Synthesis, Structures, and Olefin Polymerization Characteristics of Group 4 Catalysts [Zr{(OAr)2py}Cl2(D)] (D = O-Donors, Cl[HPR3]) Supported by Tridentate Pyridine-2,6-bis(aryloxide) Ligands
Chan, Michael C. W.; Tam, Ka-Ho; Zhu, Nianyong; Chiu, Pauline; Matsui, Shigekazu; Organometallics 25 (2006) 785–; doi:10.1021/om050864z

data_4074759
_publ_section_title
;
 Synthesis, Structures, and Olefin Polymerization Characteristics of Group
 4 Catalysts [Zr{(OAr)2py}Cl2(D)] (D = O-Donors, Cl[HPR3]) Supported by
 Tridentate Pyridine-2,6-bis(aryloxide) Ligands
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              785
_journal_paper_doi               10.1021/om050864z
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C40 H30 Cl2 Zr1'
_chemical_formula_sum            'C41.75 H43 Cl2 N O3 Zr'
_chemical_formula_weight         768.93
_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                81.32(3)
_cell_angle_beta                 81.24(3)
_cell_angle_gamma                78.01(3)
_cell_formula_units_Z            4
_cell_length_a                   10.743(2)
_cell_length_b                   18.631(4)
_cell_length_c                   19.868(4)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     3815.1(14)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      253(2)
_diffrn_measured_fraction_theta_full 0.756
_diffrn_measured_fraction_theta_max 0.756
_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  0.0515
_diffrn_reflns_av_sigmaI/netI    0.1231
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18279
_diffrn_reflns_theta_full        25.34
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         1.13
_exptl_absorpt_coefficient_mu    0.467
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange-red
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1594
_exptl_crystal_size_max          0.7
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.789
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.960
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     863
_refine_ls_number_reflns         10554
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.960
_refine_ls_R_factor_all          0.0947
_refine_ls_R_factor_gt           0.0570
_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^)+(0.0722P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1420
_refine_ls_wR_factor_ref         0.1605
_reflns_number_gt                6162
_reflns_number_total             10554
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om050864zsi20051006_095758.cif
_cod_data_source_block           Cpd4_mar841
_cod_original_cell_volume        3815.1(13)
_cod_database_code               4074759