#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/27/2002797.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_2002797 loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Meyer, S' _publ_section_title ; Zur Kenntnis von Ba6 Pr2 Fe4 O15, Ba5 Sr Pr2 Fe4 O15 und Ba5 Ca Pr2 Fe4 O15 ; _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_page_first 200 _journal_page_last 204 _journal_paper_doi 10.1002/zaac.19976230133 _journal_volume 623 _journal_year 1997 _chemical_formula_structural 'Ba5 Ca Pr2 Fe4 O15' _chemical_formula_sum 'Ba5 Ca Fe4 O15 Pr2' _chemical_name_systematic ; Pentabarium calcium dipraseodymium tetrairon(III) oxide ; _space_group_IT_number 186 _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 186 _symmetry_space_group_name_Hall 'P 6c -2c' _symmetry_space_group_name_H-M 'P 63 m c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 2 _cell_length_a 11.602(6) _cell_length_b 11.602(6) _cell_length_c 6.894(5) _cell_volume 803.7 _refine_ls_R_factor_all 0.055 _cod_database_code 2002797 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z -y,-x,z y-x,y,z x,x-y,z -x,-y,1/2+z y,y-x,1/2+z x-y,x,1/2+z y,x,1/2+z x-y,-y,1/2+z -x,y-x,1/2+z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Ba1 0.0074(14) 0.0037(7) 0. 0.0074(14) 0. 0.014(2) Ca1 0.0074(14) 0.0037(7) 0. 0.0074(14) 0. 0.014(2) Ba2 0.0078(3) 0.0028(4) 0.0012(3) 0.0078(3) -0.0012(3) 0.0103(5) Ba3 0.0102(6) 0.0051(3) 0. 0.0102(6) 0. 0.0071(9) Ba4 0.0140(4) 0.0075(4) -0.0001(3) 0.0140(4) 0.0001(3) 0.0152(5) Ca2 0.0140(4) 0.0075(4) -0.0001(3) 0.0140(4) 0.0001(3) 0.0152(5) Pr1 0.0140(4) 0.0075(4) -0.0001(3) 0.0140(4) 0.0001(3) 0.0152(5) Fe1 0.0045(13) 0.0023(6) 0. 0.0045(13) 0. 0.006(2) Fe2 0.0055(7) 0.0034(9) -0.0003(7) 0.0055(7) 0.0003(7) 0.0068(11) O1 0.008(5) 0.001(4) -0.002(4) 0.015(5) 0.001(5) 0.015(5) O2 0.004(3) .000(4) .000(3) 0.004(3) .000(3) 0.010(6) O3 0.008(4) 0.004(5) -0.002(3) 0.008(4) 0.002(3) 0.009(5) O4 0.007(4) .000(5) -0.008(5) 0.007(4) 0.008(5) 0.045(13) 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 Ba1 Ba2+ 2 a 0. 0. -0.0124(10) 0.5 0 d Ca1 Ca2+ 2 a 0. 0. -0.0124(10) 0.5 0 d Ba2 Ba2+ 6 c 0.17047(7) 0.82953(7) 0.1694(2) 1. 0 d Ba3 Ba2+ 2 b 0.3333 0.6667 0.4870(4) 1. 0 d Ba4 Ba2+ 6 c 0.47802(7) 0.52198(7) 0.8346(3) 0.1667 0 d Ca2 Ca2+ 6 c 0.47802(7) 0.52198(7) 0.8346(3) 0.1667 0 d Pr1 Pr3+ 6 c 0.47802(7) 0.52198(7) 0.8346(3) 0.6667 0 d Fe1 Fe3+ 2 b 0.3333 0.6667 0.0264(9) 1. 0 d Fe2 Fe3+ 6 c 0.17524(15) 0.82476(15) 0.6629(7) 1. 0 d O1 O2- 12 d 0.6722(13) 0.0635(14) 0.0237(22) 1. 0 d O2 O2- 6 c 0.2484(7) 0.7516(7) 0.8363(33) 1. 0 d O3 O2- 6 c 0.4169(8) 0.5831(8) 0.1691(32) 1. 0 d O4 O2- 6 c 0.9103(9) 0.0897(9) 0.2522(41) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Ca2+ 2.000 Pr3+ 3.000 Fe3+ 3.000 O2- -2.000