#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/23/2002360.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_2002360 loop_ _publ_author_name 'Waburg, M' 'Mueller-Buschbaum, Hk' _publ_section_title ; Kristallchemische Untersuchungen an den Phasen: (I) Zn (V0.12 Nb0.88)2 O6, (II) Zn (V0.28 Ta0.72)2 O6 und (III) Zn (Nb0.58 Ta0.42)2 O6 ; _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_page_first 31 _journal_page_last 36 _journal_paper_doi 10.1002/zaac.19865421106 _journal_volume 542 _journal_year 1986 _chemical_formula_structural 'Zn (V0.28 Ta0.72)2 O6' _chemical_formula_sum 'O6 Ta1.44 V0.56 Zn' _chemical_name_systematic ; Zinc vanadium tantalum oxide (1/0.56/1.44/6) ; _space_group_IT_number 136 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 136 _symmetry_space_group_name_Hall '-P 4n 2n' _symmetry_space_group_name_H-M 'P 42/m n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 4.712(2) _cell_length_b 4.712(2) _cell_length_c 9.191(2) _cell_volume 204.1 _refine_ls_R_factor_all 0.052 _[local]_cod_chemical_formula_sum_orig 'O6 Ta1.44 V.56 Zn' _cod_database_code 2002360 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z 1/2+x,1/2-y,1/2+z 1/2-x,1/2+y,1/2+z -x,-y,-z x,y,-z 1/2-x,1/2+y,1/2-z 1/2+x,1/2-y,1/2-z y,x,z -y,-x,z 1/2-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+z -y,-x,-z y,x,-z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,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 Zn1 Zn2+ 2 a 0. 0. 0. 1. 0 d V1 V5+ 4 e 0. 0. 0.3324(1) 0.28 0 d Ta1 Ta5+ 4 e 0. 0. 0.3324(1) 0.72 0 d O1 O2- 4 f 0.307(5) 0.307(5) 0. 1. 0 d O2 O2- 8 j 0.297(3) 0.297(3) 0.325(2) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Zn2+ 2.000 V5+ 5.000 Ta5+ 5.000 O2- -2.000