#------------------------------------------------------------------------------ #$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/28/2002845.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_2002845 _chemical_name_systematic 'Copper strontium ditellurium oxide' _chemical_formula_structural 'Cu Sr Te2 O6' _chemical_formula_analytical 'Cu0.6 Sr1 Te1.8 O5.4' _chemical_formula_sum 'Cu O6 Sr Te2' _publ_section_title ; Planare Cu O4-Polygone und eine einseitig offene Te(4+) O3 Koordination in Sr Cu Te2 O6. ; loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Wulff, L' _journal_name_full ; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) ; _journal_volume 52 _journal_year 1997 _journal_page_first 1341 _journal_page_last 1344 _cell_length_a 12.4727(5) _cell_length_b 12.4727(5) _cell_length_c 12.4727(5) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1940.4 _cell_formula_units_Z 12 _symmetry_space_group_name_H-M 'P 41 3 2' _symmetry_Int_Tables_number 213 _symmetry_cell_setting cubic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,-z' '-x,1/2+y,1/2-z' '1/2-x,-y,1/2+z' 'y,z,x' '1/2-y,-z,1/2+x' '1/2+y,1/2-z,-x' '-y,1/2+z,1/2-x' 'z,x,y' '-z,1/2+x,1/2-y' '1/2-z,-x,1/2+y' '1/2+z,1/2-x,-y' '3/4-x,3/4-z,3/4-y' '1/4-x,3/4+z,1/4+y' '3/4+x,1/4+z,1/4-y' '1/4+x,1/4-z,3/4+y' '3/4-y,3/4-x,3/4-z' '1/4+y,1/4-x,3/4+z' '1/4-y,3/4+x,1/4+z' '3/4+y,1/4+x,1/4-z' '3/4-z,3/4-y,3/4-x' '3/4+z,1/4+y,1/4-x' '1/4+z,1/4-y,3/4+x' '1/4-z,3/4+y,1/4+x' loop_ _atom_type_symbol _atom_type_oxidation_number Te4+ 4.000 Sr2+ 2.000 Cu2+ 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 Te1 Te4+ 24 e 0.338320(14) 0.918800(15) 0.05949(2) 1. 0 d Sr1 Sr2+ 8 c 0.05462(2) 0.05462(2) 0.05462(2) 1. 0 d Sr2 Sr2+ 4 b 0.375 0.625 0.125 1. 0 d Cu1 Cu2+ 12 d 0.47587(3) 0.875 0.27413(3) 1. 0 d O1 O2- 24 e 0.5787(2) 0.9297(2) 0.3773(2) 1. 0 d O2 O2- 24 e 0.2666(2) 0.8118(2) 0.9782(2) 1. 0 d O3 O2- 24 e 0.2217(2) 0.9755(2) 0.1305(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 Te1 0.01193(7) -0.00047(6) 0.00032(6) 0.01394(8) 0.00169(6) 0.01316(8) Sr1 0.01453(8) -0.00070(9) -0.00070(9) 0.01453(8) -0.00070(9) 0.01453(8) Sr2 0.01612(12) 0.00335(12) 0.00335(12) 0.01612(12) -0.00335(12) 0.01612(12) Cu1 0.01340(13) 0.00011(11) -0.0029(2) 0.0105(2) 0.00011(11) 0.01340(13) O1 0.0137(9) 0.0020(7) -0.0061(8) 0.0132(10) -0.0025(8) 0.0240(11) O2 0.0105(9) 0.0003(7) -0.0015(7) 0.0240(11) 0.0008(7) 0.0130(9) O3 0.0239(12) 0.0176(9) 0.0005(9) 0.046(2) -0.0011(10) 0.0167(11) _refine_ls_R_factor_all 0.0373 _cod_database_code 2002845