Borole formation by 1,1-carboboration.
Ge, Fang; Kehr, Gerald; Daniliuc, Constantin G.; Erker, Gerhard; Journal of the American Chemical Society 136 (2014) 68–71; doi:10.1021/ja4110396

data_4120677
_publ_section_title
;
 Borole formation by 1,1-carboboration.
;
_journal_issue                   1
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              68
_journal_page_last               71
_journal_paper_doi               10.1021/ja4110396
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C40 H33 B2 F15 Si2'
_chemical_formula_weight         876.46
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                108.563(2)
_cell_angle_beta                 96.887(2)
_cell_angle_gamma                98.819(2)
_cell_formula_units_Z            2
_cell_length_a                   11.6645(4)
_cell_length_b                   12.2645(5)
_cell_length_c                   18.5329(7)
_cell_measurement_reflns_used    7756
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     2443.04(16)
_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 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.054
_diffrn_reflns_av_sigmaI/netI    0.0320
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            32529
_diffrn_reflns_theta_full        67.18
_diffrn_reflns_theta_max         67.18
_diffrn_reflns_theta_min         3.85
_exptl_absorpt_coefficient_mu    1.401
_exptl_absorpt_correction_T_max  0.9333
_exptl_absorpt_correction_T_min  0.7481
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.191
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             892
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.229
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     571
_refine_ls_number_reflns         8495
_refine_ls_number_restraints     159
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0601
_refine_ls_R_factor_gt           0.0494
_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^)+(0.0859P)^2^+0.3926P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1409
_refine_ls_wR_factor_ref         0.1489
_reflns_number_gt                6709
_reflns_number_total             8495
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja4110396_si_002.cif
_cod_data_source_block           erk7304
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4120677