Selective Oxidation of an Active Intramolecular Amine/Borane Frustrated Lewis Pair with Dioxygen.
Wang, Tongdao; Kehr, Gerald; Liu, Lei; Grimme, Stefan; Daniliuc, Constantin G.; Erker, Gerhard; Journal of the American Chemical Society 138 (2016) 4302–4305; doi:10.1021/jacs.6b00325

data_4125066
_publ_section_title
;
 Selective Oxidation of an Active Intramolecular Amine/Borane Frustrated
 Lewis Pair with Dioxygen.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4302
_journal_page_last               4305
_journal_paper_doi               10.1021/jacs.6b00325
_journal_volume                  138
_journal_year                    2016
_chemical_formula_sum            'C36 H25 B2 F20 N'
_chemical_formula_weight         873.19
_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                 99.3700(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3941(4)
_cell_length_b                   19.3768(6)
_cell_length_c                   17.7912(7)
_cell_measurement_reflns_used    9168
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      4.08
_cell_volume                     4215.7(3)
_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 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Montel mirror'
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.057
_diffrn_reflns_av_sigmaI/netI    0.0449
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            27074
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         4.10
_exptl_absorpt_coefficient_mu    0.142
_exptl_absorpt_correction_T_max  0.9860
_exptl_absorpt_correction_T_min  0.9818
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1752
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.369
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     644
_refine_ls_number_reflns         7362
_refine_ls_number_restraints     308
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.1237
_refine_ls_R_factor_gt           0.0891
_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^)+(0.0899P)^2^+9.7534P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2212
_refine_ls_wR_factor_ref         0.2379
_reflns_number_gt                5128
_reflns_number_total             7362
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja6b00325_si_002.cif
_cod_data_source_block           erk8128
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4125066