Competing H2 versus Intramolecular C-H Activation at a Dinuclear Nickel Complex via Metal-Metal Cooperative Oxidative Addition.
Stevens, Hendrik; Duan, Peng-Cheng; Dechert, Sebastian; Meyer, Franc; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.0c00758

data_4134543
_publ_section_title
;
 Competing H2 versus Intramolecular C-H Activation at a Dinuclear Nickel
 Complex via Metal-Metal Cooperative Oxidative Addition.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c00758
_journal_year                    2020
_chemical_formula_moiety         'C51 H45 Br N6 Ni2, 4(C H2 Cl2)'
_chemical_formula_sum            'C55 H53 Br Cl8 N6 Ni2'
_chemical_formula_weight         1278.96
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 102.685(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.2136(6)
_cell_length_b                   17.6293(5)
_cell_length_c                   24.0942(11)
_cell_measurement_reflns_used    38697
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      25.718
_cell_measurement_theta_min      1.444
_cell_volume                     5475.7(4)
_computing_cell_refinement       'X-AREA (Stoe & Cie, 2002)'
_computing_data_collection       'X-AREA (Stoe & Cie, 2002)'
_computing_data_reduction        'X-AREA (Stoe & Cie, 2002)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2012)'
_computing_publication_material  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Stoe IPDS II'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0567
_diffrn_reflns_av_unetI/netI     0.0412
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            38697
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.718
_diffrn_reflns_theta_min         1.444
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.852
_exptl_absorpt_correction_T_max  0.7380
_exptl_absorpt_correction_T_min  0.3418
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'X-RED (Stoe & Cie, 2002)'
_exptl_crystal_colour            'dark green'
_exptl_crystal_density_diffrn    1.551
_exptl_crystal_description       block
_exptl_crystal_F_000             2608
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.500
_exptl_crystal_size_min          0.260
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_refine_diff_density_min         -0.492
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     681
_refine_ls_number_reflns         10327
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0539
_refine_ls_R_factor_gt           0.0393
_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^)+(0.0516P)^2^+0.3104P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0863
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_reflns_number_total             10327
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c00758_si_002.cif
_cod_data_source_block           1-pd72
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4134543
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.458
_shelx_estimated_absorpt_t_max   0.645
_shelx_res_checksum              62677
_shelx_hkl_checksum              77509