Pyrochroite Parise J B, Theroux B, Li R, Loveday J S, Marshall W G, Klotz S Physics and Chemistry of Minerals 25 (1998) 130-137 Pressure dependence of hydrogen bonding in metal deuteroxides: a neutron powder diffraction study of Mn(OD)2 and beta-Co(OD)2. Sample: P = 7.8 GPa _database_code_amcsd 0008116 3.208 3.208 4.416 90 90 120 P-3m1 atom x y z occ Uiso Mn 0 0 0 .008 O 1/3 2/3 .246 .006 D .383 -.383 .461 1/3 .016