data_global _chemical_name_mineral 'Kieserite' loop_ _publ_author_name 'Coing-Boyat J' _journal_name_full 'Bulletin de la Societe Chimique de France' _journal_volume 1971 _journal_year 1971 _journal_page_first 3863 _journal_page_last 3865 _publ_section_title ; Remarques sur la structure commune de MgSO4*H2O et de CoSO4*H2O ; _database_code_amcsd 0021023 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Mg S O5 H2' _cell_length_a 6.891 _cell_length_b 7.624 _cell_length_c 7.549 _cell_angle_alpha 90 _cell_angle_beta 116.25 _cell_angle_gamma 90 _cell_volume 355.701 _exptl_crystal_density_diffrn 2.584 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Mg 0.25000 0.25000 0.00000 S 0.50000 0.59520 0.25000 O1 0.03130 0.20550 0.10580 O2 0.19100 -0.01670 0.35150 OW 0.50000 0.11340 0.25000 H 0.07700 0.54200 0.20200