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 = 50 K _database_code_amcsd 0008885 5.7992 15.1256 6.1844 90 116.426 90 Ia atom x y z Uiso Ca .5 .3273 .25 .0040 P -.0095 .3228 .7280 .0005 OD1 -.0093 .3680 -.0356 .0038 O2 .2556 .2819 .8213 .0027 O3 -.0642 .3934 .5413 .0036 O4 .7791 .2532 .6352 .0015 OD2O1 .3675 .4258 .4857 .0043 OD2O2 .5255 .4464 .0133 .0089 D1 -.0979 .3302 .0342 .0176 D2 .3840 .4893 .4917 .0143 D3 .2061 .4121 .4860 .0158 D4 .5122 .5108 .0162 .0230 D5 .5007 .4330 .8548 .0258