Investigation of the Lewis acidic behaviour of an oxygen-bridged planarized triphenylborane toward amines and the properties of their Lewis acid-base adducts.
Kitamoto, Yuichi; Kobayashi, Fumiaki; Suzuki, Takatsugu; Miyata, Yasuo; Kita, Hiroshi; Funaki, Kenji; Oi, Shuichi; Dalton transactions (Cambridge, England : 2003) 48 (2019) 2118–2127; doi:10.1039/c8dt00128f

data_7048571
_publ_section_title
;
 Investigation of the Lewis acidic behaviour of an oxygen-bridged
 planarized triphenylborane toward amines and the properties of their
 Lewis acid-base adducts.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2118
_journal_page_last               2127
_journal_paper_doi               10.1039/c8dt00128f
_journal_volume                  48
_journal_year                    2019
_chemical_formula_sum            'C50 H38 B2 N4 O6'
_chemical_formula_weight         812.46
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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
_audit_update_record
;
2017-03-22 deposited with the CCDC.
2019-01-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 107.4270(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.9464(15)
_cell_length_b                   14.1675(14)
_cell_length_c                   19.4407(19)
_cell_measurement_reflns_used    7033
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.76
_cell_measurement_theta_min      2.62
_cell_volume                     3927.7(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker APEXII'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_publication_material  'Yadokari-XG 2009 (Wakita,Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Bruker Helios multilayered confocal mirror'
_diffrn_radiation_source         'Bruker TXS fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0381
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            22063
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6401
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS Sheldrick 1996'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.355
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.980
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     601
_refine_ls_number_reflns         8878
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.0600
_refine_ls_R_factor_gt           0.0413
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1226
_refine_ls_wR_factor_ref         0.1400
_reflns_number_gt                6851
_reflns_number_total             8878
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8dt00128f2.cif
_cod_data_source_block           kitamoto20160706
_cod_depositor_comments
'Adding full bibliography for 7048570--7048572.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7048571