#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002489.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_2002489 _chemical_name_systematic 'Copper(I) lanthanum ditungstate' _chemical_formula_structural 'Cu La (W2 O8)' _chemical_formula_sum 'Cu La O8 W2' _publ_section_title ; Ein Beitrag zur Kristallstruktur von Cu La W2 O8 und Cu Sm W2 O8 ; loop_ _publ_author_name 'Boehlke, A' 'Mueller-Buschbaum, Hk' _journal_name_full 'Journal of the Less-Common Metals' _journal_volume 162 _journal_year 1990 _journal_page_first 141 _journal_page_last 147 _cell_length_a 7.593(17) _cell_length_b 8.081(22) _cell_length_c 7.270(25) _cell_angle_alpha 114.97(10) _cell_angle_beta 116.30(19) _cell_angle_gamma 56.49(6) _cell_volume 323.9 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P -1' _symmetry_Int_Tables_number 2 _symmetry_cell_setting triclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number La3+ 3.000 W6+ 6.000 Cu1+ 1.000 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 La1 La3+ 2 i 0.1681(2) 0.2791(2) 0.1800(2) 1. 0 d W1 W6+ 2 i 0.1859(1) 0.1072(1) 0.6488(1) 1. 0 d W2 W6+ 2 i 0.7264(1) 0.2992(1) 0.2684(1) 1. 0 d Cu1 Cu1+ 2 i 0.7047(6) 0.2897(6) 0.7589(6) 1. 0 d O1 O2- 2 i 0.082(2) 0.174(2) 0.391(2) 1. 0 d O2 O2- 2 i 0.818(3) 0.170(2) 0.514(2) 1. 0 d O3 O2- 2 i 0.187(3) 0.011(2) 0.853(2) 1. 0 d O4 O2- 2 i 0.471(3) 0.023(3) 0.709(3) 1. 0 d O5 O2- 2 i 0.089(2) 0.358(2) 0.821(2) 1. 0 d O6 O2- 2 i 0.446(3) 0.354(2) 0.187(3) 1. 0 d O7 O2- 2 i 0.772(3) 0.312(3) 0.050(3) 1. 0 d O8 O2- 2 i 0.277(3) 0.465(3) 0.546(3) 1. 0 d _refine_ls_R_factor_all 0.058