data_2002734 _chemical_name_systematic ; Tetrabarium lithium copper tetraoxide bis(carbonate) ; _chemical_formula_structural 'Ba4 Li Cu O4 (C O3)2' _chemical_formula_sum 'Ba4 Cu Li O10' _publ_section_title ; Synthese und Roentgenstrukturanalyse von Ba4 Li Cu O4 (C O3)2 ; loop_ _publ_author_name 'Tams, G' 'Mueller-Buschbaum, Hk' _journal_name_full ; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) ; _journal_volume 50 _journal_year 1995 _journal_page_first 56 _journal_page_last 60 _cell_length_a 5.7666(12) _cell_length_b 5.7666(12) _cell_length_c 15.2614(7) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 507.5 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'I -4 2 m' _symmetry_Int_Tables_number 121 _symmetry_cell_setting tetragonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '-x,y,-z' 'x,-y,-z' '-y,x,-z' 'y,-x,-z' 'y,x,z' '-y,-x,z' '1/2+x,1/2+y,1/2+z' '1/2-x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '1/2+x,1/2-y,1/2-z' '1/2-y,1/2+x,1/2-z' '1/2+y,1/2-x,1/2-z' '1/2+y,1/2+x,1/2+z' '1/2-y,1/2-x,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Cu3+ 3.000 Li1+ 1.000 C4+ 4.000 O2- -2.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ba1 Ba2+ 8 h 0. 0.5 0.1175(1) 1. 0 d Cu1 Cu3+ 2 a 0. 0. 0. 1. 0 d Li1 Li1+ 2 b 0. 0. 0.5 1. 0 d C1 C4+ 4 e 0. 0. 0.7302(2) 1. 0 d O1 O2- 8 i 0.226(1) 0.226(1) 0.008(2) 1. 0 d O2 O2- 4 e 0. 0. 0.650(2) 1. 0 d O3 O2- 8 i 0.859(2) 0.859(2) 0.227(2) 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Ba1 0.009(2) .000(1) 0. 0.009(2) 0. 0.009(1) Cu1 0.007(2) 0. 0. 0.007(2) 0. 0.007(2) Li1 0.028(2) 0. 0. 0.028(2) 0. 0.031(2) C1 0.003(1) .000(4) 0. 0.003(1) 0. 0.002(1) O1 0.003(1) .000(1) .000(1) 0.003(1) .000(1) 0.002(1) O2 0.008(1) .000(5) 0. 0.008(1) 0. 0.008(1) O3 0.015(1) 0.001 .000(1) 0.015(1) .000(1) 0.015(1) _refine_ls_R_factor_all 0.1468