Effects of the halogenido ligands on the Kumada-coupling catalytic activity of [Ni{tBuN(PPh2)2-κ2P}X2], X = Cl, Br, I, complexes
Ioannou, Polydoros-Chrysovalantis; Coufal, Radek; Kakridi, Kalliopi; Raptopoulou, Catherine P.; Trhlíková, Olga; Psycharis, Vassilis; Zedník, Jiří; Kyritsis, Panayotis; Vohlídal, Jiří; RSC Advances 12 (2022) 2227–2236; doi:10.1039/D1RA04572E

data_7244223
_publ_section_title
;
 Effects of the halogenido ligands on the Kumada-coupling catalytic
 activity of [Ni{tBuN(PPh2)2-\k2P}X2], X = Cl, Br, I, complexes
;
_journal_issue                   4
_journal_name_full               'RSC Advances'
_journal_page_first              2227
_journal_page_last               2236
_journal_paper_doi               10.1039/D1RA04572E
_journal_volume                  12
_journal_year                    2022
_chemical_formula_sum            'C28 H29 Br2 N Ni P2'
_chemical_formula_weight         659.99
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P -2n 2a'
_space_group_name_H-M_alt        'P 21 c n'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2019-12-03 deposited with the CCDC.	2021-12-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8001(2)
_cell_length_b                   13.6022(3)
_cell_length_c                   20.5470(4)
_cell_measurement_reflns_used    23145
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     2738.98(10)
_computing_cell_refinement       'CrystalClear, Rigaku MSC, 2005'
_computing_data_collection       'CrystalClear, Rigaku MSC, 2005'
_computing_data_reduction        'CrystalClear, Rigaku MSC, 2005'
_computing_molecular_graphics    'Diamond ver.3.1'
_computing_publication_material  'publCIF J.Appl.Cryst. 2010, 43, 920'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013/1 (Sheldrick, 2008)'
_diffrn_ambient_temperature      160(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS SPIDER IPDS'
_diffrn_measurement_method       'q scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0455
_diffrn_reflns_av_unetI/netI     0.0466
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            25149
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.998
_diffrn_reflns_theta_min         2.995
_exptl_absorpt_coefficient_mu    3.760
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.617
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'CrystalClear, Rigaku MSC, 2005'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.601
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details
;
 Flack x determined using 2428 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.004(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     420
_refine_ls_number_reflns         5972
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0272
_refine_ls_R_factor_gt           0.0239
_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^)+(0.0112P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0457
_refine_ls_wR_factor_ref         0.0467
_reflns_Friedel_coverage         0.885
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                5591
_reflns_number_total             5972
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ra04572e3.cif
_cod_data_source_block           NIPPBR
_cod_original_sg_symbol_H-M      P2(1)cn
_cod_database_code               7244223
_shelxl_version_number           2014/6
_shelx_res_checksum              57959