#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/12/1001220.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_1001220 loop_ _publ_author_name 'Choisnet, J' 'Hervieu, M' 'Raveau, B' 'Tarte, P' _publ_section_title ; Two Polymorphous Lithium Stannoferrites Li Fe Sn O~4~: A Ramsdellite- Type and a Hexagonal Close-Packed Structure ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 344 _journal_page_last 351 _journal_paper_doi 10.1016/0022-4596(81)90401-1 _journal_volume 40 _journal_year 1981 _chemical_formula_structural 'Li Fe Sn O4' _chemical_formula_sum 'Fe Li O4 Sn' _chemical_name_systematic ; Lithium iron(III) tin(IV) oxide - low-temperature phase ; _space_group_IT_number 186 _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 186 _symmetry_space_group_name_Hall 'P 6c -2c' _symmetry_space_group_name_H-M 'P 63 m c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 4 _cell_length_a 6.012(1) _cell_length_b 6.012(1) _cell_length_c 9.776(2) _cell_volume 306.0 _exptl_crystal_density_meas 5.29 _refine_ls_R_factor_all 0.059 _cod_database_code 1001220 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z -y,-x,z y-x,y,z x,x-y,z -x,-y,1/2+z y,y-x,1/2+z x-y,x,1/2+z y,x,1/2+z x-y,-y,1/2+z -x,y-x,1/2+z 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 Sn1 Sn4+ 2 b 0.3333 0.6667 0.497(1) 1. 0 d Li1 Li1+ 6 c 0.167(1) -0.167(1) 0.214(2) 0.146 0 d Fe1 Fe3+ 6 c 0.167(1) -0.167(1) 0.214(2) 0.52 0 d Sn2 Sn4+ 6 c 0.167(1) -0.167(1) 0.214(2) 0.333 0 d Li2 Li1+ 2 b 0.3333 0.6667 -0.082(6) 0.56 0 d Fe2 Fe3+ 2 b 0.3333 0.6667 -0.082(6) 0.44 0 d Li3 Li1+ 2 a 0. 0. 0.51(1) 1. 0 d O1 O2- 2 a 0. 0. 0.325(5) 1. 0 d O2 O2- 2 b 0.3333 0.6667 0.107(3) 1. 0 d O3 O2- 6 c 0.481(2) -0.481(2) 0.342(3) 1. 0 d O4 O2- 6 c 0.160(6) -0.160(6) 0.612(3) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Sn4+ 4.000 Li1+ 1.000 Fe3+ 3.000 O2- -2.000