Selenium-Substituted β-Methylthiobenzo[1,2-b:4,5-b′]dithiophenes: Synthesis, Packing Structure, and Transport Properties
Takenaka, Hiroyuki; Ogaki, Takuya; Wang, Chengyuan; Kawabata, Kohsuke; Takimiya, Kazuo; Chemistry of Materials 31 (2019) 6696–; doi:10.1021/acs.chemmater.9b01187

data_4002969
_publ_section_title
;
 Selenium-Substituted \b-Methylthiobenzo[1,2-b:4,5-b&#x2032;]dithiophenes:
 Synthesis, Packing Structure, and Transport Properties
;
_journal_issue                   17
_journal_name_full               'Chemistry of Materials'
_journal_page_first              6696
_journal_paper_doi               10.1021/acs.chemmater.9b01187
_journal_volume                  31
_journal_year                    2019
_chemical_formula_moiety         'C12 H10 S2 Se2'
_chemical_formula_sum            'C12 H10 S2 Se2'
_chemical_formula_weight         376.25
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   14.5203(4)
_cell_length_b                   5.27442(15)
_cell_length_c                   15.8554(4)
_cell_measurement_reflns_used    12403
_cell_measurement_temperature    100
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      3.04
_cell_volume                     1214.30(6)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2.5'
_computing_publication_material  'CrystalStructure 4.2.5 (Rigaku, 2017)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2011 (Burla, et al., 2012)'
_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  0.1495
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            17338
_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         68.254
_diffrn_reflns_theta_min         5.581
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    10.540
_exptl_absorpt_correction_T_max  0.729
_exptl_absorpt_correction_T_min  0.456
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.058
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             728.00
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.94
_refine_diff_density_min         -1.92
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     74
_refine_ls_number_reflns         1113
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0586
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0947P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1527
_refine_ls_wR_factor_ref         0.1605
_reflns_Friedel_coverage         0.000
_reflns_number_gt                855
_reflns_number_total             1113
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            cm9b01187_si_003.cif
_cod_data_source_block           beta-MT-BDS
_cod_database_code               4002969
_shelx_res_checksum              32072
_shelx_hkl_checksum              89888