Catalyst Nuclearity Effects in Olefin Polymerization. Enhanced Activity and Comonomer Enchainment in Ethylene + Olefin Copolymerizations Mediated by Bimetallic Group 4 Phenoxyiminato Catalysts
Salata, Michael R.; Marks, Tobin J.; Macromolecules 42 (2009) 1920–; doi:10.1021/ma8020745

data_1516452
_publ_section_title
;
 Catalyst Nuclearity Effects in Olefin Polymerization. Enhanced Activity
 and Comonomer Enchainment in Ethylene + Olefin Copolymerizations Mediated
 by Bimetallic Group 4 Phenoxyiminato Catalysts
;
_journal_issue                   6
_journal_name_full               Macromolecules
_journal_page_first              1920
_journal_paper_doi               10.1021/ma8020745
_journal_volume                  42
_journal_year                    2009
_chemical_formula_moiety         'C36 H42 N2 O2'
_chemical_formula_sum            'C36 H42 N2 O2'
_chemical_formula_weight         534.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 109.4350(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0592(8)
_cell_length_b                   23.0731(18)
_cell_length_c                   13.9928(11)
_cell_measurement_reflns_used    7436
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      28.91
_cell_measurement_theta_min      1.77
_cell_volume                     3062.6(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      153(2)
_diffrn_measured_fraction_theta_full 0.920
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega 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  0.0299
_diffrn_reflns_av_sigmaI/netI    0.0254
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28358
_diffrn_reflns_theta_full        28.91
_diffrn_reflns_theta_max         28.91
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.99826
_exptl_absorpt_correction_T_min  0.99514
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Bruker-AXS, 2003'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.160
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.506
_exptl_crystal_size_mid          0.326
_exptl_crystal_size_min          0.186
_refine_diff_density_max         0.768
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     385
_refine_ls_number_reflns         7436
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0836
_refine_ls_R_factor_gt           0.0616
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+1.4268P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1614
_refine_ls_wR_factor_ref         0.1872
_reflns_number_gt                5481
_reflns_number_total             7436
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ma8020745_si_001.cif
_cod_data_source_block           s03sad
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1516452