#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000342.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_1000342 _chemical_name_systematic ; Barium niobium fluoride hydroxide (1/1/5.5/1.5) ; _chemical_formula_structural 'Ba Nb (F5.5 (O H)1.5)' _chemical_formula_sum 'Ba F5.5 H1.5 Nb O1.5' _[local]_cod_chemical_formula_sum_orig 'H1.5 Ba F5.5 Nb O1.5' _publ_section_title ; BaNbF~7-x~(OH)~x~: preparation and crystal structure ; loop_ _publ_author_name 'Crosnier-Lopez, M P' 'Duroy, H' 'Fourquet, J L' _journal_name_full ; European Journal of Solid State Inorganic Chemistry ; _journal_coden_ASTM EJSCE5 _journal_volume 30 _journal_year 1993 _journal_page_first 549 _journal_page_last 556 _cell_length_a 9.9259(5) _cell_length_b 9.9259(5) _cell_length_c 9.9259(5) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 977.9 _cell_formula_units_Z 8 _symmetry_space_group_name_H-M 'P a -3' _symmetry_Int_Tables_number 205 _symmetry_cell_setting cubic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,-z' '-x,1/2+y,1/2-z' '1/2-x,-y,1/2+z' 'y,z,x' '1/2-y,-z,1/2+x' '1/2+y,1/2-z,-x' '-y,1/2+z,1/2-x' 'z,x,y' '-z,1/2+x,1/2-y' '1/2-z,-x,1/2+y' '1/2+z,1/2-x,-y' '-x,-y,-z' '1/2-x,1/2+y,z' 'x,1/2-y,1/2+z' '1/2+x,y,1/2-z' '-y,-z,-x' '1/2+y,z,1/2-x' '1/2-y,1/2+z,x' 'y,1/2-z,1/2+x' '-z,-x,-y' 'z,1/2-x,1/2+y' '1/2+z,x,1/2-y' '1/2-z,1/2+x,y' loop_ _atom_type_symbol _atom_type_oxidation_number Nb5+ 5.000 Ba2+ 2.000 F1- -1.000 O2- -2.000 H1+ 1.000 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 Nb1 Nb5+ 8 c 0.2234(1) 0.2234(1) 0.2234(1) 1. 0 d Ba1 Ba2+ 4 b 0.5 0.5 0.5 1. 0 d Ba2 Ba2+ 4 a 0. 0. 0. 1. 0 d F1 F1- 24 d 0.2570(3) 0.4443(3) 0.6162(3) 0.7857 0 d O1 O2- 24 d 0.2570(3) 0.4443(3) 0.6162(3) 0.2143 1 d F2 F1- 24 d 0.3627(3) 0.2220(4) 0.6028(3) 0.7857 0 d O2 O2- 24 d 0.3627(3) 0.2220(4) 0.6028(3) 0.2143 1 d F3 F1- 8 c 0.3351(4) 0.3351(4) 0.3351(4) 0.7857 0 d O3 O2- 8 c 0.3351(4) 0.3351(4) 0.3351(4) 0.2143 1 d H1 H1+ 24 d -1. -1. -1. 0.5 0 dum loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Nb1 0.0091(1) 0.0004(1) 0.0004(1) 0.0091(1) 0.0004(1) 0.0091(1) Ba1 0.0134(2) 0.0012(2) 0.0012(2) 0.0134(2) 0.0012(2) 0.0134(2) Ba2 0.0108(2) 0.0001(2) 0.0001(2) 0.0108(2) 0.0001(2) 0.0108(2) F1 0.0170(16) -0.0017(14) 0.0026(13) 0.0148(15) 0.0034(11) 0.0144(13) O1 0.0170(16) -0.0017(14) 0.0026(13) 0.0148(15) 0.0034(11) 0.0144(13) F2 0.0142(14) 0.0071(15) -0.0014(12) 0.0261(18) -0.0032(16) 0.0158(15) O2 0.0142(14) 0.0071(15) -0.0014(12) 0.0261(18) -0.0032(16) 0.0158(15) F3 0.0220(13) -0.0021(15) -0.0021(15) 0.0220(13) -0.0021(15) 0.0220(13) O3 0.0220(13) -0.0021(15) -0.0021(15) 0.0220(13) -0.0021(15) 0.0220(13) _refine_ls_R_factor_all 0.02 _cod_database_code 1000342