#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/83/1008369.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_1008369 loop_ _publ_author_name 'Bordet, P' 'Chaillout, C' 'Chenavas, J' 'Hodeau, J L' 'Marezio, M' 'Karpinski, J' 'Kaldis, E' _publ_section_title ; Structure Determination of the new high-temperature Superconductor Y Ba Cu O (2/4/7/14.30) ; _journal_coden_ASTM NATUAS _journal_name_full 'Nature (London)' _journal_page_first 596 _journal_page_last 598 _journal_paper_doi 10.1038/334596a0 _journal_volume 334 _journal_year 1988 _chemical_formula_structural 'Y2 Ba4 Cu7 O14.30' _chemical_formula_sum 'Ba4 Cu7 O14.3 Y2' _chemical_name_systematic 'Diyttrium tetrabarium heptacuprate' _space_group_IT_number 65 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 65 _symmetry_space_group_name_Hall '-A 2 2' _symmetry_space_group_name_H-M 'A m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 3.851(1) _cell_length_b 3.869(1) _cell_length_c 50.29(2) _cell_volume 749.3 _refine_ls_R_factor_all 0.054 _cod_database_code 1008369 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,-z -x,-y,z -x,y,-z -x,-y,-z -x,y,z x,y,-z x,-y,z x,1/2+y,1/2+z x,1/2-y,1/2-z -x,1/2-y,1/2+z -x,1/2+y,1/2-z -x,1/2-y,1/2-z -x,1/2+y,1/2+z x,1/2+y,1/2-z x,1/2-y,1/2+z 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 Ba1 0.0141(5) 0. 0. 0.0147(5) 0. 0.0094(4) Ba2 0.0059(4) 0. 0. 0.0063(4) 0. 0.0070(4) Y1 0.0003(6) 0. 0. -0.0017(6) 0. 0.0009(5) Cu1 0.042(3) 0. 0. 0.047(4) 0. 0.020(3) Cu2 0.0033(9) 0. 0. 0.0053(9) 0. 0.0084(9) Cu3 0.0027(9) 0. 0. 0.0045(9) 0. 0.0071(9) Cu4 0.011(1) 0. 0. 0.0048(9) 0. 0.0015(8) Cu5 0.011(1) 0. 0. 0.0048(9) 0. 0.0015(8) O1 0.010(9) 0. 0. 0.09(3) 0. 0.10(3) 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 Ba1 Ba2+ 4 j 0.5 0.5 0.04310(3) 1. 0 d Ba2 Ba2+ 4 j 0.5 0.5 0.18797(2) 1. 0 d Y1 Y3+ 4 j 0.5 0.5 0.11545(4) 1. 0 d Cu1 Cu2+ 2 a 0. 0. 0. 1. 0 d Cu2 Cu2+ 4 i 0. 0. 0.08293(5) 1. 0 d Cu3 Cu2+ 4 i 0. 0. 0.14831(5) 1. 0 d Cu4 Cu2+ 4 i 0. 0. 0.23012(5) 0.7 0 d Cu5 Cu3+ 4 i 0. 0. 0.23012(5) 0.3 0 d O1 O2- 4 i 0. 0. 0.0353(8) 1. 0 d O2 O2- 4 j 0.5 0. 0.0871(3) 1. 0 d O3 O2- 4 i 0. 0.5 0.0865(3) 1. 0 d O4 O2- 4 j 0.5 0. 0.1430(3) 1. 0 d O5 O2- 4 i 0. 0.5 0.1432(3) 1. 0 d O6 O2- 4 i 0. 0. 0.1937(2) 1. 0 d O7 O2- 4 i 0. 0.5 0.2328(3) 1. 0 d O8 O2- 2 b 0. 0.5 0. 0.10(7) 0 d O9 O2- 2 d 0.5 0. 0. 0.20(7) 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Y3+ 3.000 Cu2+ 2.000 Cu3+ 3.000 O2- -2.000