#------------------------------------------------------------------------------ #$Date: 2010-06-10 16:11:07 +0100 (Thu, 10 Jun 2010) $ #$Revision: 1210 $ #$URL: svn://www.crystallography.net/cod/cif/9/9007744.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9007744 loop_ _publ_author_name 'Brodt, K.' 'Fuess, H.' 'Paulus, E. F.' 'Assmus, W.' 'Kowalewski, J.' _publ_section_title ; Untwinned single crystals of the high-temperature superconductor YBa2Cu3O7-x ; _journal_name_full 'Acta Crystallographica, Section C' _journal_page_first 354 _journal_page_last 358 _journal_volume 46 _journal_year 1990 _chemical_formula_sum 'Ba2 Cu2.941 O6.822 Y' _chemical_name_mineral YBa2Cu2.94O6.82 _space_group_IT_number 47 _symmetry_space_group_name_Hall '-P 2 2' _symmetry_space_group_name_H-M 'P m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 3.836 _cell_length_b 3.883 _cell_length_c 11.686 _cell_volume 174.065 _exptl_crystal_density_diffrn 6.292 _[local]_cod_chemical_formula_sum_orig 'Y Ba2 Cu2.941 O6.822' _cod_database_code 9007744 _amcsd_database_code AMCSD#0009833 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 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Y1 0.00600 0.00490 0.00510 0.00000 0.00000 0.00000 Ba1 0.01000 0.00690 0.00760 0.00000 0.00000 0.00000 Cu1 0.00970 0.00770 0.00450 0.00000 0.00000 0.00000 Cu2 0.00520 0.00430 0.00830 0.00000 0.00000 0.00000 O1 0.01400 0.01100 0.00700 0.00000 0.00000 0.00000 O2 0.00600 0.00600 0.01000 0.00000 0.00000 0.00000 O3 0.00700 0.00400 0.01000 0.00000 0.00000 0.00000 O4 0.03200 0.01100 0.01300 0.00000 0.00000 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Y1 0.50000 0.50000 0.50000 1.00000 0.00530 Ba1 0.50000 0.50000 0.18434 1.00000 0.00820 Cu1 0.00000 0.00000 0.00000 0.94100 0.00730 Cu2 0.00000 0.00000 0.35588 1.00000 0.00600 O1 0.00000 0.00000 0.15800 0.92100 0.01060 O2 0.50000 0.00000 0.37860 1.00000 0.00730 O3 0.00000 0.50000 0.37860 1.00000 0.00700 O4 0.00000 0.50000 0.00000 0.83000 0.01900 O5 0.50000 0.00000 0.00000 0.15000 0.01800