#------------------------------------------------------------------------------ #$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002501.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_2002501 _chemical_name_systematic 'Calcium cobalt copper oxide (0.45/0.55/2/3)' _chemical_formula_structural 'Ca0.45 Co0.55 Cu2 O3' _chemical_formula_sum 'Ca0.45 Co0.55 Cu2 O3' _[local]_cod_chemical_formula_sum_orig 'Ca.45 Co.55 Cu2 O3' _publ_section_title ; Das erste Uebergangsmetall-Oxocuprat(II) mit Ca Cu2 O3-Struktur. Zur Kenntnis von Co Cu2 O3 und Ca(1-x) Co(x) Cu2 O3 (x = 0,55) ; _space_group_IT_number 59 _symmetry_space_group_name_Hall '-P 2ab 2a' _symmetry_space_group_name_H-M 'P m m n :2' _[local]_cod_cif_authors_sg_H-M 'P m m n Z' loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Tomaszewska, A' _journal_name_full ; Zeitschrift fuer Kristallographie (149,1979-) ; _journal_volume 196 _journal_year 1991 _journal_page_first 121 _journal_page_last 127 _cell_length_a 9.532(9) _cell_length_b 4.015(2) _cell_length_c 3.2841(8) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 125.7 _cell_formula_units_Z 2 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2-x,y,z' 'x,1/2-y,z' '1/2-x,1/2-y,z' '-x,-y,-z' '1/2+x,-y,-z' '-x,1/2+y,-z' '1/2+x,1/2+y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Cu2+ 2.000 O2- -2.000 Ca2+ 2.000 Co2+ 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 Cu1 Cu2+ 4 f 0.0834(3) 0.75 0.8146(6) 1. 0 d O1 O2- 2 b 0.25 0.75 0.481(4) 1. 0 d O2 O2- 4 f 0.087(1) 0.25 0.862(3) 1. 0 d Ca1 Ca2+ 2 a 0.25 0.25 0.3358(11) 0.45 0 d Co1 Co2+ 2 a 0.25 0.25 0.3358(11) 0.55 0 d loop_ _atom_site_aniso_label _atom_site_aniso_B_11 _atom_site_aniso_B_12 _atom_site_aniso_B_13 _atom_site_aniso_B_22 _atom_site_aniso_B_23 _atom_site_aniso_B_33 Cu1 0.65(5) 0. 0.35(7) 0.34(4) 0. 0.72(4) Ca1 0.54(1) 0. 0. 0.35(1) 0. 0.51(1) Co1 0.54(1) 0. 0. 0.35(1) 0. 0.51(1) _refine_ls_R_factor_all 0.055 _cod_database_code 2002501