Novel dioxolene nickel complexes with sterically hindered diazabutadienes. Coupling of aza-ligands coordinated to nickel.
Bubnov, Michael P.; Cherkasov, Vladimir K.; Teplova, Irina A.; Druzhkov, Nickolay O.; Grishin, Ivan D.; Baranov, Evgenii V.; Bogomyakov, Artem S.; Abakumov, Gleb A.; Dalton transactions (Cambridge, England : 2003) 48 (2019) 10516–10525; doi:10.1039/c9dt01309a

data_7701523
_publ_section_title
;
 Novel dioxolene nickel complexes with sterically hindered
 diazabutadienes. Coupling of aza-ligands coordinated to nickel.
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10516
_journal_page_last               10525
_journal_paper_doi               10.1039/c9dt01309a
_journal_volume                  48
_journal_year                    2019
_chemical_formula_sum            'C52 H72 N2 Ni O4'
_chemical_formula_weight         847.82
_space_group_crystal_system      tetragonal
_space_group_IT_number           88
_space_group_name_Hall           '-I 4ad'
_space_group_name_H-M_alt        'I 41/a :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-03-24 deposited with the CCDC.	2019-06-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.2618(3)
_cell_length_b                   16.2618(3)
_cell_length_c                   35.9463(16)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      2
_cell_volume                     9505.9(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0402
_diffrn_reflns_av_unetI/netI     0.0215
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            40807
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.992
_diffrn_reflns_theta_min         1.133
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.453
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.907
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008a)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.185
_exptl_crystal_description       prism
_exptl_crystal_F_000             3664
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.605
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         4650
_refine_ls_number_restraints     248
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0336
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0601P)^2^+2.0104P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0815
_refine_ls_wR_factor_ref         0.0863
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4093
_reflns_number_total             4650
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt01309a2.cif
_cod_data_source_block           nisqdadm
_cod_original_sg_symbol_H-M      'I 41/a'
_cod_database_code               7701523
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.847
_shelx_estimated_absorpt_t_max   0.952
_shelx_res_checksum              27099