data_global _amcsd_formula_title 'Cu6 Fe0.9 O19 V6' loop_ _publ_author_name 'Permer L' 'Laligant Y' 'Ferey G' 'Calage Y' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 107 _journal_year 1993 _journal_page_first 539 _journal_page_last 546 _publ_section_title ; Crystal structure, magnetic, and Moessbauer studies of Cu6Fe0.9V6O19: a compound with relaxation effect _cod_database_code 1000354 ; _database_code_amcsd 0013787 _chemical_formula_sum 'Cu6 Fe.9 V6 O19' _cell_length_a 12.9399 _cell_length_b 12.9399 _cell_length_c 7.1275 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1033.546 _exptl_crystal_density_diffrn 5.018 _symmetry_space_group_name_H-M 'R -3' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Cu1 0.04190 0.76270 0.09970 1.00000 Fe1 0.00000 0.00000 0.00000 0.90000 V1 0.15520 0.02040 0.32920 1.00000 O1 0.48010 0.57680 0.16990 1.00000 O2 0.45660 0.68370 0.48230 1.00000 O3 0.00000 0.00000 0.50000 1.00000 O4 0.59800 0.70090 0.85460 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 Cu1 0.01640 0.01520 0.01890 0.01090 -0.00050 0.00000 Fe1 0.01110 0.01110 0.00780 0.00550 0.00000 0.00000 V1 0.00720 0.00910 0.00820 0.00430 0.00040 0.00010 O1 0.00910 0.01060 0.01010 0.00680 0.00220 0.00180 O2 0.00830 0.00960 0.00960 0.00400 0.00000 -0.00020 O3 0.00790 0.00700 0.00810 0.00400 0.00000 0.00000 O4 0.01110 0.01570 0.00910 0.00800 0.00150 -0.00050