Elucidation of Substituent Effects in the Polymerization of Propylene Promoted by Titanium Amidinates
Aharonovich, Sinai; Botoshansky, Mark; Balazs, Yael S.; Eisen, Moris S.; Organometallics 31 (2012) 3435–; doi:10.1021/om300068w

data_4078050
_publ_section_title
;
 Elucidation of Substituent Effects in the Polymerization of Propylene
 Promoted by Titanium Amidinates
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              3435
_journal_paper_doi               10.1021/om300068w
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C34 H62 Cl2 N4 Si4 Ti'
_chemical_formula_weight         758.04
_chemical_name_common            'Moris-75 (Sinay)'
_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                 92.10(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.879(4)
_cell_length_b                   8.790(2)
_cell_length_c                   24.641(5)
_cell_measurement_reflns_used    21998
_cell_measurement_temperature    230(2)
_cell_measurement_theta_max      25.18
_cell_measurement_theta_min      1.64
_cell_volume                     4302.8(16)
_computing_cell_refinement       'DENZO SMN (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius, 2001)'
_computing_data_reduction        'DENZO SMN (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      230(1)
_diffrn_measured_fraction_theta_full 0.951
_diffrn_measured_fraction_theta_max 0.951
_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  0.0534
_diffrn_reflns_av_sigmaI/netI    0.0782
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            21998
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.53
_exptl_absorpt_coefficient_mu    0.461
_exptl_absorpt_correction_T_max  0.9773
_exptl_absorpt_correction_T_min  0.9134
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1624
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.230
_refine_diff_density_min         -0.316
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.948
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         3620
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.948
_refine_ls_R_factor_all          0.0931
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0435P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0886
_refine_ls_wR_factor_ref         0.1002
_reflns_number_gt                2205
_reflns_number_total             3620
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300068w_si_002.cif
_cod_data_source_block           moris75
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4078050