#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/26/2002629.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2002629 loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Frerichs, D' _publ_section_title ; Zur Existenz des Ca Fe2 O4-Typs von Verbindungen der Zusammensetzung Na A3+ M4+ O4. Roentgenstrukturanalysen von Na Fe Ti O4 und Na0.7 (Fe, Al)0.7 Ti1.3 O4 ; _journal_name_full 'Journal of Alloys Compd.' _journal_page_first L5 _journal_page_last L8 _journal_paper_doi 10.1016/0925-8388(93)90420-R _journal_volume 199 _journal_year 1993 _chemical_formula_structural 'Na0.7 (Fe0.58 Al0.12 Ti1.3) O4' _chemical_formula_sum 'Al0.12 Fe0.58 Na0.7 O4 Ti1.3' _chemical_name_systematic ; Sodium iron(III) aluminium titanium oxide (.7/.6/.1/1.3/4) ; _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.2295(19) _cell_length_b 2.9572(25) _cell_length_c 11.3181(23) _cell_volume 308.9 _refine_ls_R_factor_all 0.05 _cod_original_formula_sum 'Al.12 Fe.58 Na.7 O4 Ti1.3' _cod_database_code 2002629 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,1/2-z -x,1/2+y,-z 1/2-x,-y,1/2+z -x,-y,-z 1/2-x,1/2+y,1/2+z x,1/2-y,z 1/2+x,y,1/2-z loop_ _atom_site_aniso_label _atom_site_aniso_B_11 _atom_site_aniso_B_12 _atom_site_aniso_B_13 _atom_site_aniso_B_22 _atom_site_aniso_B_23 _atom_site_aniso_B_33 Na1 1.89(7) 0. 0.37(4) 18.70(8) 0. 0.84(7) loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Na1 Na1+ 4 c 0.3928(6) 0.75 0.1030(4) 0.7 0 d Fe1 Fe3+ 4 c 0.0188(1) 0.25 0.1198(1) 0.34 0 d Al1 Al3+ 4 c 0.0188(1) 0.25 0.1198(4) 0.04 0 d Ti1 Ti4+ 4 c 0.0188(1) 0.25 0.1198(4) 0.62 0 d Fe2 Fe3+ 4 c 0.2301(1) 0.75 0.3381(1) 0.24 0 d Al2 Al3+ 4 c 0.2301(1) 0.75 0.3381(1) 0.08 0 d Ti2 Ti4+ 4 c 0.2301(1) 0.75 0.3381(1) 0.68 0 d O1 O2- 4 c 0.125 0.75 0.186 1. 0 d O2 O2- 4 c 0.129 0.25 0.405 1. 0 d O3 O2- 4 c 0.358 0.25 0.272 1. 0 d O4 O2- 4 c 0.393 0.75 0.459 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Na1+ 1.000 Fe3+ 3.000 Al3+ 3.000 Ti4+ 4.000 O2- -2.000