Synthesis, Structures, and Norbornene Polymerization Behavior of Bis(aryloxide-N-heterocyclic carbene) Nickel Complexes
Kong, Yong; Cheng, Man; Ren, Hongping; Xu, Shansheng; Song, Haibin; Yang, Min; Liu, Binyuan; Wang, Baiquan; Organometallics 30 (2011) 1677–; doi:10.1021/om1011825

data_4064211
_publ_section_title
;
 Synthesis, Structures, and Norbornene Polymerization Behavior of
 Bis(aryloxide-N-heterocyclic carbene) Nickel Complexes
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1677
_journal_paper_doi               10.1021/om1011825
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C44 H66 Cl4 N4 Ni O2'
_chemical_formula_sum            'C44 H66 Cl4 N4 Ni O2'
_chemical_formula_weight         883.52
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3845(13)
_cell_length_b                   17.0235(18)
_cell_length_c                   21.782(2)
_cell_measurement_reflns_used    15175
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.5
_cell_volume                     4592.2(8)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0369
_diffrn_reflns_av_sigmaI/netI    0.0880
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18702
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.694
_exptl_absorpt_correction_T_max  0.8736
_exptl_absorpt_correction_T_min  0.8736
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
; 
    ENTER TEXT OF LETTER 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.283
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.012(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.930
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         10445
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      0.946
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0349
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0142P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0581
_refine_ls_wR_factor_ref         0.0623
_reflns_number_gt                8269
_reflns_number_total             10445
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1011825_si_002.cif
_cod_data_source_block           r060429a
_cod_database_code               4064211