High performance ambipolar organic field-effect transistors based on indigo derivatives
Oratai Pitayatanakul; Toshiki Higashino; Tomofumi Kadoya; Masaki Tanaka; Hirotaka Kojima; Minoru Ashizawa; Tadashi Kawamoto; Hidetoshi Matsumoto; Ken Ishikawa; Takehiko Mori; Journal of Materials Chemistry C 2 (2014) 9311–9317; doi:10.1039/C4TC01563K

data_7233903
_publ_section_title
;
 High performance ambipolar organic field-effect transistors based on
 indigo derivatives
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              9311
_journal_page_last               9317
_journal_paper_doi               10.1039/C4TC01563K
_journal_volume                  2
_journal_year                    2014
_chemical_formula_moiety         'C28 H18 N2 O2'
_chemical_formula_sum            'C28 H18 N2 O2'
_chemical_formula_weight         414.46
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 92.739(2)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   21.2805(6)
_cell_length_b                   7.0108(2)
_cell_length_c                   6.5404(2)
_cell_measurement_reflns_used    6056
_cell_measurement_temperature    296
_cell_measurement_theta_max      68.03
_cell_measurement_theta_min      4.16
_cell_volume                     974.67(5)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'Il Milione (Burla, et al., 2007)'
_diffrn_ambient_temperature      296
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.1548
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            10512
_diffrn_reflns_theta_full        68.18
_diffrn_reflns_theta_max         68.15
_diffrn_standards_interval_count .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.716
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.562
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.412
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       unknown
_exptl_crystal_F_000             432.00
_exptl_crystal_size_max          0.255
_exptl_crystal_size_mid          0.174
_exptl_crystal_size_min          0.024
_refine_diff_density_max         0.430
_refine_diff_density_min         -0.270
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.956
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1777
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0692
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1020P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.2044
_reflns_number_gt                1020
_reflns_number_total             1777
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            1000002.cif
_cod_data_source_block           PCOD1000002
_cod_database_code               7233903