Preparation, Properties, and Structures of the Radical Anions and Dianions of Azapentacenes.
Ji, Lei; Friedrich, Alexandra; Krummenacher, Ivo; Eichhorn, Antonius; Braunschweig, Holger; Moos, Michael; Hahn, Sebastian; Geyer, Florian L.; Tverskoy, Olena; Han, Jie; Lambert, Christoph; Dreuw, Andreas; Marder, Todd B.; Bunz, Uwe H. F.; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b09460

data_4126654
_publ_section_title
;
 Preparation, Properties, and Structures of the Radical Anions and
 Dianions of Azapentacenes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b09460
_journal_year                    2017
_chemical_formula_moiety         'C42 H52 N2 Si2, C20 H40 K O8, 2(C4 H8 O)'
_chemical_formula_sum            'C70 H108 K N2 O10 Si2'
_chemical_formula_weight         1232.86
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-07-27
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                79.07(3)
_cell_angle_beta                 76.04(2)
_cell_angle_gamma                64.377(17)
_cell_formula_units_Z            1
_cell_length_a                   11.360(7)
_cell_length_b                   12.649(8)
_cell_length_c                   14.052(9)
_cell_measurement_reflns_used    9970
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.75
_cell_measurement_theta_min      2.22
_cell_volume                     1758.4(19)
_computing_cell_refinement       'Saint+ ver. V8.34A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2014.9 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. V8.34A (Bruker AXS)'
_computing_molecular_graphics    'ShelXLe (Huebschle et all, 2011)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector (Apex2)'
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker X8-APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0321
_diffrn_reflns_av_unetI/netI     0.0336
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            28541
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.022
_diffrn_reflns_theta_min         2.088
_diffrn_source                   'rotating-anode (Nonius FR-591)'
_exptl_absorpt_coefficient_mu    0.165
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6733
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SadAbs 2014/5 (Bruker AXS)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_description       block
_exptl_crystal_F_000             669
_exptl_crystal_recrystallization_method
'recrystallised from tetrahydrofurane by evaporation'
_exptl_crystal_size_max          0.453
_exptl_crystal_size_mid          0.364
_exptl_crystal_size_min          0.168
_refine_diff_density_max         0.385
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         6927
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0550
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0408P)^2^+0.7851P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0879
_refine_ls_wR_factor_ref         0.0966
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5419
_reflns_number_total             6927
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b09460_si_001.cif
_cod_data_source_block           cmpd_2K1
_cod_original_cell_volume        1759(2)
_cod_database_code               4126654
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.929
_shelx_estimated_absorpt_t_max   0.973
_shelx_res_checksum              98938
_shelx_hkl_checksum              74097