#------------------------------------------------------------------------------ #$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/25/2002514.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_2002514 loop_ _publ_author_name 'Bluhm, K' 'Mueller-Buschbaum, Hk' _publ_section_title ; Synthesis and structure of Ni5.33 Ta0.67 B2 O10 and Ni5.33 Nb0.67 B2 O10 ; _journal_name_full 'Solid State Ionics' _journal_page_first 1 _journal_page_last 5 _journal_paper_doi 10.1016/0167-2738(90)90463-2 _journal_volume 43 _journal_year 1990 _chemical_formula_structural 'Ni5.333 Nb0.667 B2 O10' _chemical_formula_sum 'B2 Nb0.667 Ni5.333 O10' _chemical_name_systematic 'Nickel niobium boron oxide (5.3/0.7/2/10)' _space_group_IT_number 15 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 101.84(2) _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 10.507(3) _cell_length_b 6.162(3) _cell_length_c 21.657(3) _cell_volume 1372.3 _refine_ls_R_factor_all 0.087 _cod_original_formula_sum 'B2 Nb.667 Ni5.333 O10' _cod_database_code 2002514 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_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 Nb1 Nb5+ 4 e 0.5 0.2171(7) 0.75 1. 0 d Ni1 Ni2+ 8 f 0.3754(5) 0.12651(8) 0.4992(2) 0.875 0 d Nb2 Nb5+ 8 f 0.3754(5) 0.12651(8) 0.4992(2) 0.125 0 d Ni2 Ni2+ 8 f 0.2508(4) 0.0666(6) 0.2497(2) 1. 0 d Ni3 Ni2+ 8 f 0.6084(4) 0.1851(7) 0.6092(2) 1. 0 d Ni4 Ni2+ 8 f 0.1427(4) 0.0615(7) 0.3930(2) 1. 0 d Ni5 Ni2+ 4 a 0. 0. 0.5 0.915 0 d Nb3 Nb5+ 4 a 0. 0. 0.5 0.085 0 d Ni6 Ni2+ 4 c 0.75 0.25 0.5 1. 0 d Ni7 Ni2+ 4 e 0. 0.8092(9) 0.25 1. 0 d B1 B3+ 8 f 0.884(3) 0.804(5) 0.370(1) 1. 0 d B2 B3+ 8 f 0.133(3) 0.556(5) 0.370(1) 1. 0 d O1 O2- 8 f 0.100(2) 0.064(3) 0.300(1) 1. 0 d O2 O2- 8 f 0.361(2) 0.829(3) 0.298(1) 1. 0 d O3 O2- 8 f 0.202(2) 0.733(4) 0.399(1) 1. 0 d O4 O2- 8 f 0.338(2) 0.154(4) 0.400(1) 1. 0 d O5 O2- 8 f 0.451(2) 0.487(4) 0.400(1) 1. 0 d O6 O2- 8 f 0.401(2) 0.058(3) 0.198(1) 1. 0 d O7 O2- 8 f 0.090(2) 0.395(4) 0.401(1) 1. 0 d O8 O2- 8 f 0.072(2) 0.682(4) 0.516(1) 1. 0 d O9 O2- 8 f 0.681(2) 0.564(4) 0.486(1) 1. 0 d O10 O2- 8 f 0.850(2) 0.806(3) 0.300(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Nb5+ 5.000 Ni2+ 2.000 B3+ 3.000 O2- -2.000