#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002621.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_2002621 _chemical_name_systematic 'Tricalcium iridium(IV) copper oxide' _chemical_formula_structural 'Ca3 Ir Cu O6' _chemical_formula_sum 'Ca3 Cu Ir O6' _publ_section_title 'Zur Kenntnis von Ca3 Ir Cu O6' loop_ _publ_author_name 'Tomaszewska, A' 'Mueller-Buschbaum, Hk' _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_volume 619 _journal_year 1993 _journal_page_first 534 _journal_page_last 536 _cell_length_a 9.032(3) _cell_length_b 9.295(2) _cell_length_c 6.466(2) _cell_angle_alpha 90 _cell_angle_beta 91.35(2) _cell_angle_gamma 90 _cell_volume 542.7 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'C 1 2/c 1' _symmetry_Int_Tables_number 15 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,y,1/2-z' '-x,-y,-z' 'x,-y,1/2+z' '1/2+x,1/2+y,z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2-y,-z' '1/2+x,1/2-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 Ir4+ 4.000 Cu2+ 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 Ca1 Ca2+ 4 e 0.5 0.8971(5) 0.25 1. 0 d Ca2 Ca2+ 8 f 0.6840(3) 0.5725(3) 0.3849(5) 1. 0 d Ir1 Ir4+ 4 c 0.75 0.75 0. 1. 0 d Cu1 Cu2+ 4 e 0.5 0.6977(5) 0.75 1. 0 d O1 O2- 8 f 0.941(1) 0.145(1) 0.452(2) 1. 0 d O2 O2- 8 f 0.278(1) 0.688(1) 0.792(2) 1. 0 d O3 O2- 8 f 0.362(1) 0.929(1) 0.571(2) 1. 0 d _refine_ls_R_factor_all 0.054