data_global _amcsd_formula_title 'BaCo2Si2O7' loop_ _publ_author_name 'Adams R D' 'Layland R' 'Payen C' 'Datta T' _journal_name_full 'Inorganic Chemistry' _journal_volume 35 _journal_year 1996 _journal_page_first 3492 _journal_page_last 3497 _publ_section_title ; Synthesis, structural analyses, and unusual magnetic properties of Ba2CoSi2O7 and BaCo2Si2O7 Note: Compound 2 ; _database_code_amcsd 0019237 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ba Co2 Si2 O7' _cell_length_a 7.2131 _cell_length_b 12.781 _cell_length_c 13.762 _cell_angle_alpha 90 _cell_angle_beta 90.299 _cell_angle_gamma 90 _cell_volume 1268.710 _exptl_crystal_density_diffrn 4.433 _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 _atom_site_U_iso_or_equiv Ba 0.19603 0.01940 0.12214 0.00722 Co1 0.50000 0.27175 0.25000 0.00735 Co2 0.50000 -0.26949 0.25000 0.00735 Co3 0.03207 0.23010 0.51050 0.00545 Si1 0.29080 -0.12326 0.36633 0.00469 Si2 0.32330 0.10557 0.38086 0.00443 O1 0.42790 -0.22180 0.38560 0.00887 O2 0.17030 0.11540 0.29630 0.01013 O3 0.24810 0.13470 0.48800 0.00760 O4 0.50380 0.18180 0.36700 0.00633 O5 0.41380 -0.01300 0.37820 0.00760 O6 0.22130 -0.13660 0.25430 0.01267 O7 0.12510 -0.11120 0.44390 0.00887