#------------------------------------------------------------------------------ #$Date: 2016-02-16 20:30:59 +0000 (Tue, 16 Feb 2016) $ #$Revision: 176467 $ #$URL: svn://www.crystallography.net/cod/cif/4/00/00/4000005.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_4000005 _journal_name_full 'Chemistry of Materials' _journal_year 2000 _chemical_formula_sum 'Sn3 Ti2' _chemical_formula_weight 451.87 _space_group_IT_number 64 _symmetry_space_group_name_Hall '-C 2ac 2' _symmetry_space_group_name_H-M 'C m c a' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 8 _cell_length_a 5.9556(4) _cell_length_b 19.964(2) _cell_length_c 7.0281(5) _cell_measurement_temperature 293(2) _cell_volume 835.6(1) _diffrn_ambient_temperature 293(2) _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 0.0281 _diffrn_reflns_av_sigmaI/netI 0.0201 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -7 _diffrn_reflns_limit_k_max 28 _diffrn_reflns_limit_k_min -28 _diffrn_reflns_limit_l_max 9 _diffrn_reflns_limit_l_min -9 _diffrn_reflns_number 5957 _diffrn_reflns_theta_max 30.25 _diffrn_reflns_theta_min 3.55 _exptl_absorpt_coefficient_mu 21.110 _exptl_absorpt_correction_T_max 0.34 _exptl_absorpt_correction_T_min 0.26 _exptl_absorpt_correction_type numerical _exptl_crystal_density_diffrn 7.184 _exptl_crystal_F_000 1552 _refine_ls_extinction_coef 0.00080(4) _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_all 0.785 _refine_ls_goodness_of_fit_obs 0.852 _refine_ls_hydrogen_treatment ? _refine_ls_matrix_type full _refine_ls_number_parameters 30 _refine_ls_number_reflns 636 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.785 _refine_ls_restrained_S_obs 0.852 _refine_ls_R_factor_all 0.0183 _refine_ls_R_factor_obs 0.0116 _refine_ls_shift/esd_max -0.001 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0170P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.0256 _refine_ls_wR_factor_obs 0.0248 _reflns_number_observed 515 _reflns_number_total 636 _reflns_observed_criterion >2sigma(I) _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w=1/[\s^2^(Fo^2^)+(0.0170P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w=1/[\s^2^(Fo^2^)+(0.0170P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_sg_symbol_H-M 'C M C A' _cod_original_formula_sum Ti2Sn3 _cod_database_code 4000005 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y+1/2, z+1/2' '-x, y+1/2, -z+1/2' 'x, -y, -z' 'x+1/2, y+1/2, z' '-x+1/2, -y+1, z+1/2' '-x+1/2, y+1, -z+1/2' 'x+1/2, -y+1/2, -z' '-x, -y, -z' 'x, y-1/2, -z-1/2' 'x, -y-1/2, z-1/2' '-x, y, z' '-x+1/2, -y+1/2, -z' 'x+1/2, y, -z-1/2' 'x+1/2, -y, z-1/2' '-x+1/2, y+1/2, z' 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 Sn1 0.0120(2) 0.00453(12) 0.00750(13) 0.00194(9) 0.000 0.000 Sn2 0.0098(2) 0.00770(12) 0.00414(12) -0.00147(9) 0.000 0.000 Sn3 0.0078(2) 0.00603(11) 0.00674(11) 0.000 0.00206(12) 0.000 Ti1 0.0089(5) 0.0043(3) 0.0040(3) 0.0007(2) 0.000 0.000 Ti2 0.0081(4) 0.0042(3) 0.0042(3) 0.000 -0.0008(3) 0.000 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_thermal_displace_type _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_group Sn1 Sn 0.0000 0.276100(13) 0.07434(4) 0.00802(8) Uani 1 d S . Sn2 Sn 0.0000 0.121389(13) -0.07325(4) 0.00721(8) Uani 1 d S . Sn3 Sn 0.2500 0.020653(12) 0.2500 0.00687(8) Uani 1 d S . Ti1 Ti 0.0000 0.41946(3) 0.04820(9) 0.0057(2) Uani 1 d S . Ti2 Ti 0.2500 0.16427(3) 0.2500 0.00550(14) Uani 1 d S .