MgSO4*2.5H2O Ma H, Bish D L, Wang H W, Chipera S J American Mineralogist 94 (2009) 1071-1074 Structure determination of the 2.5 hydrate MgSO4 phase by simulated annealing Locality: synthetic _database_code_amcsd 0004970 18.8636 12.3391 8.9957 90 94.568 90 C2/c atom x y z Biso Mg1 .3663 .6193 .4811 .8 Mg2 .3977 .1199 .4053 .8 S1 .3361 .3743 .3426 .4 S2 .5733 .1307 .4527 .4 O1 .3590 .4565 .4505 1.2 O2 .3332 .4139 .1879 1.2 O3 .2654 .3307 .3691 1.2 O4 .3839 .2801 .3520 1.2 O5 .6258 .2157 .5059 1.2 O6 .5012 .1762 .4458 1.2 O7 .5814 .0429 .5619 1.2 O8 .5897 .0789 .3144 1.2 Wat1 .4736 .6027 .5573 1.5 Wat2 .3919 .6347 .2593 1.5 Wat3 .2592 .6438 .4233 1.5 Wat4 .2882 .0798 .3748 1.5 Wat5 .3843 .1497 .6302 1.5