Syntheses and Ethylene Polymerization Behavior of Supported Salicylaldimine-Based Neutral Nickel(II) Catalysts
Hu, Tao; Li, Yan-Guo; Liu, Jing-Yu; Li, Yue-Sheng; Organometallics 26 (2007) 2609–; doi:10.1021/om061061u

data_4072811
_publ_section_title
;
 Syntheses and Ethylene Polymerization Behavior of Supported
 Salicylaldimine-Based Neutral Nickel(II) Catalysts
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2609
_journal_paper_doi               10.1021/om061061u
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C62 H63 N2 Ni O2 P'
_chemical_formula_weight         957.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 94.89(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.109(3)
_cell_length_b                   34.169(10)
_cell_length_c                   15.642(4)
_cell_measurement_reflns_used    23
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      6.68
_cell_measurement_theta_min      4.51
_cell_volume                     5383(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.920
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       '\w 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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.4635
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       40
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11209
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.77
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 197
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.434
_exptl_absorpt_correction_T_max  0.5989
_exptl_absorpt_correction_T_min  0.5644
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.182
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2032
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.438
_refine_diff_density_min         -0.279
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.580
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     613
_refine_ls_number_reflns         8762
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.580
_refine_ls_R_factor_all          0.2587
_refine_ls_R_factor_gt           0.0490
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0327
_refine_ls_wR_factor_ref         0.0493
_reflns_number_gt                1864
_reflns_number_total             8762
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om061061usi20070313_050652.cif
_cod_data_source_block           n055
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4072811