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 only 7Li ; _database_code_amcsd 0013244 _chemical_formula_sum 'Li K C O3' _cell_length_a 7.22284 _cell_length_b 7.07673 _cell_length_c 7.59397 _cell_angle_alpha 90 _cell_angle_beta 127.421 _cell_angle_gamma 90 _cell_volume 308.273 _exptl_crystal_density_diffrn 2.285 _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 0.40040 0.06760 0.10190 K -0.17160 0.35530 0.16850 C 0.29390 0.33260 0.21320 O1 0.74360 -0.02430 0.20920 O2 0.15960 0.18990 0.12940 O3 0.47870 0.33280 0.22070 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 0.02340 0.03560 0.03840 0.00680 0.02750 0.00250 K 0.02250 0.02200 0.04470 -0.00100 0.02340 0.00230 C 0.02060 0.01890 0.02540 -0.00230 0.01650 -0.00390 O1 0.02960 0.01930 0.03100 0.00300 0.02400 0.00750 O2 0.03010 0.01680 0.04210 -0.00320 0.02770 -0.00260 O3 0.02850 0.02870 0.05520 -0.00940 0.03460 -0.01530