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 = 150 K _database_code_amcsd 0008892 5.8026 15.1314 6.1956 90 116.416 90 Ia atom x y z Uiso Ca .5 .3275 .25 .0055 P -.0102 .3225 .7280 .0011 OD1 -.0110 .3679 -.0368 .0057 O2 .2545 .2818 .8216 .0047 O3 -.06319 .3934 .5413 .0060 O4 .7780 .2528 .6346 .0027 OD2O1 .3653 .4255 .4848 .0075 OD2O2 .5247 .4460 .0134 .0147 D1 -.0992 .3303 .0332 .0192 D2 .3829 .4892 .4901 .0166 D3 .2053 .4117 .4843 .0197 D4 .5112 .5106 .0171 .0281 D5 .5006 .4332 .8561 .0334