New phenyl‒nickel complexes of bulky 2-iminopyrrolyl chelates: synthesis, characterisation and application as aluminium-free catalysts for the production of hyperbranched polyethylene
Figueira, Cláudia A.; Lopes, Patrícia S.; Gomes, Clara S. B.; Gomes, Joselaine C. S.; Lemos, Francisco; Gomes, Pedro T.; Dalton Transactions  (2018) –; doi:10.1039/C8DT02824A

data_7047907
_publ_section_title
;
 New phenyl--nickel complexes of bulky 2-iminopyrrolyl chelates:
 synthesis, characterisation and application as aluminium-free catalysts
 for the production of hyperbranched polyethylene
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/C8DT02824A
_journal_year                    2018
_chemical_formula_moiety         'C45 H41 N2 Ni P'
_chemical_formula_sum            'C45 H41 N2 Ni P'
_chemical_formula_weight         699.48
_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-2018/1
_audit_update_record
;
2018-09-05 deposited with the CCDC.
2018-09-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.6030(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.9364(3)
_cell_length_b                   32.1736(9)
_cell_length_c                   10.3382(3)
_cell_measurement_reflns_used    9932
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.74
_cell_measurement_theta_min      2.43
_cell_volume                     3762.81(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP
_computing_publication_material  enCIFer
_computing_structure_refinement  'SHELXL-2018/1 (Sheldrick, 2018)'
_computing_structure_solution    SIR2004
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0537
_diffrn_reflns_av_unetI/netI     0.0342
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       42
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            83151
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.037
_diffrn_reflns_theta_min         2.201
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.591
_exptl_absorpt_correction_T_max  0.881
_exptl_absorpt_correction_T_min  0.852
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_description       Block
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.220
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.433
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     446
_refine_ls_number_reflns         9051
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0528
_refine_ls_R_factor_gt           0.0382
_refine_ls_shift/su_max          0.044
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+2.5276P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0923
_refine_ls_wR_factor_ref         0.0964
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7370
_reflns_number_total             9051
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt02824a2.cif
_cod_data_source_block           4
_cod_database_code               7047907
_shelx_shelxl_version_number     2018/1
_shelx_estimated_absorpt_t_min   0.852
_shelx_estimated_absorpt_t_max   0.881
_shelx_res_checksum              58570
_shelx_fab_checksum              89228