#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/1/1000388.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_1000388 _chemical_name_systematic 'Tricalcium dithallate' _chemical_formula_structural '(Ca2.8 Tl0.2) (Tl2 O6)' _chemical_formula_sum 'Ca2.8 O6 Tl2.2' _publ_section_title ; The calcium thallate Ca3 Tl2 O6, third member of the series Can Tl2 On+3 ; loop_ _publ_author_name 'Goutenoire, F' 'Caignaert, V' 'Hervieu, M' 'Michel, C' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 115 _journal_year 1995 _journal_page_first 508 _journal_page_last 513 _cell_length_a 11.248(2) _cell_length_b 16.51299(200) _cell_length_c 3.3329(3) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 619.0 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P b a m' _symmetry_Int_Tables_number 55 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '1/2+x,1/2-y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' 'x,y,-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,z' loop_ _atom_type_symbol _atom_type_oxidation_number Tl3+ 3.000 Ca2+ 2.000 O2- -2.033 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 Tl3+ 4 g 0.1346(2) 0.04572(3) 0. 1. 0 d Tl2 Tl3+ 4 g 0.0852(2) 0.6491(1) 0. 1. 0 d Ca1 Ca2+ 4 h 0.1703(5) 0.2264(3) 0.5 0.90(5) 0 d Tl3 Tl3+ 4 h 0.1703(5) 0.2264(3) 0.5 0.10(5) 0 d Ca2 Ca2+ 4 h 0.1349(5) 0.4592(4) 0.5 0.90(5) 0 d Tl4 Tl3+ 4 h 0.1349(5) 0.4592(4) 0.5 0.10(5) 0 d Ca3 Ca2+ 4 h 0.3936(6) 0.3548(5) 0.5 1. 0 d O1 O2- 4 g 0.053(2) 0.157(2) 0. 1. 0 d O2 O2- 2 c 0.5 0. 0. 1. 0 d O3 O2- 4 g 0.275(2) 0.429(1) 0. 1. 0 d O4 O2- 2 b 0. 0. 0.5 1. 0 d O5 O2- 4 h 0.289(2) 0.091(2) 0.5 1. 0 d O6 O2- 4 h 0.046(2) 0.332(1) 0.5 1. 0 d O7 O2- 4 g 0.305(2) 0.263(2) 0. 1. 0 d _refine_ls_R_factor_all 0.048