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 = 350 K _database_code_amcsd 0008900 5.8132 15.1973 6.2497 90 116.406 90 Ia atom x y z Uiso Ca .5 .3271 .25 .0093 P -.0073 .3224 .7286 .0023 OD1 -.0113 .3666 -.0404 .0120 O2 .2552 .2821 .8222 .0129 O3 -.0578 .3922 .5409 .0124 O4 .7783 .2534 .6335 .0073 OD2O1 .3640 .4259 .4805 .0229 OD2O2 .5314 .4459 .0228 .0316 D1 -.1002 .3308 .0308 .0312 D2 .3809 .4886 .4841 .0266 D3 .2050 .4125 .4766 .0291 D4 .5233 .5090 .0199 .0736 D5 .5070 .4343 .8688 .0675