Brushite Schofield P F, Knight K S, van der Houwen J A M, Valsami-Jones E Physics and Chemistry of Minerals 31 (2004) 606-624 The role of hydrogen bonding in the thermal expansion and dehydration of brushite, di-calcium phosphate dihydrate Sample: T = 250 K _database_code_amcsd 0008896 5.8077 15.1563 6.2186 90 116.408 90 Ia atom x y z Uiso Ca .5 .3276 .25 .0079 P -.0098 .3220 .7281 .0013 OD1 -.0108 .3672 -.0384 .0089 O2 .2556 .2821 .8222 .0085 O3 -.0606 .3931 .5407 .0087 O4 .7777 .2529 .6341 .0051 OD2O1 .3654 .4259 .4824 .0148 OD2O2 .5290 .4455 .0182 .0215 D1 -.0981 .3300 .0335 .0236 D2 .3845 .4891 .4907 .0201 D3 .2067 .4119 .4816 .0262 D4 .5186 .5102 .0203 .0409 D5 .5055 .4332 .8630 .0473