Mono(imidazolin-2-iminato) Titanium Complexes for Ethylene Polymerization at Low Amounts of Methylaluminoxane
Dana Shoken; Manab Sharma; Mark Botoshansky; Matthias Tamm; Moris S. Eisen; Journal of the American Chemical Society 135 (2013) 12592–12595; doi:10.1021/ja406925z

data_4120411
_publ_section_title
;
 Mono(imidazolin-2-iminato) Titanium Complexes for Ethylene Polymerization
 at Low Amounts of Methylaluminoxane
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12592
_journal_page_last               12595
_journal_paper_doi               10.1021/ja406925z
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C30 H40 Cl3 N3 Ti'
_chemical_formula_weight         596.90
_chemical_name_common            'Moris-212 (Manab)'
_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                92.50(2)
_cell_angle_beta                 95.35(3)
_cell_angle_gamma                112.65(3)
_cell_formula_units_Z            2
_cell_length_a                   9.441(2)
_cell_length_b                   9.489(2)
_cell_length_c                   19.860(4)
_cell_measurement_reflns_used    20370
_cell_measurement_temperature    240(2)
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      2.07
_cell_volume                     1628.7(7)
_computing_cell_refinement       'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius, 2006)'
_computing_data_reduction        'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'TEXSAN  (MSC, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      240(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'phi- and 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  0.0755
_diffrn_reflns_av_sigmaI/netI    0.0743
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            20365
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.07
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.531
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_description       prism
_exptl_crystal_F_000             628
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.697
_refine_diff_density_min         -0.312
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.918
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         5754
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.919
_refine_ls_R_factor_all          0.0977
_refine_ls_R_factor_gt           0.0529
_refine_ls_shift/su_max          0.041
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0950P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1399
_refine_ls_wR_factor_ref         0.1559
_reflns_number_gt                3550
_reflns_number_total             5754
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja406925z_si_004.cif
_cod_data_source_block           Moris-212
_cod_original_cell_volume        1628.7(6)
_cod_database_code               4120411