#------------------------------------------------------------------------------ #$Date: 2014-07-11 17:35:18 +0300 (Fri, 11 Jul 2014) $ #$Revision: 120071 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/02/1000284.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_1000284 _chemical_name_systematic ; Dibarium diyttrium copper platinum(IV) oxide ; _chemical_formula_structural 'Ba2 Y2 Cu Pt O8' _chemical_formula_sum 'Ba2 Cu O8 Pt Y2' _publ_section_title ; Synthesis and Single-Crystal Refinement of Ba~2~ Y~2~ Cu Pt O~8~ ; loop_ _publ_author_name 'Laligant, Y' 'Ferey, G' 'Hervieu, M' 'Raveau, B' _journal_name_full 'Europhysics Letters' _journal_coden_ASTM EULEEJ _journal_volume 4 _journal_year 1987 _journal_page_first 1023 _journal_page_last 1029 _cell_length_a 13.207(2) _cell_length_b 5.680(2) _cell_length_c 10.321(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 774.2 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P n m a' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2-z' '-x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2+z' 'x,1/2-y,z' '1/2+x,y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Pt4+ 4.000 Ba2+ 2.000 Cu2+ 2.000 Y3+ 3.000 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 Pt1 Pt4+ 4 c 0.6936 0.25 0.4669 1. 0 d Ba1 Ba2+ 4 c 0.7064 0.25 0.8134(1) 1. 0 d Ba2 Ba2+ 4 c 0.4226 0.25 0.4087(1) 1. 0 d Cu1 Cu2+ 4 c 0.4606(1) 0.25 0.7312(1) 1. 0 d Y1 Y3+ 4 c 0.4173(1) 0.25 0.0157(1) 1. 0 d Y2 Y3+ 4 c 0.1423(1) 0.25 0.3125(1) 1. 0 d O1 O2- 8 d 0.4929(4) 0.4921(9) 0.8624(5) 1. 0 d O2 O2- 8 d 0.1143(4) 0.0064(9) 0.1373(5) 1. 0 d O3 O2- 4 c 0.7954(5) 0.25 0.3147(7) 1. 0 d O4 O2- 8 d 0.2826(4) 0.0093 0.9426(5) 1. 0 d O5 O2- 4 c 0.5892(6) 0.25 0.6081(7) 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 Pt1 0.0019(1) 0. -0.0004(1) 0.0075(1) 0. 0.0041(1) Ba1 0.0057(2) 0. -0.0006(1) 0.0102(2) 0. 0.0080(2) Ba2 0.0065(2) 0. 0.0004(1) 0.0111(2) 0. 0.0079(2) Cu1 0.0055(4) 0. -0.0006(3) 0.0089(4) 0. 0.0045(3) Y1 0.0037(3) 0. -0.0003(2) 0.0080(3) 0. 0.0047(3) Y2 0.0031(3) 0. -0.0001(2) 0.0084(3) 0. 0.0046(3) O1 0.0114(17) -0.0012(14) -0.0019(13) 0.0103(14) 0.0013(13) 0.0141(19) O2 0.0129(19) 0.0009(14) 0.0028(13) 0.0130(16) -0.0043(15) 0.0106(16) O3 0.0050(22) 0. -0.0011(17) 0.0149(25) 0. 0.0114(24) O4 0.0108(17) -0.0036(16) 0.0028(14) 0.0186(20) 0.0008(17) 0.0116(17) O5 0.0118(27) 0. 0.0118(27) 0.0195(29) 0.003(2) 0.0101(25) _refine_ls_R_factor_all 0.05 _cod_database_code 1000284 _journal_paper_doi 10.1209/0295-5075/4/9/012