data_global _amcsd_formula_title 'Ba Co O5 Yb2' loop_ _publ_author_name 'Hernandez-Velasco J' 'Saez-Puche R' 'Rodriguez-Carvajal J' _journal_name_full 'Journal of Alloys and Compounds' _journal_volume 275 _journal_year 1998 _journal_page_first 651 _journal_page_last 656 _publ_section_title ; Yb2 Ba Co O5 magnetic and crystal structure determination from neutron scattering _cod_database_code 1006163 ; _database_code_amcsd 0012817 _chemical_formula_sum 'Yb2 Co Ba O5' _cell_length_a 12.1745 _cell_length_b 5.6594 _cell_length_c 6.9993 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 482.254 _exptl_crystal_density_diffrn 8.572 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Yb1 0.29120 0.25000 0.12030 Yb2 0.07400 0.25000 0.39940 Co1 0.65450 0.25000 0.69340 Ba1 0.90160 0.25000 0.92560 O1 0.43470 -0.00370 0.16690 O2 0.22550 0.49760 0.36200 O3 0.10420 0.25000 0.07830