Silylene induced cooperative B–H bond activation and unprecedented aldehyde C–H bond splitting with amidinate ring expansion
Roesky, Herbert W.; Swamy, V S. V. S. N.; Vanka, Kumar; Raj, K. Vipin; Sen, Sakya Singha; Chemical Communications  (2019) –; doi:10.1039/C9CC00296K

data_7123050
_publ_section_title
;
 Silylene induced cooperative B--H bond activation and unprecedented
 aldehyde C--H bond splitting with amidinate ring expansion
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC00296K
_journal_year                    2019
_chemical_formula_moiety         'C28 H46 F N3 O Si3'
_chemical_formula_sum            'C28 H46 F N3 O Si3'
_chemical_formula_weight         543.95
_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   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-03 deposited with the CCDC.    2019-02-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.5040(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5445(3)
_cell_length_b                   16.4615(4)
_cell_length_c                   17.4112(4)
_cell_measurement_reflns_used    9956
_cell_measurement_temperature    217(2)
_cell_measurement_theta_max      28.46
_cell_measurement_theta_min      2.26
_cell_volume                     3172.50(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      217(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0294
_diffrn_reflns_av_unetI/netI     0.0291
_diffrn_reflns_Laue_measured_fraction_full 0.981
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            28441
_diffrn_reflns_point_group_measured_fraction_full 0.981
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        24.995
_diffrn_reflns_theta_max         24.995
_diffrn_reflns_theta_min         1.737
_diffrn_source                   'micro-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.179
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (BRUKER, 2016)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.139
_exptl_crystal_description       block
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.280
_exptl_crystal_size_min          0.170
_exptl_transmission_factor_max   0.970
_exptl_transmission_factor_min   0.934
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.329
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     341
_refine_ls_number_reflns         5477
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0377
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0383P)^2^+2.5149P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0923
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4667
_reflns_number_total             5477
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc00296k2.cif
_cod_data_source_block           senring_a
_cod_database_code               7123050
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.935
_shelx_estimated_absorpt_t_max   0.970
_shelx_res_checksum              70560
_shelx_hkl_checksum              6535