data_global _chemical_name_mineral 'Litidionite' loop_ _publ_author_name 'Brandao P' 'Rocha J' 'Reis M S' 'dos Santos A M' 'Jin R' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 182 _journal_year 2009 _journal_page_first 253 _journal_page_last 258 _publ_section_title ; Magnetic properties of KNaMSi4O10 compounds (M=Mn,Fe,Cu) ; _database_code_amcsd 0019812 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'K Na Cu Si4 O10' _cell_length_a 6.9704 _cell_length_b 8.0111 _cell_length_c 9.7896 _cell_angle_alpha 105.559 _cell_angle_beta 99.534 _cell_angle_gamma 114.156 _cell_volume 456.317 _exptl_crystal_density_diffrn 2.896 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv K 0.16520 0.79690 0.49606 0.02070 Na 0.16250 1.12870 0.90840 0.01880 Cu 0.33764 0.87111 1.08760 0.00953 Si1 0.31190 1.17380 0.35912 0.00810 Si2 0.34380 0.61710 0.77415 0.00830 Si3 0.45820 1.28780 0.71053 0.00730 Si4 0.06610 0.35430 0.22202 0.00880 O1 0.46730 0.79180 0.93220 0.01480 O2 0.35500 1.18480 0.53030 0.01950 O3 0.45500 0.66810 0.64770 0.01320 O4 0.05410 0.79820 0.94460 0.01450 O5 0.22100 0.95750 1.24680 0.01430 O6 0.08970 0.56780 0.70530 0.01280 O7 0.58250 0.88430 1.22810 0.01090 O8 -0.32760 0.59340 0.22850 0.01750 O9 0.28400 0.55280 0.24360 0.01950 O10 -0.13220 0.74820 0.66740 0.01450 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 K 0.02430 0.01210 0.01940 0.00530 0.00570 0.00260 Na 0.01600 0.02210 0.01710 0.00860 0.00610 0.00570 Cu 0.01080 0.01110 0.00730 0.00640 0.00210 0.00270 Si1 0.00950 0.00870 0.00610 0.00470 0.00180 0.00290 Si2 0.00760 0.00840 0.00880 0.00450 0.00230 0.00220 Si3 0.00870 0.00720 0.00680 0.00400 0.00260 0.00350 Si4 0.00690 0.00840 0.01030 0.00390 0.00190 0.00250 O1 0.01200 0.01700 0.01100 0.00570 0.00250 0.00010 O2 0.03400 0.01300 0.00800 0.00800 0.00410 0.00570 O3 0.01200 0.01400 0.01300 0.00410 0.00600 0.00710 O4 0.01100 0.01600 0.01300 0.00780 0.00090 -0.00060 O5 0.01500 0.00940 0.01300 0.00440 0.00450 -0.00110 O6 0.01000 0.01700 0.01060 0.00950 0.00170 0.00120 O7 0.01400 0.01030 0.01140 0.00610 0.00300 0.00800 O8 0.02200 0.01400 0.02600 0.01340 0.01500 0.00940 O9 0.01000 0.01300 0.03200 0.00220 0.00310 0.01200 O10 0.01400 0.01700 0.01800 0.01030 0.00560 0.01010