Synthesis and Photophysical Properties of Aryl-Substituted 2-Borylbenzaldimines and Their Extended π-Conjugated Congeners
Benedikt Neue; Roland Fröhlich; Birgit Wibbeling; Aiko Fukazawa; Atsushi Wakamiya; Shigehiro Yamaguchi; Ernst-Ulrich Würthwein; Journal of Organic Chemistry 77 (2012) 2176–2184; doi:10.1021/jo202212s

data_4027004
_publ_section_title
;
 Synthesis and Photophysical Properties of Aryl-Substituted
 2-Borylbenzaldimines and Their Extended \p-Conjugated Congeners
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2176
_journal_page_last               2184
_journal_paper_doi               10.1021/jo202212s
_journal_volume                  77
_journal_year                    2012
_chemical_formula_sum            'C31 H32 B N'
_chemical_formula_weight         429.39
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.203(2)
_cell_angle_beta                 70.754(2)
_cell_angle_gamma                88.570(2)
_cell_formula_units_Z            8
_cell_length_a                   17.0358(4)
_cell_length_b                   17.6527(5)
_cell_length_c                   18.1968(6)
_cell_measurement_reflns_used    15852
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     4958.7(3)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowksi & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.066
_diffrn_reflns_av_sigmaI/netI    0.0360
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            73648
_diffrn_reflns_theta_full        67.74
_diffrn_reflns_theta_max         67.74
_diffrn_reflns_theta_min         3.66
_exptl_absorpt_coefficient_mu    0.488
_exptl_absorpt_correction_T_max  0.9305
_exptl_absorpt_correction_T_min  0.8479
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.150
_exptl_crystal_description       block
_exptl_crystal_F_000             1840
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.144
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1213
_refine_ls_number_reflns         17300
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0757
_refine_ls_R_factor_gt           0.0549
_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^)+(0.0653P)^2^+1.9127P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1368
_refine_ls_wR_factor_ref         0.1516
_reflns_number_gt                13075
_reflns_number_total             17300
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202212s_si_002.cif
_cod_data_source_block           wue5346
_cod_original_cell_volume        4958.7(2)
_cod_database_code               4027004