#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1004024.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_1004024 _chemical_name_systematic 'Diammonium oxotetrafluorotitanate' _chemical_formula_structural '(N H4)2 (Ti F4 O)' _chemical_formula_sum 'F4 H8 N2 O Ti' _[local]_cod_chemical_formula_sum_orig 'H8 F4 N2 O Ti' _publ_section_title ; Synthesis and structure determination of (N H4)2 Ti F4 O ; loop_ _publ_author_name 'Patarin, J' 'Marcuccilli-Hoffner, F' 'Kessler, H' 'Daniels, P' _journal_name_full ; European Journal of Solid State Inorganic Chemistry ; _journal_coden_ASTM EJSCE5 _journal_volume 31 _journal_year 1994 _journal_page_first 501 _journal_page_last 511 _cell_length_a 6.3245(1) _cell_length_b 7.5422(1) _cell_length_c 11.0095(2) _cell_angle_alpha 90 _cell_angle_beta 90.12(2) _cell_angle_gamma 90 _cell_volume 525.2 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 1 21/m 1' _symmetry_Int_Tables_number 11 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,1/2+y,-z' '-x,-y,-z' 'x,1/2-y,z' loop_ _atom_type_symbol _atom_type_oxidation_number Ti4+ 4.000 O2- -2.000 F1- -1.000 N3- -3.000 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 Ti1 Ti4+ 2 a 0. 0. 0. 1. 0 d Ti2 Ti4+ 2 d 0.5 0.5 0.5 1. 0 d O1 O2- 2 e 0.0769(4) 0.25 0.0126(3) 1. 0 d O2 O2- 2 e 0.5751(4) 0.25 0.4874(3) 1. 0 d F1 F1- 4 f 0.2285(2) 0.0496(2) 0.4359(2) 1. 0 d F2 F1- 4 f 0.7286(2) 0.0496(2) 0.0643(2) 1. 0 d F3 F1- 4 f 0.8928(3) 0.0338(2) 0.8407(1) 1. 0 d F4 F1- 4 f 0.3931(3) 0.4660(2) 0.6593(1) 1. 0 d N1 N3- 2 e 0.4216(6) 0.25 0.1943(4) 1. 4 d N2 N3- 2 e 0.9205(6) 0.25 0.3041(4) 1. 4 d N3 N3- 2 e 0.5070(6) 0.25 0.8624(4) 1. 4 d N4 N3- 2 e 0.0076(5) 0.25 0.6390(3) 1. 4 d H1 H1+ 4 f 0.436(7) 0.153(6) 0.244(5) 1. 0 d H2 H1+ 2 e 0.537(12) 0.25 0.158(7) 1. 0 d H3 H1+ 2 e 0.279(11) 0.25 0.153(6) 1. 0 d H4 H1+ 4 f -1. -1. -1. 6. 0 dum _refine_ls_R_factor_all 0.036 _cod_database_code 1004024