Design of indigo derivatives as environment-friendly organic semiconductors for sustainable organic electronics
I. V. Klimovich; L. I. Leshanskaya; S. I. Troyanov; D. V. Anokhin; D. V. Novikov; A. A. Piryazev; D. A. Ivanov; N. N. Dremova; P. A. Troshin; Journal of Materials Chemistry C 2 (2014) 7621–7631; doi:10.1039/C4TC00550C

data_7233835
_publ_section_title
;
 Design of indigo derivatives as environment-friendly organic
 semiconductors for sustainable organic electronics
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              7621
_journal_page_last               7631
_journal_paper_doi               10.1039/C4TC00550C
_journal_volume                  2
_journal_year                    2014
_chemical_formula_sum            'C16 H8 F2 N2 O2'
_chemical_formula_weight         298.24
_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_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 94.350(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.2490(10)
_cell_length_b                   6.0281(7)
_cell_length_c                   12.2840(10)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      35
_cell_measurement_theta_min      5
_cell_volume                     609.07(11)
_computing_cell_refinement       XDS
_computing_data_collection       XDS
_computing_data_reduction        XDS
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.836
_diffrn_measurement_device_type  MAR225
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  Si(111)
_diffrn_radiation_source         'BL 14.2, PSF, BESSY, Berlin, Germany'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.84344
_diffrn_reflns_av_R_equivalents  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9551
_diffrn_reflns_theta_full        30.10
_diffrn_reflns_theta_max         36.59
_diffrn_reflns_theta_min         4.47
_exptl_absorpt_coefficient_mu    0.195
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.626
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             304
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.415
_refine_diff_density_min         -0.380
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       0.84(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     117
_refine_ls_number_reflns         1511
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0539
_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^)+(0.0600P)^2^+0.6000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1358
_refine_ls_wR_factor_ref         0.1396
_reflns_number_gt                1346
_reflns_number_total             1511
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1000003.cif
_cod_data_source_block           PCOD1000003
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7233835