Mechanistic Characterization of (Xantphos)Ni(I)-Mediated Alkyl Bromide Activation: Oxidative Addition, Electron Transfer, or Halogen-Atom Abstraction.
Diccianni, Justin B.; Katigbak, Joseph; Hu, Chunhua; Diao, Tianning; Journal of the American Chemical Society 141 (2019) 1788–1796; doi:10.1021/jacs.8b13499

data_4128088
_publ_section_title
;
 Mechanistic Characterization of (Xantphos)Ni(I)-Mediated Alkyl Bromide
 Activation: Oxidative Addition, Electron Transfer, or Halogen-Atom
 Abstraction.
;
_journal_issue                   4
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1788
_journal_page_last               1796
_journal_paper_doi               10.1021/jacs.8b13499
_journal_volume                  141
_journal_year                    2019
_chemical_formula_sum            'C67 H108 N2 Ni2 O2 P4'
_chemical_formula_weight         1214.85
_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   geom
_audit_creation_method           SHELXL-2017/1
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_cell_angle_beta                 109.287(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
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_cell_length_c                   23.841(4)
_cell_measurement_reflns_used    9867
_cell_measurement_temperature    100(2)
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_cell_measurement_theta_min      2.35
_cell_volume                     14513(4)
_computing_cell_refinement       'Bruker SAINT'
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_computing_structure_solution    'SHELXT (Sheldrick 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0774
_diffrn_reflns_av_unetI/netI     0.0699
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       21
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_diffrn_reflns_limit_l_min       -29
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_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.387
_diffrn_reflns_theta_min         1.255
_exptl_absorpt_coefficient_mu    0.646
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6133
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
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_refine_ls_number_reflns         29689
_refine_ls_number_restraints     106
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0503P)^2^+7.2618P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_Friedel_coverage         0.000
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_reflns_number_total             29689
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b13499_si_010.cif
_cod_data_source_block           17tnd19h_sq
_cod_original_cell_volume        14512(4)
_cod_database_code               4128088
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.755
_shelx_estimated_absorpt_t_max   0.987
_shelx_res_checksum              72885
_shelx_hkl_checksum              438
_shelx_fab_checksum              7012