Titanium Bis(amidinates) Bearing Electron Donating Pendant Arms as Catalysts for Stereospecific Polymerization of Propylene
Elkin, Tatyana; Botoshansky, Mark; Waymouth, Robert M.; Eisen, Moris S.; Organometallics 33 (2014) 840–; doi:10.1021/om401165g

data_4082427
_publ_section_title
;
 Titanium Bis(amidinates) Bearing Electron Donating Pendant Arms as
 Catalysts for Stereospecific Polymerization of Propylene
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              840
_journal_paper_doi               10.1021/om401165g
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C38 H51 N8 Ti'
_chemical_formula_weight         667.77
_chemical_name_common            'Moris-352( Tatiana)'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 96.9990(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.4164(4)
_cell_length_b                   39.3572(18)
_cell_length_c                   19.0312(8)
_cell_measurement_reflns_used    9856
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      22.00
_cell_measurement_theta_min      2.19
_cell_volume                     7743.9(6)
_computing_cell_refinement       'APEX2 v2010.7-0 (Bruker AXS)'
_computing_data_collection       'Bruker Instrument Service v2010.7.0.0'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_molecular_graphics    'Mercury 2.4'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      250(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.940
_diffrn_measured_fraction_theta_max 0.940
_diffrn_measurement_device_type  'Bruker APEX2 DUO'
_diffrn_measurement_method       \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  0.0389
_diffrn_reflns_av_sigmaI/netI    0.0261
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       43
_diffrn_reflns_limit_k_min       -43
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            49339
_diffrn_reflns_theta_full        23.04
_diffrn_reflns_theta_max         23.04
_diffrn_reflns_theta_min         1.03
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.257
_exptl_absorpt_correction_T_max  0.9601
_exptl_absorpt_correction_T_min  0.9087
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.146
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2856
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.215
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     425
_refine_ls_number_reflns         5115
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0919
_refine_ls_R_factor_gt           0.0719
_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^)+(0.1336P)^2^+18.4393P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2029
_refine_ls_wR_factor_ref         0.2184
_reflns_number_gt                4054
_reflns_number_total             5115
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om401165g_si_003.cif
_cod_data_source_block           Moris-352
_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/current/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      'C 2/c'
_cod_database_code               4082427