Facile Synthesis of 2,6-Disubstituted Benzobisthiazoles: Functional Monomers for the Design of Organic Semiconductors
Jared F. Mike; Jeremy J. Inteman; Arkady Ellern; Malika Jeffries-EL; Journal of Organic Chemistry 75 (2010) 495–497; doi:10.1021/jo9023864

data_4025173
_publ_section_title
;
 Facile Synthesis of 2,6-Disubstituted Benzobisthiazoles: Functional
 Monomers for the Design of Organic Semiconductors
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              495
_journal_page_last               497
_journal_paper_doi               10.1021/jo9023864
_journal_volume                  75
_journal_year                    2010
_chemical_formula_sum            'C8 H4 N2 S2'
_chemical_formula_weight         192.25
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'APEX2 v2009.7-0'
_cell_angle_alpha                90
_cell_angle_beta                 92.310(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.8605(15)
_cell_length_b                   16.025(6)
_cell_length_c                   6.053(2)
_cell_measurement_temperature    153.(2)
_cell_volume                     374.2(2)
_computing_cell_refinement       'SAINT V7.66A (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 Suite (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT V7.66A (Bruker AXS, 2009)'
_computing_molecular_graphics    'XSHELL (Bruker AXS, 2007)'
_computing_publication_material  'APEX2 Suite (Bruker AXS, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      153.(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'BRUKER APEX2 CCD Diffractometer'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            4166
_diffrn_reflns_theta_full        30.42
_diffrn_reflns_theta_max         30.42
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    0.640
_exptl_absorpt_correction_T_max  0.95
_exptl_absorpt_correction_T_min  0.27
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.706
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             196
_exptl_crystal_size_max          2.80
_exptl_crystal_size_mid          1.30
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.422
_refine_diff_density_min         -0.760
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     55
_refine_ls_number_reflns         1129
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0409
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0573P)^2^+0.2992P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1010
_refine_ls_wR_factor_ref         0.1097
_reflns_number_gt                919
_reflns_number_total             1129
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo9023864_si_002.cif
_cod_data_source_block           I
_cod_database_code               4025173