Group 4 Post-metallocene Complexes Incorporating Tridentate Silyl-Substituted Bis(naphthoxy)pyridine and Bis(naphthoxy)thiophene Ligands: Probing Systems for “Oscillating” Olefin Polymerization Catalysis
Kirillov, Evgueni; Roisnel, Thierry; Razavi, Abbas; Carpentier, Jean-François; Organometallics 28 (2009) 5036–; doi:10.1021/om900550s

data_4069999
_publ_section_title
;
 Group 4 Post-metallocene Complexes Incorporating Tridentate
 Silyl-Substituted Bis(naphthoxy)pyridine and Bis(naphthoxy)thiophene
 Ligands: Probing Systems for &#x201C;Oscillating&#x201D; Olefin
 Polymerization Catalysis
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              5036
_journal_paper_doi               10.1021/om900550s
_journal_volume                  28
_journal_year                    2009
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C61 H56 Hf1 N4 O2 Si2, 4(C6 H6)'
_chemical_formula_sum            'C85 H80 Hf N4 O2 Si2'
_chemical_formula_weight         1424.2
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2007-11-06T11:24:01-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                64.566(5)
_cell_angle_beta                 72.054(5)
_cell_angle_gamma                67.689(5)
_cell_formula_units_Z            2
_cell_length_a                   15.1981(12)
_cell_length_b                   15.6944(15)
_cell_length_c                   18.1293(17)
_cell_measurement_reflns_used    6176
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.26
_cell_measurement_theta_min      2.35
_cell_measurement_wavelength     0.71073
_cell_volume                     3557.9(6)
_computing_cell_refinement       'Bruker SMART, 2006'
_computing_data_collection       'Bruker SMART, 2006'
_computing_data_reduction        'Bruker SAINT, 2006'
_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    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0521
_diffrn_reflns_av_unetI/netI     0.0629
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            44679
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    1.551
_exptl_absorpt_correction_T_max  0.870
_exptl_absorpt_correction_T_min  0.708
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1468
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.544
_refine_diff_density_min         -0.938
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     853
_refine_ls_number_reflns         16292
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0346
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0323P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0737
_refine_ls_wR_factor_ref         0.0775
_reflns_number_gt                13977
_reflns_number_total             16292
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900550s_si_008.cif
_cod_data_source_block           job
_cod_database_code               4069999