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 = 375 K _database_code_amcsd 0008901 5.8145 15.2086 6.2580 90 116.408 90 Ia atom x y z Uiso Ca .5 .3267 .25 .0101 P -.0053 .3226 .7292 .0031 OD1 -.0107 .3667 -.0420 .0126 O2 .2551 .2817 .8220 .0147 O3 -.0561 .3917 .5404 .0125 O4 .7797 .2538 .6334 .0078 OD2O1 .3631 .4261 .4791 .0232 OD2O2 .5326 .4464 .0232 .0361 D1 -.0992 .3316 .0307 .0315 D2 .3803 .4886 .4821 .0280 D3 .2046 .4120 .4743 .0290 D4 .5260 .5080 .0217 .0836 D5 .5077 .4348 .8702 .0709