#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/04/1000407.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_1000407 loop_ _publ_author_name 'Bulou, A' 'Nouet, J' _publ_section_title ; Structural phase transitions in ferroelastic Tl Al F4: DSC investigations and structures determinations by neutron powder profile refinement ; _journal_coden_ASTM JPSOAW _journal_name_full 'Journal of Physics C' _journal_page_first 2885 _journal_page_last 2900 _journal_paper_doi 10.1088/0022-3719/20/19/014 _journal_volume 20 _journal_year 1987 _chemical_formula_structural 'Tl (Al F4)' _chemical_formula_sum 'Al F4 Tl' _chemical_name_systematic 'Thallium tetrafluoroaluminate - II' _space_group_IT_number 140 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 140 _symmetry_space_group_name_Hall '-I 4 2c' _symmetry_space_group_name_H-M 'I 4/m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.1418(1) _cell_length_b 5.1418(1) _cell_length_c 12.8070(2) _cell_volume 338.6 _refine_ls_R_factor_all 0.0298 _cod_database_code 1000407 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z x,-y,1/2+z -x,y,1/2+z -y,x,z y,-x,z y,x,1/2+z -y,-x,1/2+z -x,-y,-z x,y,-z -x,y,1/2-z x,-y,1/2-z y,-x,-z -y,x,-z -y,-x,1/2-z y,x,1/2-z 1/2+x,1/2+y,1/2+z 1/2-x,1/2-y,1/2+z 1/2+x,1/2-y,z 1/2-x,1/2+y,z 1/2-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+z 1/2+y,1/2+x,z 1/2-y,1/2-x,z 1/2-x,1/2-y,1/2-z 1/2+x,1/2+y,1/2-z 1/2-x,1/2+y,-z 1/2+x,1/2-y,-z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,1/2-z 1/2-y,1/2-x,-z 1/2+y,1/2+x,-z loop_ _atom_site_aniso_label _atom_site_aniso_B_11 _atom_site_aniso_B_12 _atom_site_aniso_B_13 _atom_site_aniso_B_22 _atom_site_aniso_B_23 _atom_site_aniso_B_33 Tl1 2.87(3) 0. 0. 2.87 0. 4.28(7) Al1 0.43(6) 0. 0. 0.43 0. 1.2(1) F1 1.32(3) -0.69(4) 0. 1.32 0. 4.47(7) F2 3.13(4) 0. 0. 3.13 0. 1.44(6) 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 Tl1 Tl1+ 4 b 0. 0.5 0.25 1. 0 d Al1 Al3+ 4 c 0. 0. 0. 1. 0 d F1 F1- 8 h 0.2763(1) 0.2237(1) 0. 1. 0 d F2 F1- 8 f 0. 0. 0.1371(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Tl1+ 1.000 Al3+ 3.000 F1- -1.000