#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1009075.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_1009075 _chemical_name_systematic 'Disamarium dititanium pentaoxide disulfide' _chemical_formula_structural 'Sm2 Ti2 O5 S2' _chemical_formula_sum 'O5 S2 Sm2 Ti2' _publ_section_title ; Synthesis and structure determination of the new Sm2 Ti2 O5 S2 compound ; loop_ _publ_author_name 'Boyer, C' 'Deudon, C' 'Meerschaut, A' _journal_name_full 'C. R. Acad. Sci. Paris, T. 1, Serie II' _journal_coden_ASTM CASCFN _journal_volume 2 _journal_year 1999 _journal_page_first 93 _journal_page_last 99 _cell_length_a 3.819(1) _cell_length_b 3.819(1) _cell_length_c 22.96399(500) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 334.9 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'I 4/m m m' _symmetry_Int_Tables_number 139 _symmetry_cell_setting tetragonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '-x,y,z' 'x,-y,z' '-y,x,z' 'y,-x,z' 'y,x,z' '-y,-x,z' '-x,-y,-z' 'x,y,-z' 'x,-y,-z' '-x,y,-z' 'y,-x,-z' '-y,x,-z' '-y,-x,-z' 'y,x,-z' '1/2+x,1/2+y,1/2+z' '1/2-x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-y,1/2+x,1/2+z' '1/2+y,1/2-x,1/2+z' '1/2+y,1/2+x,1/2+z' '1/2-y,1/2-x,1/2+z' '1/2-x,1/2-y,1/2-z' '1/2+x,1/2+y,1/2-z' '1/2+x,1/2-y,1/2-z' '1/2-x,1/2+y,1/2-z' '1/2+y,1/2-x,1/2-z' '1/2-y,1/2+x,1/2-z' '1/2-y,1/2-x,1/2-z' '1/2+y,1/2+x,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Sm3+ 3.000 Ti4+ 4.000 S2- -2.000 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 Sm1 Sm3+ 4 e 0. 0. 0.16616(2) 1. 0 d Ti1 Ti4+ 4 e 0.5 0.5 0.07811(7) 1. 0 d S1 S2- 4 e 0.5 0.5 0.20368(9) 1. 0 d O1 O2- 2 b 0.5 0.5 0. 1. 0 d O2 O2- 8 g 0.5 0. 0.0975(2) 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Sm1 0.0018(2) 0. 0. 0.0018(2) 0. 0.00006(26) _refine_ls_R_factor_all 0.018