#------------------------------------------------------------------------------ #$Date: 2015-10-09 14:00:42 +0300 (Fri, 09 Oct 2015) $ #$Revision: 161724 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/53/47/1534752.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_1534752 loop_ _publ_author_name 'Schwer, H.' 'Rossel, C.' 'Kaldis, E.' 'Karpinski, J.' _publ_section_title ; Effect of structural changes on the transition temperatures in Y2Ba4Cu7O14+x single crystals ; _journal_name_full 'Physica C (Amsterdam)' _journal_page_first 165 _journal_page_last 178 _journal_volume 211 _journal_year 1993 _chemical_formula_sum 'Ba1.988 Ca0.043 Cu4 O8 Y0.969' _chemical_name_systematic '(Y0.969 Ca0.031) (Ba0.994 Ca0.006)2 Cu4 O8' _space_group_IT_number 65 _symmetry_space_group_name_Hall '-C 2 2 (z,x,y)' _symmetry_space_group_name_H-M 'C m m m (c,a,b)' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 3.8445 _cell_length_b 3.8721 _cell_length_c 27.2714 _cell_volume 405.970 _citation_journal_id_ASTM PHYCE6 _cod_data_source_file Schwer_PHYCE6_1993_1602.cif _cod_data_source_block Ba1.988Ca0.043Cu4O8Y0.969 _cod_cif_authors_sg_H-M 'A m m m' _cod_original_cell_volume 405.9699 _cod_database_code 1534752 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,y+1/2,z+1/2 x,-y+1/2,-z+1/2 -x,y+1/2,-z+1/2 -x,-y+1/2,z+1/2 -x,-y+1/2,-z+1/2 -x,y+1/2,z+1/2 x,-y+1/2,z+1/2 x,y+1/2,-z+1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv O2 O-2 0.5 0 0.05265 1 0.0 Ca1 Ca+2 0.5 0.5 0 0.031 0.0 Ca2 Ca+2 0.5 0.5 0.13477 0.006 0.0 O4 O-2 0 0.5 0.21814 1 0.0 Cu2 Cu+2 0 0 0.06152 1 0.0 Ba1 Ba+2 0.5 0.5 0.13477 0.994 0.0 O1 O-2 0 0 0.1453 1 0.0 Y1 Y+3 0.5 0.5 0 0.969 0.0 Cu1 Cu+2 0 0 0.21297 1 0.0 O3 O-2 0 0.5 0.05241 1 0.0