#------------------------------------------------------------------------------ #$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/16/1001650.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_1001650 loop_ _publ_author_name 'Hervieu, M' 'Van Tendeloo, G' 'Michel, C' 'Martin, C' 'Maignan, A' 'Raveau, B' _publ_section_title ; Synthesis and characterization of mercury-based "1222" cuprates (Hg1-x Mx) (Sr,Ba)2 Pr2 Cu2 O9-d ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 525 _journal_page_last 531 _journal_paper_doi 10.1006/jssc.1995.1169 _journal_volume 115 _journal_year 1995 _chemical_formula_structural 'Hg0.3 Tl0.7 Sr2 Pr2 Cu2 O9' _chemical_formula_sum 'Cu2 Hg0.3 O9 Pr2 Sr2 Tl0.7' _chemical_name_systematic ; Mercury thallium(III) strontium praseodymium copper oxide (0.3/0.7/2/2/2/9) ; _space_group_IT_number 139 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 139 _symmetry_space_group_name_Hall '-I 4 2' _symmetry_space_group_name_H-M 'I 4/m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 3.8642(1) _cell_length_b 3.8642(1) _cell_length_c 29.56799(100) _cell_volume 441.5 _refine_ls_R_factor_all 0.09 _cod_original_formula_sum 'Cu2 Hg.3 O9 Pr2 Sr2 Tl.7' _cod_database_code 1001650 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -x,y,z x,-y,z -y,x,z y,-x,z y,x,z -y,-x,z -x,-y,-z x,y,-z x,-y,-z -x,y,-z y,-x,-z -y,x,-z -y,-x,-z y,x,-z 1/2+x,1/2+y,1/2+z 1/2-x,1/2-y,1/2+z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-y,1/2+z 1/2-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+z 1/2+y,1/2+x,1/2+z 1/2-y,1/2-x,1/2+z 1/2-x,1/2-y,1/2-z 1/2+x,1/2+y,1/2-z 1/2+x,1/2-y,1/2-z 1/2-x,1/2+y,1/2-z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,1/2-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 Hg1 Hg2+ 2 a 0. 0. 0. 0.3 0 d Tl1 Tl3+ 2 a 0. 0. 0. 0.7 0 d Sr1 Sr2+ 4 e 0. 0. 0.5847(2) 1. 0 d Pr1 Pr3+ 4 e 0. 0. 0.7055(1) 1. 0 d Cu1 Cu3+ 4 e 0. 0. 0.1480(4) 1. 0 d O1 O2- 4 e 0. 0. 0.068(1) 1. 0 d O2 O2- 8 g 0. 0.5 0.1482(9) 1. 0 d O3 O2- 4 d 0. 0.5 0.25 1. 0 d O4 O2- 2 b 0. 0. 0.5 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Hg2+ 2.000 Tl3+ 3.000 Sr2+ 2.000 Pr3+ 3.000 Cu3+ 2.650 O2- -2.000