1-Heteroaromatic-Substituted Tetraphenylboroles: π-π Interactions Between Aromatic and Antiaromatic Rings Through a B-C Bond
Holger Braunschweig; Alexander Damme; J. Oscar C. Jimenez-Halla; Christian Hörl; Ivo Krummenacher; Thomas Kupfer; Lisa Mailänder; Krzysztof Radacki; Journal of the American Chemical Society 134 (2012) 20169–20177; doi:10.1021/ja309935t

data_4118996
_publ_section_title
;
 1-Heteroaromatic-Substituted Tetraphenylboroles: \p-\p Interactions
 Between Aromatic and Antiaromatic Rings Through a B-C Bond
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              20169
_journal_page_last               20177
_journal_paper_doi               10.1021/ja309935t
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C40 H36 B N3, C6 H6'
_chemical_formula_sum            'C46 H42 B N3'
_chemical_formula_weight         647.64
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.599(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.177(6)
_cell_length_b                   22.427(12)
_cell_length_c                   13.406(7)
_cell_measurement_temperature    100(2)
_cell_volume                     3654(3)
_computing_cell_refinement       'Saint+ ver. 7.68A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2010.3 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. 7.68A (Bruker AXS)'
_computing_molecular_graphics    'XP ver. 5.1 (Bruker AXS, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker X8-APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0718
_diffrn_reflns_av_sigmaI/netI    0.0506
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            82341
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6868
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs 2008/1 (Bruker 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_description       block
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     485
_refine_ls_number_reflns         7457
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0899
_refine_ls_R_factor_gt           0.0462
_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^)+(0.0404P)^2^+1.3587P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0952
_refine_ls_wR_factor_ref         0.1112
_reflns_number_gt                4888
_reflns_number_total             7457
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja309935t_si_001_5.cif
_cod_data_source_block           12
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4118996