#------------------------------------------------------------------------------ #$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/21/2102168.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_2102168 _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _[local]_cod_cif_authors_sg_H-M 'C 2/m' loop_ _publ_author_name 'Chohan, Zahid H.' 'Harrison, William T. A.' 'Howie, R. Alan' 'Milne, Bruce F.' 'Wardell, James L.' _publ_section_title ; Crystallographic and molecular mechanics investigation of an order--disorder transition and dimorphism in 5H,10H-dithiolo[2,3-b]-2,5-benzodithiocine-2-thione ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 1011 _journal_page_last 1017 _journal_volume 56 _journal_year 2000 _chemical_formula_moiety 'C11 H8 S5' _chemical_formula_sum 'C11 H8 S5' _chemical_formula_weight 300.47 _chemical_melting_point 479 _chemical_name_systematic ; 5H,10H-Dithiolo[2,3-b][2,5]benzodithiocine-2-thione (C-centred monoclinic form) ; _symmetry_cell_setting monoclinic _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 102.80(5) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 12.075(8) _cell_length_b 11.825(8) _cell_length_c 9.063(6) _cell_measurement_reflns_used 14 _cell_measurement_temperature 298(2) _cell_measurement_theta_max 12.9 _cell_measurement_theta_min 10.8 _cell_volume 1261.9(15) _computing_cell_refinement 'Nicolet P3 software (Nicolet, 1980)' _computing_data_collection 'Nicolet P3 software (Nicolet, 1980)' _computing_data_reduction 'RDNIC (Howie, 1980)' _computing_molecular_graphics 'ORTEX (McArdle, 1994)' _computing_publication_material 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 298(2) _diffrn_measured_fraction_theta_full 0.498 _diffrn_measured_fraction_theta_max 0.498 _diffrn_measurement_device_type 'Nicolet P3' _diffrn_measurement_method \q--2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'normal-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0238 _diffrn_reflns_av_sigmaI/netI 0.0468 _diffrn_reflns_limit_h_max 16 _diffrn_reflns_limit_h_min -16 _diffrn_reflns_limit_k_max 0 _diffrn_reflns_limit_k_min -16 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 2034 _diffrn_reflns_theta_full 30.09 _diffrn_reflns_theta_max 30.09 _diffrn_reflns_theta_min 2.30 _diffrn_standards_decay_% 0.0 _diffrn_standards_interval_count 50 _diffrn_standards_number 2 _exptl_absorpt_coefficient_mu 0.885 _exptl_absorpt_correction_T_max 0.719 _exptl_absorpt_correction_T_min 0.619 _exptl_absorpt_correction_type \y _exptl_crystal_colour 'pale brown' _exptl_crystal_density_diffrn 1.582 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 616 _exptl_crystal_size_max 0.60 _exptl_crystal_size_mid 0.46 _exptl_crystal_size_min 0.40 _refine_diff_density_max 0.92 _refine_diff_density_min -0.95 _refine_diff_density_rms 0.097 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.053 _refine_ls_hydrogen_treatment refU _refine_ls_matrix_type full _refine_ls_number_parameters 78 _refine_ls_number_reflns 1932 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.053 _refine_ls_R_factor_all 0.1370 _refine_ls_R_factor_gt 0.0862 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_scheme 'calc w=1/[\s^2^(Fo^2^)+(0.0535P)^2^+8.1837P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_wR_factor_gt 0.1847 _refine_ls_wR_factor_ref 0.2153 _reflns_number_gt 1166 _reflns_number_total 1932 _reflns_threshold_expression >2sigma(I) _[local]_cod_data_source_file bm0027.cif loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 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_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_calc_flag _atom_site_refinement_flags S1 S 0.3778(2) 0.0000 0.3365(3) 0.147(2) Uani 1 d S S2 S 0.34509(12) 0.12081(14) 0.04410(17) 0.0728(5) Uani 1 d . S3 S 0.32964(15) 0.1438(2) -0.2844(2) 0.1171(10) Uani 1 d . C1 C 0.3580(6) 0.0000 0.1521(8) 0.076(3) Uani 1 d S C2 C 0.3363(3) 0.0564(4) -0.1288(5) 0.0438(10) Uani 1 d . C3 C 0.1916(4) 0.1264(5) -0.3999(6) 0.0654(15) Uani 1 d . H3A H 0.1592 0.2008 -0.4259 0.12(2) Uiso 1 calc R H3B H 0.1987 0.0901 -0.4933 0.12(2) Uiso 1 calc R C4 C 0.1097(3) 0.0589(4) -0.3320(5) 0.0430(10) Uani 1 d . C5 C 0.0330(4) 0.1159(4) -0.2676(6) 0.0541(12) Uani 1 d . H5 H 0.0330 0.1946 -0.2675 0.074(13) Uiso 1 calc R C6 C -0.0439(4) 0.0585(5) -0.2031(6) 0.0669(15) Uani 1 d . H6 H -0.0953 0.0982 -0.1600 0.074(13) Uiso 1 calc R 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 0.0658(15) 0.340(6) 0.0355(10) 0.000 0.0101(10) 0.000 S2 0.0597(8) 0.0762(10) 0.0714(9) -0.0334(8) -0.0094(6) 0.0100(7) S3 0.0766(11) 0.148(2) 0.1040(14) 0.0790(14) -0.0280(9) -0.0657(12) C1 0.030(3) 0.153(9) 0.043(4) 0.000 0.002(3) 0.000 C2 0.036(2) 0.051(2) 0.043(2) 0.006(2) 0.0052(16) -0.0041(18) C3 0.059(3) 0.079(4) 0.054(3) 0.018(3) 0.003(2) -0.013(3) C4 0.037(2) 0.051(2) 0.0369(19) 0.0057(18) -0.0012(16) 0.0004(18) C5 0.045(2) 0.047(3) 0.063(3) -0.004(2) -0.002(2) 0.008(2) C6 0.043(3) 0.087(4) 0.069(3) -0.012(3) 0.010(2) 0.011(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 S1 C1 1.635(8) . yes S2 C1 1.719(4) . yes S2 C2 1.724(5) . yes S3 C2 1.735(5) . yes S3 C3 1.773(5) . yes C1 S2 1.719(4) 2 yes C2 C2 1.334(9) 2 yes C3 C4 1.506(7) . yes C4 C5 1.376(6) . yes C4 C4 1.392(9) 2 yes C5 C6 1.380(7) . yes C6 C6 1.384(12) 2 yes loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C1 S2 C2 97.5(3) . . yes C2 S3 C3 106.2(2) . . yes S1 C1 S2 123.8(2) . 2 yes S1 C1 S2 123.8(2) . . yes S2 C1 S2 112.4(4) 2 . yes C2 C2 S2 116.20(16) 2 . yes C2 C2 S3 126.55(18) 2 . yes S2 C2 S3 117.2(3) . . yes C4 C3 S3 115.9(3) . . yes C5 C4 C4 119.4(3) . 2 yes C5 C4 C3 118.6(5) . . yes C4 C4 C3 122.1(3) 2 . yes C4 C5 C6 121.2(5) . . yes C5 C6 C6 119.5(3) . 2 yes loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 C2 S2 C1 S1 176.4(4) . . . C2 S2 C1 S2 -4.8(4) . . 2 C1 S2 C2 C2 3.0(3) . . 2 C1 S2 C2 S3 -176.4(3) . . . C3 S3 C2 C2 68.6(3) . . 2 C3 S3 C2 S2 -112.1(3) . . . C2 S3 C3 C4 8.7(5) . . . S3 C3 C4 C5 98.5(5) . . . S3 C3 C4 C4 -81.2(4) . . 2 C4 C4 C5 C6 0.0(5) 2 . . C3 C4 C5 C6 -179.8(4) . . . C4 C5 C6 C6 0.0(5) . . 2 S2 C2 C2 S2 0.0 . 2 2 S2 C2 C2 S3 -179.4(3) . 2 2 C3 C4 C4 C3 0.0 . 2 2 C3 C4 C4 C5 179.7(5) . 2 2 C5 C6 C6 C5 0.0 . 2 2 _cod_database_code 2102168