Synthesis of perhalogenated silylboranes (X = Cl, I) and their application in regiodivergent alkene silaboration.
Heller, Jan; Buch, Christoph D.; Virovets, Alexander V.; Peresypkina, Eugenia; Lerner, Hans-Wolfram; Fantuzzi, Felipe; Wagner, Matthias; Chemical science 16 (2025) 20329–20343; doi:10.1039/d5sc06234a

data_1575667
_publ_section_title
;
 Synthesis of perhalogenated silylboranes (X = Cl, I) and their
 application in regiodivergent alkene silaboration.
;
_journal_issue                   43
_journal_name_full               'Chemical science'
_journal_page_first              20329
_journal_page_last               20343
_journal_paper_doi               10.1039/d5sc06234a
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C5 H5 B Cl5 N Si'
_chemical_formula_sum            'C5 H5 B Cl5 N Si'
_chemical_formula_weight         295.25
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2025-07-08 deposited with the CCDC.	2025-09-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.3526(19)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.53823(16)
_cell_length_b                   9.89175(18)
_cell_length_c                   13.7811(3)
_cell_measurement_reflns_used    10988
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.4090
_cell_measurement_theta_min      3.2070
_cell_volume                     1154.35(4)
_computing_cell_refinement       'CrysAlisPro 1.171.42.43a (Rigaku OD, 2022)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'CrysAlisPro 1.171.42.43a (Rigaku OD, 2022)'
_computing_publication_material  'IUCr PublCIF online service'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT (G. M. Sheldrick, 2015)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'image plate'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            'STOE image plate (34 cm diameter)'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0400
_diffrn_reflns_av_unetI/netI     0.0223
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18205
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.567
_diffrn_reflns_theta_min         2.405
_diffrn_source                   'Genix 3D I\mS microfocus X-ray source'
_exptl_absorpt_coefficient_mu    1.312
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.59129
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.43a (Rigaku Oxford Diffraction, 2022)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.699
_exptl_crystal_description       plate
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.514
_refine_diff_density_min         -0.441
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     118
_refine_ls_number_reflns         3532
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0285
_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^)+(0.0410P)^2^+0.4249P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0752
_refine_ls_wR_factor_ref         0.0772
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3290
_reflns_number_total             3532
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc06234a3.cif
_cod_data_source_block           3_Py_wa3569_JH228
_cod_depositor_comments
'Adding full bibliography for 1575660--1575680.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1575667
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.649
_shelx_estimated_absorpt_t_max   0.925
_shelx_res_checksum              75486