   0         2
                20.29          4.70        4.3769   -1   1   1         4
                21.16          5.16        4.1978    0   2   1         4
                21.92          2.14        4.0555    0   0   3         2
                22.31          2.48        3.9855    1   1   1         4
                23.04          4.32        3.8608   -1   1   2         4
                24.71          2.82        3.6034    0   2   2         4
                29.36          2.93        3.0416    0   0   4         2
                31.99          2.14        2.7977    1   1   3         4
                34.66          1.53        2.5881   -2   0   1         2
                35.00          2.27        2.5634   -1   3   1         4
                35.78          1.01        2.5094   -2   0   2         2
                36.26          2.69        2.4773    1   3   1         4
                36.73          2.28        2.4465   -1   3   2         4
                40.53          1.38        2.2259    2   0   2         2
                41.25          1.68        2.1884   -2   2   2         4
                43.17          1.71        2.0955    1   3   3         4
                55.34          1.18        1.6600    1   5   1         4
                56.89          1.06        1.6184   -2   4   3         4
                62.13          1.14        1.4940   -3   3   1         4
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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.