Preparation of New Olefin Polymerization Precatalysts by Facile Derivatization of Imino‒Enamido ZrMe3and HfMe3Complexes
Klosin, Jerzy; Fontaine, Philip P.; Figueroa, Ruth; McCann, Scott D.; Mort, Darrek; Organometallics 32 (2013) 6488–; doi:10.1021/om4008339

data_4081963
_publ_section_title
;
 Preparation of New Olefin Polymerization Precatalysts by Facile
 Derivatization of Imino--Enamido ZrMe3and HfMe3Complexes
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              6488
_journal_paper_doi               10.1021/om4008339
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C32 H56 Hf N4'
_chemical_formula_weight         675.30
_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                 105.9000(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.2165(3)
_cell_length_b                   16.1873(3)
_cell_length_c                   15.9598(3)
_cell_measurement_reflns_used    9188
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.95
_cell_measurement_theta_min      2.52
_cell_volume                     3283.80(12)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0206
_diffrn_reflns_av_sigmaI/netI    0.0104
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            73513
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    3.201
_exptl_absorpt_correction_T_max  0.4091
_exptl_absorpt_correction_T_min  0.3920
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.366
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.491
_refine_diff_density_min         -0.575
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         7538
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0160
_refine_ls_R_factor_gt           0.0138
_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^)+(0.0141P)^2^+2.6398P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0340
_refine_ls_wR_factor_ref         0.0355
_reflns_number_gt                7057
_reflns_number_total             7538
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om4008339_si_001.cif
_cod_data_source_block           20
_cod_original_cell_volume        3283.80(11)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4081963