data_global _amcsd_formula_title 'K2Cd2(SO4)3' loop_ _publ_author_name 'Percival M J L' 'Schmahl W W' 'Salje E' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 16 _journal_year 1989 _journal_page_first 569 _journal_page_last 575 _publ_section_title ; Structure of cobalt doped K2Cd2(SO4)3 langbeinite at three temperatures above the P2_13-P2_12_12_1 phase transition, and a new trigger mechanism for the ferroelastic transformation Sample: T = 540 K ; _database_code_amcsd 0007460 _chemical_formula_sum 'K2 Cd2 S3 O12' _cell_length_a 10.2850 _cell_length_b 10.2850 _cell_length_c 10.2850 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1087.960 _exptl_crystal_density_diffrn 3.609 _symmetry_space_group_name_H-M 'P 21 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '-z,1/2-x,1/2+y' '1/2-z,1/2+x,-y' '1/2+z,-x,1/2-y' 'z,x,y' '1/2+y,-z,1/2-x' '-y,1/2-z,1/2+x' '1/2-y,1/2+z,-x' 'y,z,x' '1/2-x,1/2+y,-z' '1/2+x,-y,1/2-z' '-x,1/2-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K1 0.81460 0.81460 0.81460 K2 0.05180 0.05180 0.05180 Cd1 0.33030 0.33030 0.33030 Cd2 0.58720 0.58720 0.58720 S1 0.37520 0.22640 0.01190 O1 0.09620 0.00880 0.32420 O2 0.28160 0.31760 0.96080 O3 0.41600 0.26000 0.14370 O4 0.93220 0.48900 0.23940 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 K1 0.04800 0.04800 0.04800 -0.00170 -0.00170 -0.00170 K2 0.05140 0.05140 0.05140 0.00140 0.00140 0.00140 Cd1 0.02990 0.02990 0.02990 -0.00310 -0.00310 -0.00310 Cd2 0.02780 0.02780 0.02780 -0.00120 -0.00120 -0.00120 S1 0.02160 0.02180 0.02070 0.00420 0.00190 0.00030 O1 0.02570 0.12020 0.07630 0.01270 -0.01280 -0.04010 O2 0.05890 0.05630 0.11480 0.03040 -0.03870 0.00410 O3 0.08800 0.10400 0.04050 0.01160 -0.01870 -0.03090 O4 0.07730 0.06630 0.13870 0.05350 0.01840 0.02830