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 = 30 K _database_code_amcsd 0008883 5.7990 15.1255 6.1839 90 116.427 90 Ia atom x y z Uiso Ca .5 .3273 .25 .0034 P -.0092 .3228 .7281 .0002 OD1 -.0096 .3678 -.0355 .0046 O2 .2561 .2819 .8210 .0030 O3 -.0644 .3933 .5411 .0037 O4 .7794 .2537 .6352 .0014 OD2O1 .3677 .4258 .4861 .0040 OD2O2 .5252 .4465 .0134 .0084 D1 -.0983 .3298 .0338 .0173 D2 .3848 .4894 .4919 .0141 D3 .2058 .4119 .4853 .0157 D4 .5118 .5108 .0160 .0232 D5 .5011 .4328 .8543 .0249