#------------------------------------------------------------------------------ #$Date: 2010-01-30 14:59:17 +0100 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/1/1001652.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_1001652 _chemical_name_systematic ; Mercury cerium strontium lanthanum copper oxide (0.4/0.5/1.4/1.6/1.1/5) ; _chemical_formula_structural '(Hg0.4 Cu0.1) Ce0.5 (La0.6 Sr1.4) Cu O5' _chemical_formula_sum 'Ce0.5 Cu1.1 Hg0.4 La0.6 O5 Sr1.4' _[local]_cod_chemical_formula_sum_orig 'Ce.5 Cu1.1 Hg.4 La.6 O5 Sr1.4' _publ_section_title ; A new "1201" mercury-based cuprate with Hg Ce mixed layers: the oxide Hg0.4 Ce0.5 Cu0.1 Sr2-x Lax Cu O4+d ; loop_ _publ_author_name 'Maignan, A' 'Martin, C' 'Michel, C' 'Hervieu, M' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 116 _journal_year 1995 _journal_page_first 347 _journal_page_last 354 _cell_length_a 3.7352(2) _cell_length_b 7.5749(3) _cell_length_c 17.9657(7) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 508.3 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'A m m m' _symmetry_Int_Tables_number 65 _symmetry_cell_setting orthorhombic 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_type_symbol _atom_type_oxidation_number Hg2+ 2.000 Cu2+ 2.363 Ce4+ 4.000 La3+ 3.000 Sr2+ 2.000 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 Hg1 Hg2+ 2 a 0. 0. 0. 0.8 0 d Cu1 Cu2+ 2 a 0. 0. 0. 0.2 0 d Ce1 Ce4+ 2 b 0. 0.5 0. 1. 0 d La1 La3+ 8 q 0.5 0.25 0.1477(1) 0.3 0 d Sr1 Sr2+ 8 q 0.5 0.25 0.1477(1) 0.7 0 d Cu2 Cu2+ 4 i 0. 0. 0.25 1. 0 d O1 O2- 4 i 0. 0. 0.1124(8) 1. 0 d O2 O2- 4 i 0. 0. 0.6124(8) 1. 0 d O3 O2- 4 j 0.5 0. 0.25 1. 0 d O4 O2- 4 e 0. 0.25 0.25 1. 0 d O5 O2- 4 h 0.5 0.340(3) 0. 1. 0 d _refine_ls_R_factor_all 0.08 _cod_database_code 1001652