#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000434.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_1000434 _chemical_name_systematic 'Lithium iron(III) tin(IV) oxide - DH' _chemical_formula_structural 'Li Fe Sn O4' _chemical_formula_sum 'Fe Li O4 Sn' _publ_section_title ; Neutron diffraction study of Li1+x (Li2x/3 Fe1-x Sn1+x/3) O4, a nonstoichiometric ramsdellite and its transition to a double hexagonal close packed structure for x = 0 ; loop_ _publ_author_name 'Lacorre, P' 'Hervieu, M' 'Pannetier, J' 'Choisnet, J' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 50 _journal_year 1983 _journal_page_first 196 _journal_page_last 203 _cell_length_a 6.012(1) _cell_length_b 6.012(1) _cell_length_c 9.776(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 306.0 _cell_formula_units_Z 4 _exptl_crystal_density_meas 5.29 _symmetry_space_group_name_H-M 'P 63 m c' _symmetry_Int_Tables_number 186 _symmetry_cell_setting hexagonal 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_type_symbol _atom_type_oxidation_number Li1+ 1.000 Fe3+ 3.000 Sn4+ 4.000 O2- -2.000 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 Li1 Li1+ 2 b 0.3333 0.6667 -0.095(4) 0.56 0 d Fe1 Fe3+ 2 b 0.3333 0.6667 -0.095(4) 0.44 0 d Li2 Li1+ 2 a 0. 0. 0.502(4) 1. 0 d Sn1 Sn4+ 2 b 0.3333 0.6667 0.4862(15) 1. 0 d Li3 Li1+ 6 c 0.1675(15) -0.1675(15) 0.214(9) 0.1467 0 d Fe2 Fe3+ 6 c 0.1675(15) -0.1675(15) 0.214(9) 0.52 0 d Sn2 Sn4+ 6 c 0.1675(15) -0.1675(15) 0.214(9) 0.3333 0 d O1 O2- 2 a 0. 0. 0.3145(17) 1. 0 d O2 O2- 2 b 0.3333 0.6667 0.1076(9) 1. 0 d O3 O2- 6 c 0.4808(7) -0.4808(7) 0.3464(15) 1. 0 d O4 O2- 6 c 0.1737(16) -0.1737(16) 0.6036(10) 1. 0 d _refine_ls_R_factor_all 0.019