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 = 325 K _database_code_amcsd 0008899 5.8119 15.1867 6.2416 90 116.405 90 Ia atom x y z Uiso Ca .5 .3273 .25 .0081 P -.0084 .3227 .7291 .0022 OD1 -.0118 .3666 -.0397 .0116 O2 .2551 .2818 .8228 .0114 O3 -.0583 .3925 .5405 .0120 O4 .7774 .2535 .6340 .0071 OD2O1 .3640 .4264 .4817 .0203 OD2O2 .5301 .4462 .0217 .0271 D1 -.1003 .3300 .0315 .0297 D2 .3813 .4886 .4870 .0259 D3 .2047 .4123 .4772 .0293 D4 .5190 .5096 .0203 .0641 D5 .5072 .4343 .8683 .0611