data_global _amcsd_formula_title '(Li.43K.57)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 Note: occupancies invented to match formula ; _database_code_amcsd 0013251 _chemical_formula_sum 'Li.86 K1.14 C O3' _cell_length_a 7.2232 _cell_length_b 7.0769 _cell_length_c 7.5951 _cell_angle_alpha 90 _cell_angle_beta 127.422 _cell_angle_gamma 90 _cell_volume 308.337 _exptl_crystal_density_diffrn 2.381 _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 _atom_site_occupancy Li1 0.40300 0.06810 0.10070 0.86000 K1 0.40300 0.06810 0.10070 0.14000 K2 -0.17200 0.35450 0.16700 1.00000 C 0.29380 0.33220 0.21360 1.00000 O1 0.74370 -0.02440 0.21040 1.00000 O2 0.16020 0.18980 0.12930 1.00000 O3 0.47850 0.33270 0.21940 1.00000 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 Li1 0.01220 0.01780 0.02150 0.00430 0.01550 0.00070 K1 0.01220 0.01780 0.02150 0.00430 0.01550 0.00070 K2 0.00870 0.01650 0.04090 -0.00240 0.01620 -0.00180 C 0.01300 0.00830 0.02030 -0.00450 0.01420 -0.00650 O1 0.01970 0.01010 0.02290 0.00440 0.01700 0.00710 O2 0.01800 0.00840 0.04380 -0.00290 0.02340 -0.00120 O3 0.01850 0.02170 0.05010 -0.00590 0.02940 -0.01020