#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1001621.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_1001621 _chemical_name_systematic 'Potassium titanium diphosphate (0.58/1/1)' _chemical_formula_structural 'K0.58 Ti (P2 O7)' _chemical_formula_sum 'K.58 O7 P2 Ti' _publ_section_title ; A mixed valent titanium diphosphate with an intersecting tunnel structure K~0.~/5~8~TiP~2~O~7~ ; loop_ _publ_author_name 'Leclaire, A' 'Chardon' 'Borel, M M' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 109 _journal_year 1994 _journal_page_first 83 _journal_page_last 87 _cell_length_a 17.85199(200) _cell_length_b 6.298(1) _cell_length_c 12.181(2) _cell_angle_alpha 90 _cell_angle_beta 119.73(1) _cell_angle_gamma 90 _cell_volume 1189.3 _cell_formula_units_Z 8 _symmetry_space_group_name_H-M 'C 1 2/c 1' _symmetry_Int_Tables_number 15 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,y,1/2-z' '-x,-y,-z' 'x,-y,1/2+z' '1/2+x,1/2+y,z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2-y,-z' '1/2+x,1/2-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Ti3+ 3.420 P5+ 5.000 K1+ 1.000 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 Ti1 Ti3+ 8 f 0.36879(9) 0.1029(4) 0.2804(1) 1. 0 d P1 P5+ 8 f 0.4133(1) 0.1114(5) 0.0463(2) 1. 0 d P2 P5+ 8 f 0.1534(1) 0.1155(5) 0.1686(2) 1. 0 d K1 K1+ 8 f 0.2701(4) 0.331(2) 0.5091(5) 0.5 0 d K2 K1+ 4 e 0. 0.11(1) 0.25 0.08(1) 0 d O1 O2- 8 f 0.2443(4) 0.112(2) 0.1881(6) 1. 0 d O2 O2- 8 f 0.3593(4) -0.210(1) 0.2553(5) 1. 0 d O3 O2- 8 f 0.3648(4) 0.141(2) 0.1177(5) 1. 0 d O4 O2- 8 f 0.4931(4) 0.068(1) 0.3683(5) 1. 0 d O5 O2- 8 f 0.3775(4) 0.408(2) 0.3101(6) 1. 0 d O6 O2- 8 f 0.3688(4) 0.056(1) 0.4442(6) 1. 0 d O7 O2- 8 f 0.0923(4) 0.167(1) 0.0220(6) 1. 0 d _refine_ls_R_factor_all 0.0522