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 = 400 K _database_code_amcsd 0008902 5.8151 15.2179 6.2664 90 116.413 90 Ia atom x y z Uiso Ca .5 .3268 .25 .0110 P -.0032 .3231 .7292 .0030 OD1 -.0109 .3671 -.0436 .0132 O2 .2570 .2812 .8216 .0166 O3 -.0559 .3914 .5398 .0133 O4 .7810 .2538 .6339 .0065 OD2O1 .3620 .4260 .4775 .0287 OD2O2 .5358 .4457 .0259 .0403 D1 -.1002 .3315 .0295 .0340 D2 .3802 .4879 .4810 .0340 D3 .2042 .4119 .4744 .0330 D4 .5305 .5074 .0236 .0946 D5 .5087 .4357 .8732 .0790