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 = 4.6 GPa _database_code_amcsd 0008115 3.250 3.250 4.497 90 90 120 P-3m1 atom x y z occ Uiso Mn 0 0 0 .003 O 1/3 2/3 .242 .008 D .376 -.376 .446 1/3 .016