High yield of a variety of silicon-boron radicals and their reactivity
Roesky, Herbert W.; Nazish, Mohd; Ding, Yi; Legendre, Christina M.; Kumar, Arun; Graw, Nico; Schwederski, Brigitte; Herbst-Irmer, Regine; P, Parvathy; Parameswaran, Pattiyil; Stalke, Dietmar; Kaim, Wolfgang; Dalton Transactions  (2022) –; doi:10.1039/D2DT01318E

data_7710598
_publ_section_title
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 High yield of a variety of silicon-boron radicals and their reactivity
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_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT01318E
_journal_year                    2022
_chemical_formula_moiety         'C34 H55 B Br2 N2 Si'
_chemical_formula_sum            'C34 H55 B Br2 N2 Si'
_chemical_formula_weight         690.52
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-10-05 deposited with the CCDC.	2022-06-01 downloaded from the CCDC.
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_cell_angle_alpha                90
_cell_angle_beta                 106.12(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.079(3)
_cell_length_b                   12.497(2)
_cell_length_c                   17.886(3)
_cell_measurement_reflns_used    9865
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.413
_cell_measurement_theta_min      2.2205
_cell_volume                     3452.7(11)
_computing_cell_refinement       'SAINT V8.37A'
_computing_data_collection       'APEX2 v2012.2'
_computing_data_reduction        'SAINT V8.37A'
_computing_molecular_graphics    'XP Version 5.1'
_computing_publication_material  'XP Version 5.1'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Smart APEX II Quazar'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0832
_diffrn_reflns_av_unetI/netI     0.0315
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            147210
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.614
_diffrn_reflns_theta_min         1.508
_diffrn_source                   'INCOATEC Microsource'
_exptl_absorpt_coefficient_mu    2.408
_exptl_absorpt_correction_T_max  0.4305
_exptl_absorpt_correction_T_min  0.2887
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2016/2
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1448
_exptl_crystal_size_max          0.276
_exptl_crystal_size_mid          0.231
_exptl_crystal_size_min          0.127
_refine_diff_density_max         2.088
_refine_diff_density_min         -1.235
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.133
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     376
_refine_ls_number_reflns         7978
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.133
_refine_ls_R_factor_all          0.0608
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0499P)^2^+8.8000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1111
_refine_ls_wR_factor_ref         0.1226
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6483
_reflns_number_total             7978
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt01318e2.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7710598
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              41243