#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002436.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_2002436 _chemical_name_systematic ; Pentanickel zirconium tetraoxide bis(borate) ; _chemical_formula_structural 'Ni5 Zr O4 (B O3)2' _chemical_formula_sum 'B2 Ni5 O10 Zr' _publ_section_title ; Oxometallate mit inselfoermigen Bor-Einlagerungen Ni5 M B2 O10 ; loop_ _publ_author_name 'Bluhm, K' 'Mueller-Buschbaum, Hk' _journal_name_full 'Journal of the Less-Common Metals' _journal_volume 147 _journal_year 1989 _journal_page_first 133 _journal_page_last 139 _cell_length_a 9.312(4) _cell_length_b 12.328(6) _cell_length_c 3.060(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 351.3 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P b a m' _symmetry_Int_Tables_number 55 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '1/2+x,1/2-y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' 'x,y,-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,z' loop_ _atom_type_symbol _atom_type_oxidation_number Ni2+ 2.000 Zr4+ 4.000 B3+ 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 Ni1 Ni2+ 4 h 0.0019(1) 0.2832(1) 0.5 1. 0 d Ni2 Ni2+ 2 b 0. 0. 0.5 1. 0 d Ni3 Ni2+ 2 c 0.5 0. 0. 1. 0 d Ni4 Ni2+ 4 g 0.2391(1) 0.1162(1) 0. 0.5 0 d Zr1 Zr4+ 4 g 0.2391(1) 0.1162(1) 0. 0.5 0 d B1 B3+ 4 g 0.2762(9) 0.3605(8) 0. 1. 0 d O1 O2- 4 g 0.1499(6) 0.9575(5) 0. 1. 0 d O2 O2- 4 h 0.1022(7) 0.1438(5) 0.5 1. 0 d O3 O2- 4 g 0.1274(7) 0.3579(6) 0. 1. 0 d O4 O2- 4 h 0.3887(6) 0.0756(5) 0.5 1. 0 d O5 O2- 4 g 0.3518(7) 0.2631(6) 0. 1. 0 d _refine_ls_R_factor_all 0.046