Coligand Role in the NHC Nickel catalyzed C‒F Bond Activation: Investigations on the Insertion of bis(NHC) Nickel into the C‒F Bond of Hexafluorobenzene
Kuntze-Fechner, Maximilian; Holthausen, Max C C.; Marder, Todd B.; Braunschweig, Holger; Krummenacher, Ivo; Radius, Udo; Tendera, Lukas; Verplancke, Hendrik; Diefenbach, Martin; Chemical Science  (2020) –; doi:10.1039/D0SC04237D

data_1559285
_publ_section_title
;
 Coligand Role in the NHC Nickel catalyzed C--F Bond Activation:
 Investigations on the Insertion of bis(NHC) Nickel into the C--F Bond of
 Hexafluorobenzene&#x00A0;
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D0SC04237D
_journal_year                    2020
_chemical_formula_moiety         'C48 H49 F4 N4 Ni'
_chemical_formula_sum            'C48 H49 F4 N4 Ni'
_chemical_formula_weight         816.62
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/1
_audit_update_record
;
2020-07-20 deposited with the CCDC.	2020-10-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 122.824(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.976(3)
_cell_length_b                   13.1060(15)
_cell_length_c                   17.395(3)
_cell_measurement_reflns_used    5151
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.69
_cell_measurement_theta_min      2.44
_cell_volume                     4210.2(11)
_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-2018/1 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker X8-APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0547
_diffrn_reflns_av_unetI/netI     0.0411
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            20673
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.855
_diffrn_reflns_theta_min         1.905
_diffrn_source                   'rotating-anode X-ray tube'
_exptl_absorpt_coefficient_mu    0.517
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5909
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs 2014/4 (Bruker 2014)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_description       block
_exptl_crystal_F_000             1716
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.33
_refine_diff_density_max         1.137
_refine_diff_density_min         -0.557
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         4504
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0533
_refine_ls_R_factor_gt           0.0440
_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^)+(0.0650P)^2^+4.8199P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1150
_refine_ls_wR_factor_ref         0.1214
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3821
_reflns_number_total             4504
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc04237d2.cif
_cod_data_source_block           Compound_13
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1559285
_shelx_shelxl_version_number     2018/1
_shelx_res_checksum              74145