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_4118995
_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         'C33 H26 B N'
_chemical_formula_sum            'C33 H26 B N'
_chemical_formula_weight         447.36
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.9150(6)
_cell_length_b                   9.9150(6)
_cell_length_c                   25.0921(15)
_cell_measurement_reflns_used    8095
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.80
_cell_measurement_theta_min      2.21
_cell_volume                     2466.7(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      293(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_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  0.0691
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            26171
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5810
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs 2008/1 (Bruker 2008)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_description       plate
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.156
_refine_diff_density_min         -0.138
_refine_diff_density_rms         0.030
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         1543
_refine_ls_number_restraints     88
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0397
_refine_ls_shift/su_max          0.029
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0295P)^2^+0.8095P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0958
_reflns_number_gt                1296
_reflns_number_total             1543
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja309935t_si_001_4.cif
_cod_data_source_block           11
_cod_database_code               4118995