#------------------------------------------------------------------------------ #$Date: 2016-02-20 00:53:41 +0000 (Sat, 20 Feb 2016) $ #$Revision: 176768 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/40/2104055.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2104055 loop_ _publ_author_name 'Daszkiewicz, Marek' 'Gulay, Lubomir D.' 'Shemet, Vasylyna Ya.' _publ_section_title ; Crystal architecture of R~2~SnS~5~ (R = Pr, Nd, Gd and Tb): crystal structure relationships in chalcogenides ; _journal_issue 2 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 172 _journal_page_last 176 _journal_paper_doi 10.1107/S0108768108004175 _journal_volume 64 _journal_year 2008 _chemical_formula_moiety 'Gd2 S5 Sn' _chemical_formula_sum 'Gd2 S5 Sn' _chemical_formula_weight 593.49 _chemical_name_systematic ; ? ; _space_group_IT_number 55 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2 2ab' _symmetry_space_group_name_H-M 'P b a m' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 2 _cell_length_a 7.7330(17) _cell_length_b 11.290(2) _cell_length_c 3.8217(9) _cell_measurement_reflns_used 348 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 26.69 _cell_measurement_theta_min 3.19 _cell_volume 333.66(12) _computing_cell_refinement 'CrysAlis 1.171.32.6' _computing_data_collection 'CrysAlis 1.171.32.6' _computing_data_reduction 'CrysAlis 1.171.32.6' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_detector_area_resol_mean '1024x1024 with blocks 2x2, 33.133pixel/mm' _diffrn_measured_fraction_theta_full 0.993 _diffrn_measured_fraction_theta_max 0.993 _diffrn_measurement_device_type 'KUMA KM-4 with area CCD detector' _diffrn_measurement_method \w-scan _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 0.0622 _diffrn_reflns_av_sigmaI/netI 0.0426 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_k_min -14 _diffrn_reflns_limit_l_max 4 _diffrn_reflns_limit_l_min -4 _diffrn_reflns_number 3712 _diffrn_reflns_theta_full 26.69 _diffrn_reflns_theta_max 26.69 _diffrn_reflns_theta_min 3.19 _exptl_absorpt_coefficient_mu 24.798 _exptl_absorpt_correction_T_max 0.5462 _exptl_absorpt_correction_T_min 0.2417 _exptl_absorpt_correction_type numerical _exptl_absorpt_process_details 'M. Mayer, CrysAlis Data Reduction Program, Oxford Diffraction Ltd, 2007' _exptl_crystal_colour black _exptl_crystal_density_diffrn 5.907 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 516 _exptl_crystal_size_max 0.10 _exptl_crystal_size_mid 0.03 _exptl_crystal_size_min 0.02 _refine_diff_density_max 0.773 _refine_diff_density_min -0.958 _refine_ls_extinction_coef 0.0222(6) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_ref 0.869 _refine_ls_matrix_type full _refine_ls_number_parameters 28 _refine_ls_number_reflns 401 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.869 _refine_ls_R_factor_all 0.0276 _refine_ls_R_factor_gt 0.0184 _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^)+(0.0053P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0253 _refine_ls_wR_factor_ref 0.0271 _reflns_number_gt 348 _reflns_number_total 401 _reflns_threshold_expression >2sigma(I) _cod_data_source_file bs5058.cif _cod_data_source_block gd _cod_original_cell_volume 333.66(13) _cod_database_code 2104055 _cod_database_fobs_code 2104055 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z' '-x+1/2, y+1/2, -z' 'x+1/2, -y+1/2, -z' '-x, -y, -z' 'x, y, -z' 'x-1/2, -y-1/2, z' '-x-1/2, y-1/2, z' 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 Gd Gd1 0.46231(5) 0.17255(4) 0.5000 0.00938(16) Uani d S 1 Sn Sn1 0.0000 0.0000 0.0000 0.0090(2) Uani d S 1 S S1 0.8270(2) 0.09066(18) 0.5000 0.0097(5) Uani d S 1 S S2 0.1701(2) 0.19536(18) 0.0000 0.0086(4) Uani d S 1 S S3 0.5000 0.0000 0.0000 0.0095(6) 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 Gd1 0.0113(2) 0.0095(2) 0.0073(2) 0.00074(19) 0.000 0.000 Sn1 0.0116(5) 0.0085(4) 0.0069(4) -0.0001(3) 0.000 0.000 S1 0.0107(10) 0.0105(10) 0.0079(11) 0.0018(9) 0.000 0.000 S2 0.0091(9) 0.0089(11) 0.0077(10) -0.0011(8) 0.000 0.000 S3 0.0114(16) 0.0113(14) 0.0057(13) -0.0010(11) 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 S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Sn Sn -0.6537 1.4246 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Gd Gd -0.1653 3.9035 '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 S3 Gd1 S3 . 1_556 88.26(2) S3 Gd1 S1 . 7_565 134.407(14) S3 Gd1 S1 1_556 7_565 134.407(14) S3 Gd1 S2 . 7_666 139.71(4) S3 Gd1 S2 1_556 7_666 81.25(3) S1 Gd1 S2 7_565 7_666 73.97(5) S3 Gd1 S2 . 7_665 81.25(3) S3 Gd1 S2 1_556 7_665 139.71(4) S1 Gd1 S2 7_565 7_665 73.97(5) S2 Gd1 S2 7_666 7_665 82.15(5) S3 Gd1 S1 . . 71.21(3) S3 Gd1 S1 1_556 . 71.21(3) S1 Gd1 S1 7_565 . 129.52(5) S2 Gd1 S1 7_666 . 68.57(5) S2 Gd1 S1 7_665 . 68.57(5) S3 Gd1 S2 . . 72.21(3) S3 Gd1 S2 1_556 . 126.17(4) S1 Gd1 S2 7_565 . 69.03(5) S2 Gd1 S2 7_666 . 142.99(3) S2 Gd1 S2 7_665 . 87.32(2) S1 Gd1 S2 . . 138.58(3) S3 Gd1 S2 . 1_556 126.17(4) S3 Gd1 S2 1_556 1_556 72.21(3) S1 Gd1 S2 7_565 1_556 69.03(5) S2 Gd1 S2 7_666 1_556 87.32(2) S2 Gd1 S2 7_665 1_556 142.99(3) S1 Gd1 S2 . 1_556 138.58(3) S2 Gd1 S2 . 1_556 80.08(5) S3 Gd1 Gd1 . 1_554 45.870(11) S3 Gd1 Gd1 1_556 1_554 134.130(11) S1 Gd1 Gd1 7_565 1_554 90.0 S2 Gd1 Gd1 7_666 1_554 131.08(3) S2 Gd1 Gd1 7_665 1_554 48.92(3) S1 Gd1 Gd1 . 1_554 90.0 S2 Gd1 Gd1 . 1_554 49.96(2) S2 Gd1 Gd1 1_556 1_554 130.04(3) S3 Gd1 Gd1 . 1_556 134.130(11) S3 Gd1 Gd1 1_556 1_556 45.870(11) S1 Gd1 Gd1 7_565 1_556 90.0 S2 Gd1 Gd1 7_666 1_556 48.92(3) S2 Gd1 Gd1 7_665 1_556 131.08(3) S1 Gd1 Gd1 . 1_556 90.0 S2 Gd1 Gd1 . 1_556 130.04(2) S2 Gd1 Gd1 1_556 1_556 49.96(2) Gd1 Gd1 Gd1 1_554 1_556 180.000(17) S3 Gd1 Gd1 . 5_656 44.130(11) S3 Gd1 Gd1 1_556 5_656 44.130(11) S1 Gd1 Gd1 7_565 5_656 167.14(4) S2 Gd1 Gd1 7_666 5_656 115.17(4) S2 Gd1 Gd1 7_665 5_656 115.17(4) S1 Gd1 Gd1 . 5_656 63.34(4) S2 Gd1 Gd1 . 5_656 101.44(4) S2 Gd1 Gd1 1_556 5_656 101.44(4) Gd1 Gd1 Gd1 1_554 5_656 90.0 Gd1 Gd1 Gd1 1_556 5_656 90.0 S1 Sn1 S1 1_454 1_455 97.21(7) S1 Sn1 S1 1_454 5_656 180.0 S1 Sn1 S1 1_455 5_656 82.79(7) S1 Sn1 S1 1_454 5_655 82.79(7) S1 Sn1 S1 1_455 5_655 180.00(7) S1 Sn1 S1 5_656 5_655 97.21(7) S1 Sn1 S2 1_454 5 94.37(5) S1 Sn1 S2 1_455 5 94.37(5) S1 Sn1 S2 5_656 5 85.63(5) S1 Sn1 S2 5_655 5 85.63(5) S1 Sn1 S2 1_454 . 85.63(5) S1 Sn1 S2 1_455 . 85.63(5) S1 Sn1 S2 5_656 . 94.37(5) S1 Sn1 S2 5_655 . 94.37(5) S2 Sn1 S2 5 . 180.00(8) Sn1 S1 Sn1 1_656 1_655 97.21(7) Sn1 S1 Gd1 1_656 7_665 100.53(5) Sn1 S1 Gd1 1_655 7_665 100.53(5) Sn1 S1 Gd1 1_656 . 128.62(4) Sn1 S1 Gd1 1_655 . 128.62(4) Gd1 S1 Gd1 7_665 . 93.22(6) Sn1 S2 Gd1 . 7_565 99.05(5) Sn1 S2 Gd1 . 7_564 99.05(5) Gd1 S2 Gd1 7_565 7_564 82.15(5) Sn1 S2 Gd1 . . 108.37(6) Gd1 S2 Gd1 7_565 . 92.41(3) Gd1 S2 Gd1 7_564 . 152.56(7) Sn1 S2 Gd1 . 1_554 108.37(6) Gd1 S2 Gd1 7_565 1_554 152.56(7) Gd1 S2 Gd1 7_564 1_554 92.41(3) Gd1 S2 Gd1 . 1_554 80.08(5) Gd1 S3 Gd1 . 5_655 180.000(12) Gd1 S3 Gd1 . 1_554 88.26(2) Gd1 S3 Gd1 5_655 1_554 91.74(2) Gd1 S3 Gd1 . 5_656 91.74(2) Gd1 S3 Gd1 5_655 5_656 88.26(2) Gd1 S3 Gd1 1_554 5_656 180.000(12) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance Gd1 S3 . 2.7444(5) Gd1 S3 1_556 2.7444(5) Gd1 S1 7_565 2.871(2) Gd1 S2 7_666 2.9082(15) Gd1 S2 7_665 2.9082(15) Gd1 S1 . 2.968(2) Gd1 S2 . 2.9704(15) Gd1 S2 1_556 2.9704(15) Gd1 Gd1 1_554 3.8217(9) Gd1 Gd1 1_556 3.8217(9) Gd1 Gd1 5_656 3.9396(12) Sn1 S1 1_454 2.5472(13) Sn1 S1 1_455 2.5472(13) Sn1 S1 5_656 2.5472(13) Sn1 S1 5_655 2.5472(13) Sn1 S2 5 2.568(2) Sn1 S2 . 2.568(2) S1 Sn1 1_656 2.5472(13) S1 Sn1 1_655 2.5472(13) S1 Gd1 7_665 2.871(2) S2 Gd1 7_565 2.9082(15) S2 Gd1 7_564 2.9082(15) S2 Gd1 1_554 2.9704(15) S3 Gd1 5_655 2.7444(5) S3 Gd1 1_554 2.7444(5) S3 Gd1 5_656 2.7444(5)