Titanium and Zirconium Catalysts with [N,O] Ligands: Syntheses, Characterization, and Their Catalytic Properties for Olefin Polymerization
Shi, Xiao-Chao; Jin, Guo-Xin; Organometallics 31 (2012) 7198–; doi:10.1021/om3007568

data_4079463
_publ_section_title
;
 Titanium and Zirconium Catalysts with [N,O] Ligands: Syntheses,
 Characterization, and Their Catalytic Properties for Olefin
 Polymerization
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              7198
_journal_paper_doi               10.1021/om3007568
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C37 H38 Cl4 N2 O4 Zr'
_chemical_formula_weight         807.71
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                   13.905(3)
_cell_length_b                   15.981(4)
_cell_length_c                   16.323(4)
_cell_measurement_reflns_used    4771
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.81
_cell_measurement_theta_min      2.31
_cell_volume                     3627.2(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0594
_diffrn_reflns_av_sigmaI/netI    0.0378
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            20093
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.94
_diffrn_standards_decay_%        5.92
_exptl_absorpt_coefficient_mu    0.640
_exptl_absorpt_correction_T_max  0.9046
_exptl_absorpt_correction_T_min  0.8827
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.479
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1656
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.613
_refine_diff_density_min         -0.895
_refine_diff_density_rms         0.157
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.356
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     222
_refine_ls_number_reflns         3183
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.357
_refine_ls_R_factor_all          0.1164
_refine_ls_R_factor_gt           0.1046
_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^+75.1695P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2481
_refine_ls_wR_factor_ref         0.2525
_reflns_number_gt                2708
_reflns_number_total             3183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3007568_si_001.cif
_cod_data_source_block           3i
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        3627.3(15)
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               4079463