data_global _chemical_name_mineral 'Anhydrite (soluble)' loop_ _publ_author_name 'Christensen A' 'Olesen M' 'Cerenius Y' 'Jensen T' _journal_name_full 'Chemistry of Materials' _journal_volume 20 _journal_year 2008 _journal_page_first 2124 _journal_page_last 2132 _publ_section_title ; 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 ; _database_code_amcsd 0020851 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ca S O4' _cell_length_a 6.96895 _cell_length_b 6.96865 _cell_length_c 6.30044 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 264.983 _exptl_crystal_density_diffrn 2.559 _symmetry_space_group_name_H-M 'P 62 2 2' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,x-y,1/3-z' 'x-y,x,1/3+z' 'y,x,2/3-z' '-y,x-y,2/3+z' '-x+y,y,-z' '-x,-y,z' '-x,-x+y,1/3-z' '-x+y,-x,1/3+z' '-y,-x,2/3-z' 'y,-x+y,2/3+z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca 0.50000 0.00000 0.00000 0.00836 S 0.50000 0.00000 0.50000 0.00583 O 0.44710 0.13650 0.35910 0.01241