A two-coordinate Ni(I) silyl complex: CO2 insertion and oxidatively-induced silyl migrations
Witzke, Ryan J.; Tilley, T. Don; Chemical Communications  (2019) –; doi:10.1039/C9CC03128F

data_7123417
_publ_section_title
;
 A two-coordinate Ni(I) silyl complex: CO2 insertion and
 oxidatively-induced silyl migrations
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC03128F
_journal_year                    2019
_chemical_formula_sum            'C36 H63 Cl N2 Ni Si4'
_chemical_formula_weight         730.40
_chemical_name_common            RJW_NiSiOx
_chemical_name_systematic        IPrNiCl(SiMe2(SiMe(SiMe3)2))
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-11-27 deposited with the CCDC.    2019-05-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.488(2)
_cell_length_b                   18.790(3)
_cell_length_c                   27.260(6)
_cell_measurement_reflns_used    5290
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.03
_cell_measurement_theta_min      2.47
_cell_volume                     8445(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_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  0.1730
_diffrn_reflns_av_unetI/netI     0.1657
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            40472
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.361
_diffrn_reflns_theta_min         1.805
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    0.661
_exptl_absorpt_correction_T_max  0.8370
_exptl_absorpt_correction_T_min  0.6712
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_description       needle
_exptl_crystal_F_000             3152
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: pentane'
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.020
_refine_diff_density_max         1.895
_refine_diff_density_min         -0.524
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     414
_refine_ls_number_reflns         7714
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.2029
_refine_ls_R_factor_gt           0.0831
_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^)+(0.1204P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1933
_refine_ls_wR_factor_ref         0.2541
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3445
_reflns_number_total             7714
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc03128f2.cif
_cod_data_source_block           RJW_NiSiOx
_cod_original_cell_volume        8446(3)
_cod_database_code               7123417
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.907
_shelx_estimated_absorpt_t_max   0.987
_shelx_res_checksum              33196