Brucite
      Parise J B, Leinenweber K, Weidner D J, Tan K, Von Dreele R B
      American Mineralogist 79 (1994) 193-196
      Pressure-induced H bonding: Neutron diffraction study of brucite, Mg(OD)2, to
      9.3 GPa
      P = 5.4 GPa
      _database_code_amcsd 0001639

      CELL PARAMETERS:    3.0728   3.0728   4.4960   90.000   90.000  120.000
      SPACE GROUP: P-3m1     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     36.764
      Density (g/cm3):      2.634
      MAX. ABS. INTENSITY / VOLUME**2:      19.02833185    
      RIR:      2.353
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.75         56.72        4.4960    0   0   1         2
                33.68          3.15        2.6611    1   0   0         6
                39.34         99.50        2.2901    0   1   1         6
                53.35         26.29        1.7173    0   1   2         6
                53.35         14.93        1.7173    1   0   2         6
                60.23         25.24        1.5364    1   1   0         6
                64.05         11.20        1.4539    1   1   1        12
                72.37         11.24        1.3058    1   0   3         6
                74.35          8.58        1.2759    2   0   1         6
                84.64          2.69        1.1450    0   2   2         6
                84.64          4.68        1.1450    2   0   2         6
                86.61          1.75        1.1240    0   0   4         2
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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.