data_global _chemical_name_mineral 'Freudenbergite' loop_ _publ_author_name 'Ishiguro T' 'Tanaka K' 'Marumo F' 'Ismail M G M U' 'Hirano S' 'Somiya S' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 34 _journal_year 1978 _journal_page_first 255 _journal_page_last 256 _publ_section_title ; Freudenbergite Note: anisoU's from ICSD ; _database_code_amcsd 0009624 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Na (Ti3 Fe) O8' _cell_length_a 12.267 _cell_length_b 3.823 _cell_length_c 6.483 _cell_angle_alpha 90 _cell_angle_beta 107.16 _cell_angle_gamma 90 _cell_volume 290.497 _exptl_crystal_density_diffrn 4.007 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Na 0.00000 0.00000 0.00000 1.00000 TiM1 0.29759 0.00000 0.71060 0.73000 FeM1 0.29759 0.00000 0.71060 0.27000 TiM2 0.39774 0.00000 0.30230 0.77000 FeM2 0.39774 0.00000 0.30230 0.23000 O1 0.37250 0.00000 0.99580 1.00000 O2 0.23660 0.00000 0.34650 1.00000 O3 0.13490 0.00000 0.70940 1.00000 O4 0.44120 0.00000 0.63330 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 Na 0.02040 0.00990 0.06040 0.00000 0.01520 0.00000 TiM1 0.00810 0.00400 0.00680 0.00000 0.00070 0.00000 FeM1 0.00810 0.00400 0.00680 0.00000 0.00070 0.00000 TiM2 0.00740 0.00530 0.01000 0.00000 0.00150 0.00000 FeM2 0.00740 0.00530 0.01000 0.00000 0.00150 0.00000 O1 0.01260 0.00860 0.00890 0.00000 0.00080 0.00000 O2 0.00960 0.00450 0.01170 0.00000 0.00300 0.00000 O3 0.01140 0.00470 0.01180 0.00000 0.00170 0.00000 O4 0.01040 0.01020 0.00820 0.00000 0.00180 0.00000