Preparation and structures of aryloxy- and alkoxy-Ti(iv) complexes and their evaluation in ethylene oligomerisation and polymerisation.
Suttil, James A.; McGuinness, David S.; Pichler, Markus; Gardiner, Michael G.; Morgan, David H.; Evans, Stephen J.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 6625–6633; doi:10.1039/c2dt11737a

data_7019067
_publ_section_title
;
 Preparation and structures of aryloxy- and alkoxy-Ti(iv) complexes and
 their evaluation in ethylene oligomerisation and polymerisation.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6625
_journal_page_last               6633
_journal_paper_doi               10.1039/c2dt11737a
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C20 H25 Cl3 O4 Ti'
_chemical_formula_sum            'C20 H25 Cl3 O4 Ti'
_chemical_formula_weight         483.65
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 95.988(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.713(5)
_cell_length_b                   12.471(5)
_cell_length_c                   18.199(6)
_cell_measurement_reflns_used    20318
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.60
_cell_measurement_theta_min      1.95
_cell_volume                     2192.4(16)
_computing_cell_refinement       XDS
_computing_data_collection       BLU-ICE
_computing_data_reduction        XDS
_computing_molecular_graphics
;
'X-SEED (Barbour, 2008) and ORTEPIII (Farrugia, 1998)'
;
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 'ADSC Q315'
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  '3-ID1 Australian Synchrotron'
_diffrn_measurement_method       Rotation
_diffrn_radiation_monochromator  Si<111>
_diffrn_radiation_source         'Synchrotron ID'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.70000
_diffrn_reflns_av_R_equivalents  0.1065
_diffrn_reflns_av_sigmaI/netI    0.0650
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            44892
_diffrn_reflns_theta_full        30.60
_diffrn_reflns_theta_max         30.60
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.779
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         2.248
_refine_diff_density_min         -0.780
_refine_diff_density_rms         0.162
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         6801
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.1102
_refine_ls_R_factor_gt           0.0860
_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^)+(0.1804P)^2^+0.6882P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2353
_refine_ls_wR_factor_ref         0.2552
_reflns_number_gt                5004
_reflns_number_total             6801
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt11737a.txt
_cod_data_source_block           d:\as10js5
_cod_original_cell_volume        2192.4(15)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7019067