#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/1/1008178.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_1008178 _chemical_name_systematic 'Cobalt titanium selenide (.6/4/8)' _chemical_formula_structural 'Co0.555 Ti4 Se8' _chemical_formula_analytical 'Co0.25 Ti4 Se8' _chemical_formula_sum 'Co.555 Se8 Ti4' _publ_section_title ; Etude structurale des composes Fe~0.25~ Ti Se~2~ et Co~0.25~ Ti Se~2~ a cristaux macles. Surstructures et degre d'ordre des lacunes ; loop_ _publ_author_name 'Arnaud, Y' 'Chevreton, M' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 36 _journal_year 1981 _journal_page_first 151 _journal_page_last 160 _cell_length_a 12.301 _cell_length_b 7.102 _cell_length_c 11.826 _cell_angle_alpha 90 _cell_angle_beta 90.33 _cell_angle_gamma 90 _cell_volume 1033.1 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'C 1 2/m 1' _symmetry_Int_Tables_number 12 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,z' '-x,-y,-z' '-x,y,-z' '1/2+x,1/2+y,z' '1/2+x,1/2-y,z' '1/2-x,1/2-y,-z' '1/2-x,1/2+y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ti0 0.000 Se0 0.000 Co0 0.000 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 Ti1 Ti0 4 i 0. 0. 0.25 1. 0 d Ti2 Ti0 4 i 0.5 0. 0.25 1. 0 d Ti3 Ti0 8 j 0.25 0.25 0.25 1. 0 d Se1 Se0 4 i 0.1667 0. 0.3777(6) 1. 0 d Se2 Se0 4 i 0.3333 0. 0.1203(6) 1. 0 d Se3 Se0 4 i 0.1667 0. 0.8809(6) 1. 0 d Se4 Se0 4 i 0.3333 0. 0.6190(5) 1. 0 d Se5 Se0 8 j 0.0833 0.25 0.1188(3) 1. 0 d Se6 Se0 8 j 0.0833 0.25 0.6188(3) 1. 0 d Co1 Co0 2 a 0. 0. 0. 0.531(16) 0 d Co2 Co0 2 d 0. 0.5 0.5 0.579(16) 0 d