#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/12/1001205.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_1001205 loop_ _publ_author_name 'Rebbah, A' 'Pannetier, J' 'Raveau, B' _publ_section_title ; Localization of Hydrogen in the Layer Oxide H Ti Nb O~5~ ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 57 _journal_page_last 62 _journal_paper_doi 10.1016/0022-4596(82)90034-2 _journal_volume 41 _journal_year 1982 _chemical_formula_structural 'H Ti Nb O5' _chemical_formula_sum 'H Nb O5 Ti' _chemical_name_systematic 'Hydrogen titanium niobium oxide' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.521(2) _cell_length_b 3.773(1) _cell_length_c 16.656(4) _cell_volume 409.8 _refine_ls_R_factor_all 0.079 _cod_database_code 1001205 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,1/2-z -x,1/2+y,-z 1/2-x,-y,1/2+z -x,-y,-z 1/2-x,1/2+y,1/2+z x,1/2-y,z 1/2+x,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 H1 H1+ 4 c 0.393(15) 0.25 0.197(6) 1. 0 d Ti1 Ti4+ 4 c 0.301(16) 0.25 0.023(7) 0.77 0 d Nb1 Nb5+ 4 c 0.301(16) 0.25 0.023(7) 0.23 0 d Ti2 Ti4+ 4 c 0.792(9) 0.25 0.125(3) 0.23 0 d Nb2 Nb5+ 4 c 0.792(9) 0.25 0.125(3) 0.77 0 d O1 O2- 4 c 0.072(6) 0.25 0.074(3) 1. 0 d O2 O2- 4 c 0.644(7) 0.25 -0.006(3) 1. 0 d O3 O2- 4 c 0.467(6) 0.25 0.132(3) 1. 0 d O4 O2- 4 c 0.836(7) 0.25 0.226(3) 1. 0 d O5 O2- 4 c 0.228(10) 0.25 0.913(3) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number H1+ 1.000 Ti4+ 4.000 Nb5+ 5.000 O2- -2.000