#------------------------------------------------------------------------------ #$Date: 2011-01-03 12:48:23 +0000 (Mon, 03 Jan 2011) $ #$Revision: 5312 $ #$URL: svn://www.crystallography.net/cod/cif/4/4000043.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_4000043 _journal_name_full 'Chemistry of Materials' _journal_year 2001 _chemical_formula_sum 'C18 H18 S2' _chemical_formula_weight 298.44 _chemical_melting_point_C 205 _chemical_name_systematic ; 4-(9-bicyclo[3.3.1]nonanylidene)cyclopenta[2,1-b:3,4-b']dithiophene ; _symmetry_cell_setting tetragonal _symmetry_space_group_name_H-M P4(3)2(1)2 _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 4 _cell_length_a 10.6898(9) _cell_length_b 10.6898(9) _cell_length_c 12.9090(13) _cell_measurement_reflns_used 35 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 11.64 _cell_measurement_theta_min 4.26 _cell_volume 1475.1(2) _diffrn_ambient_temperature 293(2) _diffrn_measurement_device 'Siemens P4' _diffrn_measurement_method '2\q/\w scans' _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 0.0349 _diffrn_reflns_av_sigmaI/netI 0.0565 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 15 _diffrn_reflns_limit_l_min -1 _diffrn_reflns_number 1638 _diffrn_reflns_theta_max 25.00 _diffrn_reflns_theta_min 2.47 _diffrn_standards_decay_% 4.24 _diffrn_standards_interval_count 50 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.348 _exptl_absorpt_correction_type none _exptl_crystal_colour gold-yellow _exptl_crystal_density_diffrn 1.344 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Prism _exptl_crystal_F_000 632 _exptl_crystal_size_max 0.40 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.16 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.22(16) _refine_ls_extinction_coef 0.0084(21) _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 1.061 _refine_ls_goodness_of_fit_obs 1.076 _refine_ls_hydrogen_treatment refall _refine_ls_matrix_type full _refine_ls_number_parameters 129 _refine_ls_number_reflns 1302 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.061 _refine_ls_restrained_S_obs 1.076 _refine_ls_R_factor_all 0.0676 _refine_ls_R_factor_obs 0.0422 _refine_ls_shift/esd_max 0.000 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_scheme 'calc w=1/[\s^2^(Fo^2^)+(0.0300P)^2^+0.3002P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_wR_factor_all 0.0976 _refine_ls_wR_factor_obs 0.0853 _reflns_number_observed 998 _reflns_number_total 1302 _reflns_observed_criterion >2sigma(I) _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius ; _cod_database_code 4000043 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z+1/2' 'y, x, -z' '-y+1/2, x+1/2, z+3/4' 'y+1/2, -x+1/2, z+1/4' '-x+1/2, y+1/2, -z+3/4' 'x+1/2, -y+1/2, -z+1/4' '-y, -x, -z+1/2' 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 S1 0.0544(6) 0.0597(6) 0.0819(7) 0.0118(6) 0.0307(6) 0.0160(5) C2 0.051(2) 0.051(2) 0.045(2) -0.004(2) 0.019(2) -0.006(2) C3 0.046(2) 0.038(2) 0.038(2) 0.000(2) 0.005(2) -0.0034(15) C4 0.037(2) 0.0339(15) 0.0316(15) -0.0044(14) 0.0017(14) -0.0022(14) C5 0.040(2) 0.044(2) 0.048(2) 0.001(2) 0.010(2) 0.0055(15) C11 0.0325(13) 0.0325(13) 0.036(2) -0.0011(13) -0.0011(13) -0.006(2) C12 0.0392(15) 0.0392(15) 0.040(3) 0.0030(15) 0.0030(15) 0.000(2) C13 0.047(2) 0.047(2) 0.057(2) 0.018(2) 0.018(2) 0.010(2) C14 0.059(2) 0.087(3) 0.064(3) 0.030(3) 0.002(2) 0.015(2) C15 0.048(2) 0.111(4) 0.084(3) 0.031(3) 0.000(2) 0.015(3) C16 0.073(3) 0.043(2) 0.090(3) 0.018(2) 0.020(3) 0.006(2) 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 S1 S 0.40342(9) -0.20632(9) 0.64757(9) 0.0653(4) Uani 1 d . . C2 C 0.3764(3) -0.0663(3) 0.5864(3) 0.0491(9) Uani 1 d . . C3 C 0.2664(3) -0.0138(3) 0.6141(3) 0.0405(8) Uani 1 d . . C4 C 0.1981(3) -0.0875(3) 0.6860(2) 0.0342(7) Uani 1 d . . C5 C 0.2629(3) -0.1948(3) 0.7109(2) 0.0440(8) Uani 1 d . . C11 C 0.0824(3) -0.0824(3) 0.7500 0.0336(9) Uani 1 d S . C12 C -0.0061(3) 0.0061(3) 0.7500 0.0394(11) Uani 1 d S . C13 C -0.0162(3) 0.1105(3) 0.6716(3) 0.0502(9) Uani 1 d . . C14 C -0.1406(4) 0.0927(5) 0.6123(3) 0.0703(13) Uani 1 d . . C15 C -0.2556(4) 0.0842(6) 0.6808(4) 0.0810(15) Uani 1 d . . C16 C 0.0005(4) 0.2357(4) 0.7254(4) 0.0688(12) Uani 1 d . . H2 H 0.4388(34) -0.0427(33) 0.5371(27) 0.063(11) Uiso 1 d . . H3 H 0.2407(27) 0.0626(29) 0.5900(24) 0.039(9) Uiso 1 d . . H13 H 0.0556(26) 0.1067(25) 0.6223(21) 0.036(8) Uiso 1 d . . H141 H -0.1238(42) 0.0138(45) 0.5675(36) 0.094(16) Uiso 1 d . . H142 H -0.1542(45) 0.1597(45) 0.5660(39) 0.110(18) Uiso 1 d . . H151 H -0.2859(37) 0.1723(35) 0.7028(29) 0.070(13) Uiso 1 d . . H152 H -0.3252(42) 0.0548(40) 0.6380(32) 0.098(16) Uiso 1 d . . H161 H -0.0078(34) 0.3025(38) 0.6799(29) 0.068(12) Uiso 1 d . . H162 H 0.0934(37) 0.2425(31) 0.7510(26) 0.060(11) Uiso 1 d . .