Stereospecific Octahedral Group 4 Bis(phenolate) Ether Complexes for Olefin Polymerization
Elizabeth T. Kiesewetter; Sören Randoll; Madalyn Radlauer; Robert M. Waymouth; Journal of the American Chemical Society 132 (2010) 5566–5567; doi:10.1021/ja100627x

data_4102317
_publ_contact_author_address     'Dept. of Chemistry, Stanford University'
_publ_contact_author_email       etanzini@stanford.edu
_publ_contact_author_name        'Elizabeth Tanzini'
_publ_contact_author_phone       '650 725 2474'
_publ_section_title
;
 Stereospecific Octahedral Group 4 Bis(phenolate) Ether Complexes for
 Olefin Polymerization
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5566
_journal_page_last               5567
_journal_paper_doi               10.1021/ja100627x
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C62 H62 O4 Zr, 2(C7 H8)'
_chemical_formula_sum            'C76 H78 O4 Zr'
_chemical_formula_weight         1146.60
_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                 99.339(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.309(2)
_cell_length_b                   24.952(5)
_cell_length_c                   21.872(4)
_cell_measurement_reflns_used    9942
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.29
_cell_measurement_theta_min      2.33
_cell_volume                     6090(2)
_computing_cell_refinement       'Bruker SAINT v7.34A'
_computing_data_collection       'Bruker APEX-II v2.1-4'
_computing_data_reduction        'Bruker SAINT v7.34A'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 83.33
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II'
_diffrn_measurement_method       \w/2\q-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  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            54962
_diffrn_reflns_theta_full        25.38
_diffrn_reflns_theta_max         25.38
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.231
_exptl_absorpt_correction_T_max  0.9683
_exptl_absorpt_correction_T_min  0.8365
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Sheldrick, 2008'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.250
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             2424
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.741
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     736
_refine_ls_number_reflns         11143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0651
_refine_ls_R_factor_gt           0.0483
_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^)+(0.0467P)^2^+8.2099P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1141
_refine_ls_wR_factor_ref         0.1233
_reflns_number_gt                8819
_reflns_number_total             11143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja100627x_si_002.cif
_cod_data_source_block           stanu026
_cod_database_code               4102317