#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1001359.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_1001359 _chemical_name_systematic 'Sodium borouranate' _chemical_formula_structural 'Na B U O5' _chemical_formula_sum 'B Na O5 U' _publ_section_title ; Synthese et structure du borouranate de sodium, Na B U O~5~. ; loop_ _publ_author_name 'Gasperin, M' _journal_name_full 'Acta Crystallographica C (39,1983-)' _journal_coden_ASTM ACSCEE _journal_volume 44 _journal_year 1988 _journal_page_first 415 _journal_page_last 416 _cell_length_a 10.712(3) _cell_length_b 5.780(1) _cell_length_c 6.862(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 424.9 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P c a m' _symmetry_Int_Tables_number 57 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,1/2+z' '1/2-x,y,-z' '1/2+x,-y,1/2-z' '-x,-y,-z' 'x,y,1/2-z' '1/2+x,-y,z' '1/2-x,y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number U6+ 6.000 Na1+ 1.000 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 U1 U6+ 4 d 0.0674(1) 0.0979(1) 0.25 1. 0 d Na1 Na1+ 4 c 0.25 0.5999(14) 0. 1. 0 d B1 B3+ 4 d 0.8519(15) 0.7967(33) 0.25 1. 0 d O1 O2- 8 e 0.4123(7) 0.1288(16) 0.4173(13) 1. 0 d O2 O2- 4 d 0.6682(11) 0.1528(22) 0.25 1. 0 d O3 O2- 4 d 0.2426(9) 0.3185(19) 0.25 1. 0 d O4 O2- 4 d 0.4649(12) 0.6544(22) 0.25 1. 0 d _refine_ls_R_factor_all 0.075 _cod_database_code 1001359