Thiacycle-fused benzo[1,2-b:4,5-b′]dithiophenes (BDTs): synthesis, packing, molecular orientation and semiconducting properties
Wang, Chengyuan; Nakamura, Hiroshi; Sugino, Hiroyoshi; Takimiya, Kazuo; Journal of Materials Chemistry C 6 (2018) 3604–; doi:10.1039/C7TC05317G

data_7237036
_publ_section_title
;
 Thiacycle-fused benzo[1,2-b:4,5-b&#x2032;]dithiophenes (BDTs): synthesis,
 packing, molecular orientation and semiconducting properties
;
_journal_issue                   14
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              3604
_journal_paper_doi               10.1039/C7TC05317G
_journal_volume                  6
_journal_year                    2018
_chemical_formula_moiety         'C12 H6 S6'
_chemical_formula_sum            'C12 H6 S6'
_chemical_formula_weight         342.54
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2017-11-20 deposited with the CCDC.
2017-12-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 95.8008(12)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   4.03205(8)
_cell_length_b                   21.1574(4)
_cell_length_c                   7.31181(13)
_cell_measurement_reflns_used    7735
_cell_measurement_temperature    100
_cell_measurement_theta_max      68.14
_cell_measurement_theta_min      4.18
_cell_volume                     620.56(2)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL Version 2014/7 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.1039
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            10765
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.687
_diffrn_reflns_theta_max         68.225
_diffrn_reflns_theta_min         4.179
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.953
_exptl_absorpt_correction_T_max  0.370
_exptl_absorpt_correction_T_min  0.246
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.833
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             348.00
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.66
_refine_diff_density_min         -0.48
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.197
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     82
_refine_ls_number_reflns         1134
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0709
_refine_ls_R_factor_gt           0.0531
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0214P)^2^+2.5725P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1096
_refine_ls_wR_factor_ref         0.1343
_reflns_Friedel_coverage         0.000
_reflns_number_gt                891
_reflns_number_total             1134
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c7tc05317g2.cif
_cod_data_source_block           170316-MDT-BDT
_cod_database_code               7237036
_shelx_res_checksum              43878