data_global _chemical_name_mineral 'Antarcticite (Sr)' loop_ _publ_author_name 'Jensen A' _journal_name_full 'Kongelige Danske Videnskabernes Selskab, Matematisk-Fysike Meddelelser' _journal_volume 17 _journal_year 1940 _journal_page_first 1 _journal_page_last 27 _publ_section_title ; On the structure of Sr Cl2 (H2 O)6 _cod_database_code 1011356 ; _database_code_amcsd 0018193 _chemical_formula_sum 'Sr Cl2 O6' _cell_length_a 7.94 _cell_length_b 7.94 _cell_length_c 4.108 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 224.286 _exptl_crystal_density_diffrn 1.884 _symmetry_space_group_name_H-M 'P 3 2 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,x,-z' '-y,x-y,z' '-x,-x+y,-z' '-x+y,-x,z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Sr1 0.00000 0.00000 0.00000 Cl1 0.33333 0.66660 0.42000 O1 0.33333 0.00000 0.00000 O2 0.24000 0.00000 0.50000