Synthesis, Photophysical, and Electrochemical Properties of Pyrenes Substituted with Donors or Acceptors at the 4- or 4,9-Positions.
Ji, Lei; Krummenacher, Ivo; Friedrich, Alexandra; Lorbach, Andreas; Haehnel, Martin; Edkins, Katharina; Braunschweig, Holger; Marder, Todd B.; The Journal of organic chemistry 83 (2018) 3599–3606; doi:10.1021/acs.joc.7b03227

data_4035475
_publ_section_title
;
 Synthesis, Photophysical, and Electrochemical Properties of Pyrenes
 Substituted with Donors or Acceptors at the 4- or 4,9-Positions.
;
_journal_issue                   7
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              3599
_journal_page_last               3606
_journal_paper_doi               10.1021/acs.joc.7b03227
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C52 H52 B2, 2(C7 H8)'
_chemical_formula_sum            'C66 H68 B2'
_chemical_formula_weight         882.82
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-12-19
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 99.88(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.962(3)
_cell_length_b                   8.1050(16)
_cell_length_c                   23.041(10)
_cell_measurement_reflns_used    6402
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.67
_cell_volume                     2568.7(14)
_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  'multi-layer mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0251
_diffrn_reflns_av_unetI/netI     0.0265
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            17648
_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         26.020
_diffrn_reflns_theta_min         1.794
_diffrn_source                   'rotating-anode (Nonius FR-591)'
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6919
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SadAbs 2014/5 (Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.141
_exptl_crystal_description       block
_exptl_crystal_F_000             948
_exptl_crystal_size_max          0.333
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.144
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.195
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         5043
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.0662
_refine_ls_R_factor_gt           0.0520
_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^)+(0.0360P)^2^+1.5459P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1184
_refine_ls_wR_factor_ref         0.1246
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4080
_reflns_number_total             5043
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b03227_si_003.cif
_cod_data_source_block           cmpd_3
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4035475
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.979
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              15229
_shelx_hkl_checksum              57034