Highly Active Neutral Nickel(II) Catalysts for Ethylene Polymerization Bearing Modified β-Ketoiminato Ligands
Song, Dong-Po; Ye, Wei-Ping; Wang, Yong-Xia; Liu, Jing-Yao; Li, Yue-Sheng; Organometallics 28 (2009) 5697–; doi:10.1021/om900477k

data_4069885
_publ_section_title
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 Highly Active Neutral Nickel(II) Catalysts for Ethylene Polymerization
 Bearing Modified \b-Ketoiminato Ligands
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5697
_journal_paper_doi               10.1021/om900477k
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C51 H48 N Ni O P'
_chemical_formula_weight         780.58
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                91.2070(10)
_cell_angle_beta                 113.2920(10)
_cell_angle_gamma                102.1010(10)
_cell_formula_units_Z            2
_cell_length_a                   12.6830(9)
_cell_length_b                   13.5102(10)
_cell_length_c                   13.5145(10)
_cell_measurement_reflns_used    4263
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      25.94
_cell_measurement_theta_min      2.39
_cell_volume                     2065.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      185(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Bruker APEX CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0172
_diffrn_reflns_av_sigmaI/netI    0.0379
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11670
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    0.547
_exptl_absorpt_correction_T_max  0.9596
_exptl_absorpt_correction_T_min  0.8772
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.255
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.060
_refine_diff_density_min         -1.087
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     500
_refine_ls_number_reflns         7947
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0661
_refine_ls_R_factor_gt           0.0552
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0625P)^2^+2.7893P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1310
_refine_ls_wR_factor_ref         0.1395
_reflns_number_gt                6675
_reflns_number_total             7947
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900477k_si_002.cif
_cod_data_source_block           t009
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4069885