Bis(methylthio)tetracenes: Synthesis, Crystal-Packing Structures, and OFET Properties
Takakazu Kimoto; Kenro Tanaka; Masatoshi Kawahata; Kentaro Yamaguchi; Saika Otsubo; Yoshimasa Sakai; Yuuki Ono; Akira Ohno; Kenji Kobayashi; Journal of Organic Chemistry 76 (2011) 5018–5025; doi:10.1021/jo200696a

data_4026390
_publ_section_title
;
 Bis(methylthio)tetracenes: Synthesis, Crystal-Packing Structures, and
 OFET Properties
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5018
_journal_page_last               5025
_journal_paper_doi               10.1021/jo200696a
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C20 H16 S2'
_chemical_formula_sum            'C20 H16 S2'
_chemical_formula_weight         320.45
_chemical_name_systematic
; 
5,12-bis(methylthio)tetracene 
;
_space_group_IT_number           15
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.344(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.461(7)
_cell_length_b                   5.0778(12)
_cell_length_c                   20.983(5)
_cell_measurement_reflns_used    1555
_cell_measurement_temperature    90
_cell_measurement_theta_max      26.69
_cell_measurement_theta_min      2.26
_cell_volume                     3000.3(12)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD area detector'
_diffrn_measurement_method       '\f and \w 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  0.0490
_diffrn_reflns_av_sigmaI/netI    0.0730
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -3
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            8629
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         1.45
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.348
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_description       needle
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.592
_refine_diff_density_min         -0.392
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3569
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0764
_refine_ls_R_factor_gt           0.0477
_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^)+(0.0587P)^2^+4.0130P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1109
_refine_ls_wR_factor_ref         0.1318
_reflns_number_gt                2507
_reflns_number_total             3569
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo200696a_si_002.cif
_cod_data_source_block           TK-1-163
_cod_database_code               4026390