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_4027003
_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            'C25 H27 B O'
_chemical_formula_weight         354.28
_chemical_name_systematic
; 
 ? 
;
_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                97.629(1)
_cell_angle_beta                 98.612(1)
_cell_angle_gamma                105.779(1)
_cell_formula_units_Z            2
_cell_length_a                   8.5066(1)
_cell_length_b                   10.9081(1)
_cell_length_c                   12.4869(1)
_cell_measurement_reflns_used    3358
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     1083.96(2)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & 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 0.963
_diffrn_measured_fraction_theta_max 0.963
_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  0.046
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13887
_diffrn_reflns_theta_full        67.49
_diffrn_reflns_theta_max         67.49
_diffrn_reflns_theta_min         3.64
_exptl_absorpt_coefficient_mu    0.482
_exptl_absorpt_correction_T_max  0.9671
_exptl_absorpt_correction_T_min  0.8891
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.085
_exptl_crystal_description       plate
_exptl_crystal_F_000             380
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.195
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0562
_refine_ls_R_factor_gt           0.0478
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0735P)^2^+0.2725P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1280
_refine_ls_wR_factor_ref         0.1377
_reflns_number_gt                3192
_reflns_number_total             3750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202212s_si_001.cif
_cod_data_source_block           wue5339
_cod_database_code               4027003