#------------------------------------------------------------------------------ #$Date: 2016-02-18 17:37:37 +0200 (Thu, 18 Feb 2016) $ #$Revision: 176729 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/11/1001174.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_1001174 loop_ _publ_author_name 'Chevalier, R' 'Gasperin, M' _publ_section_title ; Structure cristalline de l'oxyde double U Nb~3~ O~10~ ; _journal_coden_ASTM CHDCAQ _journal_name_full ; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C, Sciences Chimiques (1966-) ; _journal_page_first 481 _journal_page_last 483 _journal_volume 267 _journal_year 1968 _chemical_formula_structural 'U Nb3 O10' _chemical_formula_sum 'Nb3 O10 U' _chemical_name_systematic 'Uranium(VI) diniobium niobium(IV) oxide' _space_group_IT_number 70 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'F 2 2 -1d' _symmetry_space_group_name_H-M 'F d d d :1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 7.38 _cell_length_b 12.78 _cell_length_c 15.96 _cell_volume 1505.3 _exptl_crystal_density_meas 5.95 _refine_ls_R_factor_all 0.1 _cod_original_sg_symbol_H-M 'F d d d S' _cod_database_code 1001174 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,-z 1/4-x,1/4-y,1/4-z 1/4+x,1/4-y,1/4+z x,-y,-z -x,-y,z 1/4-x,1/4+y,1/4+z 1/4+x,1/4+y,1/4-z x,1/2+y,1/2+z 1/2+x,y,1/2+z 1/2+x,1/2+y,z -x,1/2+y,1/2-z 1/2-x,y,1/2-z 1/2-x,1/2+y,-z 1/4-x,3/4-y,3/4-z 3/4-x,1/4-y,3/4-z 3/4-x,3/4-y,1/4-z 1/4+x,3/4-y,3/4+z 3/4+x,1/4-y,3/4+z 3/4+x,3/4-y,1/4+z x,1/2-y,1/2-z 1/2+x,-y,1/2-z 1/2+x,1/2-y,-z -x,1/2-y,1/2+z 1/2-x,-y,1/2+z 1/2-x,1/2-y,z 1/4-x,3/4+y,3/4+z 3/4-x,1/4+y,3/4+z 3/4-x,3/4+y,1/4+z 1/4+x,3/4+y,3/4-z 3/4+x,1/4+y,3/4-z 3/4+x,3/4+y,1/4-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 U1 U6+ 8 a 0. 0. 0. 1. 0 d Nb1 Nb4+ 8 b 0. 0. 0.5 1. 0 d Nb2 Nb5+ 16 g 0. 0. 0.258 1. 0 d O1 O2- 32 h 0.283 0.1 -0.002 1. 0 d O2 O2- 16 g 0. 0. 0.38 1. 0 d O3 O2- 16 g 0. 0. 0.117 1. 0 d O4 O2- 16 f 0. 0.2 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number U6+ 6.000 Nb4+ 4.000 Nb5+ 5.000 O2- -2.000