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 = 200 K _database_code_amcsd 0008894 5.8053 15.1420 6.2060 90 116.413 90 Ia atom x y z Uiso Ca .5 .3274 .25 .0068 P -.0104 .3223 .7268 .0011 OD1 -.0102 .3675 -.0380 .0071 O2 .2546 .2818 .8210 .0063 O3 -.0621 .3933 .5407 .0076 O4 .7785 .2529 .6338 .0041 OD2O1 .3656 .4256 .4827 .0105 OD2O2 .5269 .4456 .0153 .0181 D1 -.0985 .3300 .0322 .0201 D2 .3837 .4891 .4902 .0183 D3 .2067 .4117 .4832 .0227 D4 .5154 .5103 .0171 .0329 D5 .5032 .4329 .8576 .0393