Brucite
      Mookherjee M, Stixrude L
      American Mineralogist 91 (2006) 127-134
      High-pressure proton disorder in brucite
      Locality: hypothetical structure calculated with DFT
      Sample: P = .3 GPa
      Note: cell adjusted to match Figure 2
      _database_code_amcsd 0003999

      CELL PARAMETERS:    5.5407   5.5407   4.8435   90.000   90.000  120.000
      SPACE GROUP: P-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    128.771
      Density (g/cm3):      2.256
      MAX. ABS. INTENSITY / VOLUME**2:      15.89743194    
      RIR:      2.295
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.32         69.59        4.8435    0   0   1         2
                32.31          2.96        2.7703    1   1   0         6
                37.40         99.14        2.4048    1   1   1         6
                50.02         31.17        1.8233    1   1   2         6
                50.02         13.59        1.8233    2  -1   2         6
                57.63         26.28        1.5995    3   0   0         6
                61.01          6.31        1.5188    0   3   1         6
                61.01          6.31        1.5188    3   0   1         6
                67.10         12.70        1.3949    2  -1   3         6
                67.10          1.11        1.3949    1   1   3         6
                70.74          8.71        1.3318    4  -2   1         6
                79.09          1.68        1.2109    0   0   4         2
                79.76          2.39        1.2024    2   2   2         6
                79.76          5.19        1.2024    4  -2   2         6
                88.03          1.96        1.1095    2  -1   4         6
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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.