data_global _amcsd_formula_title '(Li.5K.5)2CO3' loop_ _publ_author_name 'Idemoto Y' 'Richardson J W' 'Koura N' 'Kohara S' 'Loong C K' _journal_name_full 'Journal of Physics and Chemistry of Solids' _journal_volume 59 _journal_year 1998 _journal_page_first 363 _journal_page_last 376 _publ_section_title ; Crystal structure of (LixK1-x)2CO3 (x = 0,0.43,0.5,0.62,1) by neutron powder diffraction analysis Sample: contains natural Li ; _database_code_amcsd 0013245 _chemical_formula_sum 'Li K C O3' _cell_length_a 7.22806 _cell_length_b 7.08181 _cell_length_c 7.59999 _cell_angle_alpha 90 _cell_angle_beta 127.418 _cell_angle_gamma 90 _cell_volume 308.974 _exptl_crystal_density_diffrn 2.280 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Li 0.40330 0.07230 0.10220 K -0.17210 0.35300 0.16830 C 0.29400 0.33300 0.21210 O1 0.74410 -0.02320 0.21010 O2 0.16060 0.18940 0.13130 O3 0.47860 0.33310 0.22030 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Li 0.01750 0.04040 0.02380 0.01870 0.01640 0.01570 K 0.00970 0.01710 0.02800 -0.00220 0.01210 0.00100 C 0.00740 0.00560 0.00990 -0.00630 0.00690 -0.01060 O1 0.01520 0.00820 0.01430 0.00060 0.01140 0.00770 O2 0.01120 0.01100 0.02180 -0.00600 0.01200 -0.00530 O3 0.01150 0.02160 0.02910 -0.00560 0.01640 -0.11600