data_4000661 _journal_name_full 'Chemistry of Materials' _journal_year 2005 _chemical_name_common 'Thallium Manganese Germanium Telluride' _chemical_formula_sum 'Ge Mn Te4 Tl2' _chemical_formula_weight 1046.67 _symmetry_cell_setting Tetragonal _symmetry_space_group_name_H-M 'I -4 2 m' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z' 'y, -x, -z' '-y, x, -z' '-x, y, -z' 'x, -y, -z' '-y, -x, z' 'y, x, z' 'x+1/2, y+1/2, z+1/2' '-x+1/2, -y+1/2, z+1/2' 'y+1/2, -x+1/2, -z+1/2' '-y+1/2, x+1/2, -z+1/2' '-x+1/2, y+1/2, -z+1/2' 'x+1/2, -y+1/2, -z+1/2' '-y+1/2, -x+1/2, z+1/2' 'y+1/2, x+1/2, z+1/2' _cell_length_a 8.399(3) _cell_length_b 8.399(3) _cell_length_c 6.963(3) _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_volume 491.2(3) _cell_formula_units_Z 2 _cell_measurement_temperature 175(5) _exptl_crystal_density_diffrn 7.077 _diffrn_ambient_temperature 175(5) loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group Tl1 Tl 0.0000 0.5000 0.0000 0.01901(16) Uani 1 4 d S . . Mn1 Mn 0.0000 0.0000 0.5000 0.0151(9) Uani 1 8 d S . . Ge1 Ge 0.0000 0.0000 0.0000 0.0077(5) Uani 1 8 d S . . Te1 Te 0.17288(6) 0.17288(6) 0.23160(9) 0.00927(16) Uani 1 2 d S . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Tl1 0.0247(5) 0.0150(4) 0.0174(3) 0.000 0.000 0.000 Mn1 0.0191(15) 0.0191(15) 0.0072(13) 0.000 0.000 0.000 Ge1 0.0077(8) 0.0077(8) 0.0076(8) 0.000 0.000 0.000 Te1 0.0087(2) 0.0087(2) 0.0105(2) -0.00096(19) -0.00096(19) -0.0002(3) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Tl1 Tl1 3.4815(13) 11_455 ? Tl1 Tl1 3.4815(13) 11_454 ? Tl1 Te1 3.5011(10) 4 ? Tl1 Te1 3.5011(10) 3_565 ? Tl1 Te1 3.5011(10) 2_565 ? Tl1 Te1 3.5011(10) . ? Tl1 Te1 3.6262(10) 12 ? Tl1 Te1 3.6262(10) 11_455 ? Tl1 Te1 3.6262(10) 9_454 ? Tl1 Te1 3.6262(10) 10_554 ? Tl1 Ge1 4.1995(14) . ? Tl1 Ge1 4.1995(14) 1_565 ? Mn1 Te1 2.7765(9) 2 ? Mn1 Te1 2.7765(9) . ? Mn1 Te1 2.7765(9) 4_556 ? Mn1 Te1 2.7765(9) 3_556 ? Mn1 Tl1 4.1995(14) 9_545 ? Mn1 Tl1 4.1995(14) 11_455 ? Mn1 Tl1 4.1995(14) 9_445 ? Mn1 Tl1 4.1995(14) 11_445 ? Ge1 Te1 2.6110(9) . ? Ge1 Te1 2.6110(9) 4 ? Ge1 Te1 2.6110(9) 3 ? Ge1 Te1 2.6110(9) 2 ? Ge1 Tl1 4.1995(14) 3 ? Ge1 Tl1 4.1995(14) 3_455 ? Ge1 Tl1 4.1995(14) 1_545 ? Te1 Tl1 3.5011(10) 3 ? Te1 Tl1 3.6262(10) 11_455 ? Te1 Tl1 3.6262(10) 9_545 ?