Alkene insertion reactivity of a o-carboranyl-substituted 9-borafluorene
Bischof, Tobias; Guo, Xueying; Krummenacher, Ivo; Beßler, Lukas; Lin, Zhenyang; Finze, Maik; Braunschweig, Holger; Chemical Science  (2022) –; doi:10.1039/D2SC02750J

data_1567054
_publ_section_title
;
 Alkene insertion reactivity of a o-carboranyl-substituted 9-borafluorene
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC02750J
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C23 H28 B11 Br'
_chemical_formula_sum            'C23 H28 B11 Br'
_chemical_formula_weight         503.27
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-05-12 deposited with the CCDC.	2022-06-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.93950(10)
_cell_length_b                   9.82380(10)
_cell_length_c                   29.8355(3)
_cell_measurement_reflns_used    13077
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      78.7750
_cell_measurement_theta_min      2.9750
_cell_volume                     2620.15(5)
_computing_cell_refinement       'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_molecular_graphics    'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_publication_material  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0534
_diffrn_reflns_av_unetI/netI     0.0493
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            18877
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        72.000
_diffrn_reflns_theta_max         72.122
_diffrn_reflns_theta_min         2.962
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    2.190
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.576
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_description       plate
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.310
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.973
_refine_diff_density_min         -0.400
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.34(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         5155
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0376
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0405P)^2^+1.5101P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0891
_refine_ls_wR_factor_ref         0.0899
_reflns_Friedel_coverage         0.747
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                4989
_reflns_number_total             5155
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc02750j2.cif
_cod_data_source_block           5
_cod_database_code               1567054
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.550
_shelx_estimated_absorpt_t_max   0.898
_shelx_res_checksum              31260
_shelx_hkl_checksum              62203