#------------------------------------------------------------------------------ #$Date: 2017-11-15 13:07:08 +0000 (Wed, 15 Nov 2017) $ #$Revision: 203218 $ #$URL: svn://www.crystallography.net/cod/cif/2/30/03/2300300.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_2300300 loop_ _publ_author_name 'Schneider, Matthias N.' 'Seibald, Markus' 'Lagally, Patrick' 'Oeckler, Oliver' _publ_section_title ; Ambiguities in the structure determination of antimony tellurides arising from almost homometric structure models and stacking disorder ; _journal_coden_ASTM JACGAR _journal_issue 5 _journal_name_full 'Journal of Applied Crystallography' _journal_page_first 1012 _journal_page_last 1020 _journal_paper_doi 10.1107/S0021889810032644 _journal_volume 43 _journal_year 2010 _chemical_formula_sum 'Pb0.18 Sb7.82 Te3' _chemical_formula_weight 1371.89 _chemical_name_common 'Pb-doped antimony telluride' _chemical_name_systematic ; ? ; _space_group_IT_number 166 _symmetry_cell_setting trigonal _symmetry_space_group_name_Hall '-R 3 2"' _symmetry_space_group_name_H-M 'R -3 m :H' _atom_sites_solution_hydrogens none _atom_sites_solution_primary direct _atom_sites_solution_secondary none _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 120.00 _cell_formula_units_Z 3 _cell_length_a 4.2874(6) _cell_length_b 4.2874(6) _cell_length_c 64.300(16) _cell_measurement_reflns_used 841 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 27 _cell_measurement_theta_min 4 _cell_volume 1023.6(3) _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.994 _diffrn_measured_fraction_theta_max 0.994 _diffrn_measurement_device_type 'Stoe IPDS' _diffrn_measurement_method oscillation _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0811 _diffrn_reflns_av_sigmaI/netI 0.0412 _diffrn_reflns_limit_h_max 6 _diffrn_reflns_limit_h_min -6 _diffrn_reflns_limit_k_max 6 _diffrn_reflns_limit_k_min -5 _diffrn_reflns_limit_l_max 85 _diffrn_reflns_limit_l_min -90 _diffrn_reflns_number 3739 _diffrn_reflns_theta_full 29.99 _diffrn_reflns_theta_max 29.99 _diffrn_reflns_theta_min 2.85 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 23.644 _exptl_absorpt_correction_T_max 0.1836 _exptl_absorpt_correction_T_min 0.0796 _exptl_absorpt_correction_type numerical _exptl_absorpt_process_details 'X-RED, X-SHAPE (Stoe, Darmstadt 2002)' _exptl_crystal_colour metallic_dark_grey _exptl_crystal_density_diffrn 6.677 _exptl_crystal_density_method 'not measured' _exptl_crystal_description 'irregular polyhedron' _exptl_crystal_F_000 1707.5 _exptl_crystal_size_max 0.18 _exptl_crystal_size_mid 0.10 _exptl_crystal_size_min 0.08 _refine_diff_density_max 1.172 _refine_diff_density_min -2.041 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 0.811 _refine_ls_hydrogen_treatment none _refine_ls_matrix_type full _refine_ls_number_parameters 19 _refine_ls_number_reflns 462 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.811 _refine_ls_R_factor_all 0.0893 _refine_ls_R_factor_gt 0.0298 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0390P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0666 _refine_ls_wR_factor_ref 0.0833 _reflns_number_gt 184 _reflns_number_total 462 _reflns_threshold_expression >2sigma(I) _cod_data_source_file db5086.cif _cod_data_source_block mnspl152_b_richtig _cod_original_sg_symbol_Hall '-R 3 2" ' _cod_original_sg_symbol_H-M 'R -3 m' _cod_database_code 2300300 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-y, x-y, z' '-x+y, -x, z' 'y, x, -z' 'x-y, -y, -z' '-x, -x+y, -z' 'x+2/3, y+1/3, z+1/3' '-y+2/3, x-y+1/3, z+1/3' '-x+y+2/3, -x+1/3, z+1/3' 'y+2/3, x+1/3, -z+1/3' 'x-y+2/3, -y+1/3, -z+1/3' '-x+2/3, -x+y+1/3, -z+1/3' 'x+1/3, y+2/3, z+2/3' '-y+1/3, x-y+2/3, z+2/3' '-x+y+1/3, -x+2/3, z+2/3' 'y+1/3, x+2/3, -z+2/3' 'x-y+1/3, -y+2/3, -z+2/3' '-x+1/3, -x+y+2/3, -z+2/3' '-x, -y, -z' 'y, -x+y, -z' 'x-y, x, -z' '-y, -x, z' '-x+y, y, z' 'x, x-y, z' '-x+2/3, -y+1/3, -z+1/3' 'y+2/3, -x+y+1/3, -z+1/3' 'x-y+2/3, x+1/3, -z+1/3' '-y+2/3, -x+1/3, z+1/3' '-x+y+2/3, y+1/3, z+1/3' 'x+2/3, x-y+1/3, z+1/3' '-x+1/3, -y+2/3, -z+2/3' 'y+1/3, -x+y+2/3, -z+2/3' 'x-y+1/3, x+2/3, -z+2/3' '-y+1/3, -x+2/3, z+2/3' '-x+y+1/3, y+2/3, z+2/3' 'x+1/3, x-y+2/3, z+2/3' loop_ _atom_site_type_symbol _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group Te Te1 0.0000 0.0000 0.0000 0.0186(8) Uani d S 1 . . Sb Sb1 0.3333 0.6667 0.03102(5) 0.0315(7) Uani d SP 0.911(14) . . Pb Pb1 0.3333 0.6667 0.03102(5) 0.0315(7) Uani d SP 0.089(14) . . Te Te2 0.6667 0.3333 0.05790(3) 0.0186(6) Uani d S 1 . . Sb Sb2 0.0000 0.0000 0.09485(4) 0.0202(5) Uani d S 1 . . Sb Sb3 0.3333 0.6667 0.11874(4) 0.0185(6) Uani d S 1 . . Sb Sb4 0.6667 0.3333 0.15475(4) 0.0160(4) Uani d S 1 . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Te1 0.0181(12) 0.0181(12) 0.0196(11) 0.0091(6) 0.000 0.000 Sb1 0.0239(8) 0.0239(8) 0.0466(11) 0.0120(4) 0.000 0.000 Pb1 0.0239(8) 0.0239(8) 0.0466(11) 0.0120(4) 0.000 0.000 Te2 0.0165(9) 0.0165(9) 0.0227(8) 0.0082(5) 0.000 0.000 Sb2 0.0165(8) 0.0165(8) 0.0276(9) 0.0082(4) 0.000 0.000 Sb3 0.0152(9) 0.0152(9) 0.0252(8) 0.0076(4) 0.000 0.000 Sb4 0.0126(7) 0.0126(7) 0.0229(8) 0.0063(3) 0.000 0.000 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Sb Sb -0.5866 1.5461 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Te Te -0.5308 1.6751 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Pb Pb -3.3944 10.1111 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag Pb1 Te1 Sb1 19 . 180.00(9) ? Sb1 Te1 Sb1 . 19 180.00(9) ? Pb1 Te1 Pb1 19 19_565 84.81(7) ? Sb1 Te1 Pb1 . 19_565 95.19(7) ? Sb1 Te1 Pb1 19 19_565 84.81(7) ? Pb1 Te1 Sb1 19 1_545 95.19(7) ? Sb1 Te1 Sb1 . 1_545 84.81(7) ? Sb1 Te1 Sb1 19 1_545 95.19(7) ? Pb1 Te1 Sb1 19_565 1_545 180.00(9) ? Pb1 Te1 Sb1 19 19_565 84.81(7) ? Sb1 Te1 Sb1 . 19_565 95.19(7) ? Sb1 Te1 Sb1 19 19_565 84.81(7) ? Sb1 Te1 Sb1 1_545 19_565 180.00(9) ? Pb1 Te1 Pb1 19 1_545 95.19(7) ? Sb1 Te1 Pb1 . 1_545 84.81(7) ? Sb1 Te1 Pb1 19 1_545 95.19(7) ? Pb1 Te1 Pb1 19_565 1_545 180.00(9) ? Sb1 Te1 Pb1 19_565 1_545 180.00(9) ? Pb1 Te1 Pb1 19 19_665 84.81(7) ? Sb1 Te1 Pb1 . 19_665 95.19(7) ? Sb1 Te1 Pb1 19 19_665 84.81(7) ? Pb1 Te1 Pb1 19_565 19_665 84.81(7) ? Sb1 Te1 Pb1 1_545 19_665 95.19(7) ? Sb1 Te1 Pb1 19_565 19_665 84.81(7) ? Pb1 Te1 Pb1 1_545 19_665 95.19(7) ? Pb1 Te1 Pb1 19 1_445 95.19(7) ? Sb1 Te1 Pb1 . 1_445 84.81(7) ? Sb1 Te1 Pb1 19 1_445 95.19(7) ? Pb1 Te1 Pb1 19_565 1_445 95.19(7) ? Sb1 Te1 Pb1 1_545 1_445 84.81(7) ? Sb1 Te1 Pb1 19_565 1_445 95.19(7) ? Pb1 Te1 Pb1 1_545 1_445 84.81(7) ? Pb1 Te1 Pb1 19_665 1_445 180.00(9) ? Pb1 Te1 Sb1 19 1_445 95.19(7) ? Sb1 Te1 Sb1 . 1_445 84.81(7) ? Sb1 Te1 Sb1 19 1_445 95.19(7) ? Pb1 Te1 Sb1 19_565 1_445 95.19(7) ? Sb1 Te1 Sb1 1_545 1_445 84.81(7) ? Sb1 Te1 Sb1 19_565 1_445 95.19(7) ? Pb1 Te1 Sb1 1_545 1_445 84.81(7) ? Pb1 Te1 Sb1 19_665 1_445 180.00(9) ? Pb1 Te1 Sb1 19 19_665 84.81(7) ? Sb1 Te1 Sb1 . 19_665 95.19(7) ? Sb1 Te1 Sb1 19 19_665 84.81(7) ? Pb1 Te1 Sb1 19_565 19_665 84.81(7) ? Sb1 Te1 Sb1 1_545 19_665 95.19(7) ? Sb1 Te1 Sb1 19_565 19_665 84.81(7) ? Pb1 Te1 Sb1 1_545 19_665 95.19(7) ? Pb1 Te1 Sb1 1_445 19_665 180.00(9) ? Sb1 Te1 Sb1 1_445 19_665 180.00(9) ? Te2 Sb1 Te2 1_565 1_455 90.48(11) ? Te2 Sb1 Te2 1_565 . 90.48(11) ? Te2 Sb1 Te2 1_455 . 90.48(11) ? Te2 Sb1 Te1 1_565 . 176.06(12) ? Te2 Sb1 Te1 1_455 . 92.29(3) ? Te2 Sb1 Te1 . . 92.29(3) ? Te2 Sb1 Te1 1_565 1_565 92.29(3) ? Te2 Sb1 Te1 1_455 1_565 92.29(3) ? Te2 Sb1 Te1 . 1_565 176.06(12) ? Te1 Sb1 Te1 . 1_565 84.81(7) ? Te2 Sb1 Te1 1_565 1_665 92.29(3) ? Te2 Sb1 Te1 1_455 1_665 176.06(12) ? Te2 Sb1 Te1 . 1_665 92.29(3) ? Te1 Sb1 Te1 . 1_665 84.81(7) ? Te1 Sb1 Te1 1_565 1_665 84.81(7) ? Pb1 Te2 Pb1 1_545 1_655 90.48(11) ? Sb1 Te2 Pb1 1_545 1_655 90.48(11) ? Pb1 Te2 Sb1 1_545 1_655 90.48(11) ? Sb1 Te2 Sb1 1_545 1_655 90.48(11) ? Pb1 Te2 Sb1 1_545 . 90.48(11) ? Sb1 Te2 Sb1 1_545 . 90.48(11) ? Pb1 Te2 Sb1 1_655 . 90.48(11) ? Sb1 Te2 Sb1 1_655 . 90.48(11) ? Sb3 Sb2 Sb3 1_545 . 94.76(10) ? Sb3 Sb2 Sb3 1_545 1_445 94.76(10) ? Sb3 Sb2 Sb3 . 1_445 94.76(10) ? Sb2 Sb3 Sb2 1_565 . 94.76(10) ? Sb2 Sb3 Sb2 1_565 1_665 94.76(10) ? Sb2 Sb3 Sb2 . 1_665 94.76(10) ? Sb4 Sb4 Sb4 25_655 25_665 94.83(12) ? Sb4 Sb4 Sb4 25_655 25 94.83(12) ? Sb4 Sb4 Sb4 25_665 25 94.83(12) ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Te1 Pb1 19 3.179(2) ? Te1 Sb1 . 3.179(2) ? Te1 Sb1 19 3.179(2) ? Te1 Pb1 19_565 3.179(2) ? Te1 Sb1 1_545 3.179(2) ? Te1 Sb1 19_565 3.179(2) ? Te1 Pb1 1_545 3.179(2) ? Te1 Pb1 19_665 3.179(2) ? Te1 Pb1 1_445 3.179(2) ? Te1 Sb1 1_445 3.179(2) ? Te1 Sb1 19_665 3.179(2) ? Sb1 Te2 1_565 3.019(3) ? Sb1 Te2 1_455 3.019(3) ? Sb1 Te2 . 3.019(3) ? Sb1 Te1 1_565 3.179(2) ? Sb1 Te1 1_665 3.179(2) ? Te2 Pb1 1_545 3.019(3) ? Te2 Sb1 1_545 3.019(3) ? Te2 Pb1 1_655 3.019(3) ? Te2 Sb1 1_655 3.019(3) ? Sb2 Sb3 1_545 2.913(2) ? Sb2 Sb3 . 2.913(2) ? Sb2 Sb3 1_445 2.913(2) ? Sb3 Sb2 1_565 2.913(2) ? Sb3 Sb2 1_665 2.913(2) ? Sb4 Sb4 25_655 2.912(3) ? Sb4 Sb4 25_665 2.912(3) ? Sb4 Sb4 25 2.912(3) ?