Synthetic, structural and reactivity studies of a boryl-ethynyl Silylene.
Chen, Wenhao; Hu, Haisheng; Feng, Jie; Zhu, Lei; Wu, Di; Chemical communications (Cambridge, England) 60 (2024) 5828–5831; doi:10.1039/d4cc00922c

data_7133026
_publ_section_title
;
 Synthetic, structural and reactivity studies of a boryl-ethynyl Silylene.
;
_journal_issue                   45
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5828
_journal_page_last               5831
_journal_paper_doi               10.1039/d4cc00922c
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C57 H67 B N4 O2 Si'
_chemical_formula_sum            'C57 H67 B N4 O2 Si'
_chemical_formula_weight         879.04
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2022-07-25
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2024-05-02 deposited with the CCDC.	2024-05-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.5590(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.9587(3)
_cell_length_b                   24.1745(5)
_cell_length_c                   16.8361(4)
_cell_measurement_reflns_used    8625
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      27.05
_cell_measurement_theta_min      2.41
_cell_volume                     5127.2(2)
_computing_cell_refinement       'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_computing_data_collection       'Bruker Instrument Service vV6.2.14'
_computing_data_reduction        'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      170.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'zju Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0645
_diffrn_reflns_av_unetI/netI     0.0501
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            49442
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.103
_diffrn_reflns_theta_min         2.260
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.7087
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1041 before and 0.0589 after correction.
The Ratio of minimum to maximum transmission is 0.9506.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.139
_exptl_crystal_description       block
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.182
_refine_diff_density_min         -0.336
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     600
_refine_ls_number_reflns         11311
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0791
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0393P)^2^+1.5230P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0979
_refine_ls_wR_factor_ref         0.1149
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7944
_reflns_number_total             11311
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc00922c2.cif
_cod_data_source_block           mo_220722_fj0718_910_0m
_cod_depositor_comments
'Adding full bibliography for 7133025--7133030.cif.'
_cod_database_code               7133026
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.996
_shelx_estimated_absorpt_t_min   0.986
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C11(H11), C14(H14), C23(H23), C26(H26)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C7(H7), C8(H8), C9(H9), C19(H19), C20(H20), C21(H21),
 C35(H35), C36(H36), C37(H37), C38(H38), C39(H39), C46(H46), C47(H47), C48(H48),
  C49(H49), C53(H53), C54(H54), C55(H55), C56(H56)
2.c Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C15(H15A,H15B,H15C), C16(H16A,H16B,
 H16C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C27(H27A,H27B,H27C), C28(H28A,
 H28B,H28C), C31(H31A,H31B,H31C), C32(H32A,H32B,H32C), C33(H33A,H33B,H33C),
 C41(H41A,H41B,H41C), C42(H42A,H42B,H42C), C43(H43A,H43B,H43C)
;
_shelx_res_checksum              39911
_shelx_hkl_checksum              96003
_olex2_submission_special_instructions 'No special instructions were received'