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 = 40 K _database_code_amcsd 0008884 5.7991 15.1253 6.1842 90 116.428 90 Ia atom x y z Uiso Ca .5 .3273 .25 .0039 P -.0095 .3226 .7288 .0005 OD1 -.0097 .3680 -.0352 .0038 O2 .2556 .2817 .8216 .0027 O3 -.0640 .3933 .5419 .0035 O4 .7796 .2532 .6357 .0017 OD2O1 .3673 .4258 .4861 .0039 OD2O2 .5255 .4464 .0135 .0085 D1 -.0973 .3302 .0349 .0170 D2 .3847 .4894 .4920 .0143 D3 .2057 .4120 .4860 .0161 D4 .5124 .5107 .0166 .0228 D5 .5013 .4331 .8552 .0249