Synthesis and Characterization of Electron-Deficient Asymmetrically Substituted Diarylindenotetracenes.
Purvis, Lafe J.; Gu, Xingxian; Ghosh, Soumen; Zhang, Zhuoran; Cramer, Christopher J.; Douglas, Christopher J.; The Journal of organic chemistry 83 (2018) 1828–1841; doi:10.1021/acs.joc.7b02756

data_4034988
_publ_section_title
;
 Synthesis and Characterization of Electron-Deficient Asymmetrically
 Substituted Diarylindenotetracenes.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1828
_journal_page_last               1841
_journal_paper_doi               10.1021/acs.joc.7b02756
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         C36H20F2
_chemical_formula_sum            'C36 H20 F2'
_chemical_formula_weight         490.52
_chemical_melting_point          Decomp
_chemical_name_common            DiFMonoPhIndenotetracene
_chemical_name_systematic
2-fluoro-9-(4-fluorophenyl)-10-phenylindeno[1,2,3-fg]tetracene
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 111.70
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.943
_cell_length_b                   20.012
_cell_length_c                   7.763
_cell_measurement_reflns_used    2326
_cell_measurement_temperature    122(2)
_cell_measurement_theta_max      74.715
_cell_measurement_theta_min      2.831
_cell_volume                     2301.271
_computing_cell_refinement       'Saint, Bruker'
_computing_data_collection       'APEXII, Bruker'
_computing_data_reduction        'Saint, Bruker'
_computing_molecular_graphics    'SHELXTL, Bruker'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      122(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker Photon CCD'
_diffrn_measurement_method       'area detector, omega scnas per phi'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0262
_diffrn_reflns_av_unetI/netI     0.0196
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            14083
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         74.715
_diffrn_reflns_theta_min         4.419
_diffrn_source                   'normal-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.738
_exptl_absorpt_correction_T_max  0.7538
_exptl_absorpt_correction_T_min  0.6925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing, 1995'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangle
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.100
_exptl_transmission_factor_max   0.7538
_exptl_transmission_factor_min   0.6925
_refine_diff_density_max         0.235
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         2326
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0420
_refine_ls_R_factor_gt           0.0395
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0587P)^2^+1.3885P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1080
_refine_ls_wR_factor_ref         0.1110
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2151
_reflns_number_total             2326
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b02756_si_002.cif
_cod_data_source_block           15242_0m-auto_cmpd_8c
_cod_original_cell_volume        2301.4
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4034988
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.666
_shelx_estimated_absorpt_t_max   0.930
_shelx_res_checksum              22871
_shelx_hkl_checksum              44072