Consecutive intermolecular 1,1-carboboration reactions of Me<sub>3</sub>Si-substituted alkynes with the halogeno-B(C<sub>6</sub>F<sub>5</sub>)<sub>2</sub> reagents.
Škoch, Karel; Pauly, Christophe; Daniliuc, Constantin G.; Bergander, Klaus; Kehr, Gerald; Erker, Gerhard; Dalton transactions (Cambridge, England : 2003) 48 (2019) 4837–4845; doi:10.1039/c9dt00413k

data_7049197
_publ_section_title
;
 Consecutive intermolecular 1,1-carboboration reactions of
 Me<sub>3</sub>Si-substituted alkynes with the
 halogeno-B(C<sub>6</sub>F<sub>5</sub>)<sub>2</sub> reagents.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4837
_journal_page_last               4845
_journal_paper_doi               10.1039/c9dt00413k
_journal_volume                  48
_journal_year                    2019
_chemical_formula_sum            'C24 H24 B Br F10 Si2'
_chemical_formula_weight         649.33
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           'APEX3 v2016.1-0'
_audit_update_record
;
2019-01-22 deposited with the CCDC.    2019-02-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.686(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4154(4)
_cell_length_b                   30.5675(10)
_cell_length_c                   9.4626(3)
_cell_measurement_reflns_used    7034
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      66.7523
_cell_measurement_theta_min      4.6726
_cell_volume                     2737.31(17)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_publication_material  'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Kappa CCD APEXII'
_diffrn_measurement_method       'phi / omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0658
_diffrn_reflns_av_unetI/netI     0.0404
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            32996
_diffrn_reflns_theta_full        66.75
_diffrn_reflns_theta_max         66.75
_diffrn_reflns_theta_min         4.67
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    3.644
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.74
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Bruker AXS (2014). SADABS, Version 2014/5, Bruker AXS Inc., Madison, Wisconsin,
USA.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.576
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.456
_refine_diff_density_min         -0.337
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         4848
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0453
_refine_ls_R_factor_gt           0.0354
_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^)+(0.0521P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0864
_refine_ls_wR_factor_ref         0.0905
_reflns_number_gt                4054
_reflns_number_total             4848
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt00413k2.cif
_cod_data_source_block           erk9374
_cod_depositor_comments
'Adding full bibliography for 7049191--7049204.cif.'
_cod_database_code               7049197
_shelx_res_checksum              60428