CaSO4*0.5H2O Christensen A, Olesen M, Cerenius Y, Jensen T Chemistry of Materials 20 (2008) 2124-2132 Formation and transformation of five different phases in the CaSO4-H2O system: crystal structure of the subhydrate beta-CaSO4*0.5H2O and soluble anhydrite CaSO4 Locality: synthetic _database_code_amcsd 0020850 6.93145 6.93145 12.73617 90 90 120 P3_1 atom x y z Biso Ca1 .662 .881 0 2.0 Ca2 .119 .781 .832 2.0 S1 .654 .878 .251 2.0 O1 .536 .996 .304 2.0 O2 .586 .665 .193 2.0 O3 .833 .057 .180 2.0 O4 .785 .848 .331 2.0 S2 .123 .778 .077 2.0 O5 -.051 .793 .011 2.0 O6 .020 .570 .154 2.0 O7 .335 .912 .009 2.0 O8 .157 .931 .168 2.0 O9 .570 .327 .151 2.0