#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002437.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_2002437 _chemical_name_systematic 'Barium dinickel octachromium oxide' _chemical_formula_structural 'Ba (Ni2 Cr8) O15' _chemical_formula_sum 'Ba Cr8 Ni2 O15' _publ_section_title ; Notiz ueber ein Oxochromat der Formel Ba Ni2 Cr8 O15 ; loop_ _publ_author_name 'Cuno, E' 'Mueller-Buschbaum, Hk' _journal_name_full 'Journal of the Less-Common Metals' _journal_volume 146 _journal_year 1989 _journal_page_first L11 _journal_page_last L13 _cell_length_a 10.047(2) _cell_length_b 11.452(2) _cell_length_c 9.333(4) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1073.8 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'C c m b' _symmetry_Int_Tables_number 64 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,y,-z' '1/2-x,y,1/2+z' '1/2+x,y,1/2-z' '-x,-y,-z' 'x,-y,z' '1/2+x,-y,1/2-z' '1/2-x,-y,1/2+z' '1/2+x,1/2+y,z' '1/2-x,1/2+y,-z' '-x,1/2+y,1/2+z' 'x,1/2+y,1/2-z' '1/2-x,1/2-y,-z' '1/2+x,1/2-y,z' 'x,1/2-y,1/2-z' '-x,1/2-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Ni2+ 2.000 Cr3+ 3.000 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 Ba1 Ba2+ 4 a 0. 0. 0. 1. 0 d Ni1 Ni2+ 16 g 0.1639(1) 0.2458(1) 0.1172(1) 0.2 0 d Cr1 Cr3+ 16 g 0.1639(1) 0.2458(1) 0.1172(1) 0.8 0 d Ni2 Ni2+ 16 g 0.4142(1) 0.6272(1) 0.3583(1) 0.2 0 d Cr2 Cr3+ 16 g 0.4142(1) 0.6272(1) 0.3583(1) 0.8 0 d Ni3 Ni2+ 8 f 0.1828(1) 0. 0.3636(1) 0.2 0 d Cr3 Cr3+ 8 f 0.1828(1) 0. 0.3636(1) 0.8 0 d O1 O2- 16 g 0.2374(4) 0.1279(3) 0.5042(5) 1. 0 d O2 O2- 16 g 0.5881(4) 0.1292(4) 0.2429(5) 1. 0 d O3 O2- 8 e 0.3221(5) 0.25 0.25 1. 0 d O4 O2- 8 f 0.3480(6) 0. 0.2567(7) 1. 0 d O5 O2- 8 d 0. 0.2581(5) 0. 1. 0 d O6 O2- 4 b 0. 0.5 0. 1. 0 d _refine_ls_R_factor_all 0.045