data_global _chemical_name_mineral 'Kukharenkoite-(La)' loop_ _publ_author_name 'Krivovichev S V' 'Armbruster T' 'Pekov I V' _journal_name_full 'Zapiski Vserossijskogo Mineralogicheskogo Obshchestva' _journal_volume 132N3 _journal_year 2003 _journal_page_first 65 _journal_page_last 72 _publ_section_title ; Cation frameworks in structure of natural fluocarbonates of barium and rare-earth elements: crystal structure of kukharenkoite-(La), Ba2(La,Ce)(CO3)3F ; _database_code_amcsd 0015720 _chemical_formula_sum 'Ba2 La F C3 O9' _cell_length_a 13.396 _cell_length_b 5.111 _cell_length_c 6.672 _cell_angle_alpha 90 _cell_angle_beta 106.628 _cell_angle_gamma 90 _cell_volume 437.709 _exptl_crystal_density_diffrn 4.648 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+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 Ba1 0.07504 0.25000 0.28997 0.01915 Ba2 0.41632 0.25000 0.68816 0.01724 La 0.76120 0.25000 0.98914 0.01418 F 0.92940 0.25000 0.91160 0.03110 C1 0.72660 0.25000 0.51010 0.01900 C2 0.42780 0.25000 0.17370 0.01800 C3 0.12780 0.25000 0.79560 0.01800 O1 0.18170 0.25000 0.99010 0.02250 O2 0.69830 0.25000 0.31020 0.03370 O3 0.48950 0.25000 0.35830 0.02810 O4 0.40030 0.03350 0.07760 0.03000 O5 0.26190 0.96640 0.38710 0.02930 O6 0.89660 0.96880 0.29990 0.02730 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 Ba1 0.01700 0.02160 0.01880 0.00000 0.00510 0.00000 Ba2 0.01820 0.01640 0.01590 0.00000 0.00290 0.00000 La 0.01540 0.01190 0.01480 0.00000 0.00370 0.00000 F 0.03000 0.03100 0.03000 0.00000 0.00600 0.00000 C1 0.01400 0.02200 0.01800 0.00000 0.00000 0.00000 C2 0.02800 0.01400 0.01700 0.00000 0.01300 0.00000 C3 0.01700 0.01800 0.02100 0.00000 0.00700 0.00000 O1 0.02400 0.02000 0.02000 0.00000 0.00100 0.00000 O2 0.04000 0.03700 0.02300 0.00000 0.00700 0.00000 O3 0.03100 0.03100 0.01900 0.00000 0.00300 0.00000 O4 0.03600 0.02000 0.03200 -0.00200 0.00500 -0.00400 O5 0.03300 0.01600 0.03300 -0.00100 0.00100 0.00200 O6 0.03400 0.02000 0.02600 -0.00400 0.00700 -0.00200