#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/14/1001407.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_1001407 loop_ _publ_author_name 'Leclaire, A' 'Borel, M M' 'Grandin, A' 'Raveau, B' _publ_section_title ; A Niobium Phosphate Bronze with a Tunnel Structure: K Nb~3~ P~3~ O~15~ ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 12 _journal_page_last 16 _journal_paper_doi 10.1016/0022-4596(89)90026-1 _journal_volume 80 _journal_year 1989 _chemical_formula_structural 'K Nb3 P3 O15' _chemical_formula_sum 'K Nb3 O15 P3' _chemical_name_systematic 'Potassium triniobium trisphosphate oxide' _space_group_IT_number 58 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 58 _symmetry_space_group_name_Hall '-P 2 2n' _symmetry_space_group_name_H-M 'P n n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 13.3085(9) _cell_length_b 14.7382(10) _cell_length_c 6.4615(2) _cell_volume 1267.4 _refine_ls_R_factor_all 0.029 _cod_database_code 1001407 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z 1/2+x,1/2-y,1/2-z 1/2-x,1/2+y,1/2-z -x,-y,-z x,y,-z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-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 Nb1 Nb5+ 4 g 0.43757(2) 0.38721(2) 0. 1. 0 d Nb2 Nb5+ 4 g 0.69285(2) 0.27711(2) 0. 1. 0 d Nb3 Nb5+ 4 g 0.35872(2) -0.02661(2) 0. 1. 0 d K1 K1+ 8 h 0.0086(3) 0.3233(3) 0.089(1) 0.5 0 d P1 P5+ 4 g 0.27237(7) 0.20218(6) 0. 1. 0 d P2 P5+ 4 g 0.37506(7) 0.37936(6) 0.5 1. 0 d P3 P5+ 4 g 0.20613(7) 0.50253(6) 0. 1. 0 d O1 O2- 2 b 0.5 0.5 0. 1. 0 d O2 O2- 4 g 0.2999(3) 0.4445(3) 0. 1. 0 d O3 O2- 4 g 0.3624(3) 0.2660(2) 0. 1. 0 d O4 O2- 4 g 0.5659(2) 0.3256(2) 0. 1. 0 d O5 O2- 8 h 0.4418(2) 0.3866(2) 0.3084(3) 1. 0 d O6 O2- 4 g 0.7709(3) 0.3966(2) 0. 1. 0 d O7 O2- 4 g 0.6348(2) 0.1539(2) 0. 1. 0 d O8 O2- 4 g 0.8316(2) 0.2169(2) 0. 1. 0 d O9 O2- 8 h 0.7046(2) 0.2799(2) 0.3106(3) 1. 0 d O10 O2- 4 g 0.2958(2) 0.4533(2) 0.5 1. 0 d O11 O2- 4 g 0.3129(3) 0.1058(2) 0. 1. 0 d O12 O2- 8 h 0.1404(2) 0.4788(2) 0.1878(3) 1. 0 d O13 O2- 2 d 0.5 0. 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Nb5+ 4.667 K1+ 1.000 P5+ 5.000 O2- -2.000