#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/24/2002400.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_2002400 loop_ _publ_author_name 'Mumm, H-C' 'Mueller-Buschbaum, Hk' _publ_section_title ; Zur Kristallstruktur von $-alpha-Tl Sm W2 O8 ; _journal_name_full ; Monatshefte fuer Chemie und verwandte Teile anderer Wissenschaften (109,1978-) ; _journal_page_first 1357 _journal_page_last 1362 _journal_volume 118 _journal_year 1987 _chemical_formula_structural 'Tl Sm (W2 O8)' _chemical_formula_sum 'O8 Sm Tl W2' _chemical_name_systematic 'Thallium samarium ditungstate - $-alpha' _space_group_IT_number 15 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 130.09 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 10.77 _cell_length_b 10.597 _cell_length_c 7.597 _cell_volume 663.3 _refine_ls_R_factor_all 0.076 _cod_database_code 2002400 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,1/2-z -x,-y,-z x,-y,1/2+z 1/2+x,1/2+y,z 1/2-x,1/2+y,1/2-z 1/2-x,1/2-y,-z 1/2+x,1/2-y,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 W1 W6+ 8 f 0.6939(2) 0.9984(2) 0.2325(3) 1. 0 d Sm1 Sm3+ 4 e 0. 0.2285(4) 0.25 1. 0 d Tl1 Tl1+ 4 e 0. 0.7963(4) 0.25 1. 0 d O1 O2- 8 f 0.524(5) 0.893(3) 0.471(7) 1. 0 d O2 O2- 8 f 0.687(5) 0.929(3) 0.941(7) 1. 0 d O3 O2- 8 f 0.385(6) 0.582(4) 0.317(8) 1. 0 d O4 O2- 8 f 0.271(5) 0.657(4) 0.875(8) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number W6+ 6.000 Sm3+ 3.000 Tl1+ 1.000 O2- -2.000