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 5.5407 5.5407 4.8435 90 90 120 P-3 atom x y z Mg1 0 0 0 Mg2 1/3 2/3 .0109 O .3321 .3346 .2200 H .3165 .3493 .4220