data_global _amcsd_formula_title 'Cu Li2 O2' loop_ _publ_author_name 'Sapina F' 'Rodriguez-Carvajal J' 'Sanchis M' 'Ibanez R' 'Beltran A' 'Beltran D' _journal_name_full 'Solid State Communications' _journal_volume 74 _journal_year 1990 _journal_page_first 779 _journal_page_last 784 _publ_section_title ; Crystal and magnetic structure of Li2 Cu O2 _cod_database_code 1006072 ; _database_code_amcsd 0015478 _chemical_formula_sum 'Li2 Cu O2' _cell_length_a 3.65447 _cell_length_b 2.86022 _cell_length_c 9.3774 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 98.018 _exptl_crystal_density_diffrn 3.708 _symmetry_space_group_name_H-M 'I m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'x,-y,z' '1/2+x,1/2-y,1/2+z' '-x,y,-z' '1/2-x,1/2+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,-y,-z' '1/2+x,1/2-y,1/2-z' 'x,y,-z' '1/2+x,1/2+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Li1 0.50000 0.00000 0.28690 Cu1 0.00000 0.50000 0.50000 O1 0.00000 0.00000 0.35770