Benzo[1,2-b:6,5-b']dithiophene(dithiazole)-4,5-dione derivatives: synthesis, electronic properties, crystal packing and charge transport
Yulia A. Getmanenko; Marina Fonari; Chad Risko; Bhupinder Sandhu; Elena Galan; Lingyun Zhu; Paul Tongwa; Do Kyung Hwang; Sanjeev Singh; He Wang; Shree Prakash Tiwari; Yueh-Lin Loo; Jean-Luc Bredas; Bernard Kippelen; Tatiana Timofeeva; Seth R. Marder; Journal of Materials Chemistry C 1 (2013) 1467–1481; doi:10.1039/C2TC00805J

data_7233158
_publ_section_title
;
 Benzo[1,2-b:6,5-b']dithiophene(dithiazole)-4,5-dione derivatives:
 synthesis, electronic properties, crystal packing and charge transport
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              1467
_journal_page_last               1481
_journal_paper_doi               10.1039/C2TC00805J
_journal_volume                  1
_journal_year                    2013
_chemical_formula_moiety         'C10 H2 Br2 O2 S2'
_chemical_formula_sum            'C10 H2 Br2 O2 S2'
_chemical_formula_weight         378.06
_chemical_name_common
;
2,7-Dibromo-benzo[1,2-b:6,5-b']dithiophene-4,5-dione
;
_chemical_name_systematic
;
2,7-Dibromo-benzo[1,2-b:6,5-b']dithiophene-4,5-dione
;
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 104.2490(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.6810(17)
_cell_length_b                   5.6778(5)
_cell_length_c                   17.7679(14)
_cell_measurement_temperature    100(2)
_cell_volume                     2119.9(3)
_computing_cell_refinement       'SAINT+ ver. 6.2 (Bruker, 2001)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT+ ver. 6.2 (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL ver. 6.12 (Sheldrick, 2001)'
_computing_publication_material  'SHELXTL ver. 6.12 (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0379
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            22522
_diffrn_reflns_theta_full        34.46
_diffrn_reflns_theta_max         34.46
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    8.017
_exptl_absorpt_correction_T_max  0.5011
_exptl_absorpt_correction_T_min  0.1417
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.369
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.850
_refine_diff_density_min         -0.539
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         4430
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0272
_refine_ls_R_factor_gt           0.0221
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0262P)^2^+2.2482P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0537
_refine_ls_wR_factor_ref         0.0559
_reflns_number_gt                3958
_reflns_number_total             4430
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1000015.cif
_cod_data_source_block           PCOD1000015
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the built-in table derived from the
CIF Core dictionary named 'cif_core.dic' version 2.4.5 last updated
on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_Hall     -C2yc
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7233158