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 = 100 K _database_code_amcsd 0008890 5.8007 15.1267 6.1887 90 116.419 90 Ia atom x y z Uiso Ca .5 .3276 .25 .0049 P -.0098 .3225 .7284 .0006 OD1 -.0098 .3679 -.0357 .0052 O2 .2554 .2819 .8214 .0035 O3 -.0636 .3933 .5413 .0045 O4 .7789 .2531 .6347 .0023 OD2O1 .3668 .4256 .4854 .0048 OD2O2 .5261 .4461 .0138 .0116 D1 -.0977 .3302 .0344 .0180 D2 .3845 .4894 .4912 .0153 D3 .2062 .4119 .4856 .0171 D4 .5125 .5104 .0168 .0247 D5 .5009 .4330 .8551 .0287