Titanium isopropoxide complexes of a series of sterically demanding aryloxo based [N2O2]2- ligands as precatalysts for ethylene polymerization.
Panda, Manas K.; Kaur, Sukhdeep; Reddy, Annapureddy Rajasekhar; Shaikh, Mobin M.; Butcher, Ray J.; Gupta, Virendrakumar; Ghosh, Prasenjit; Dalton transactions (Cambridge, England : 2003) 39 (2010) 11060–11068; doi:10.1039/c0dt00407c

data_7026429
_publ_section_title
;
 Titanium isopropoxide complexes of a series of sterically demanding
 aryloxo based [N2O2]2- ligands as precatalysts for ethylene
 polymerization.
;
_journal_issue                   45
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11060
_journal_page_last               11068
_journal_paper_doi               10.1039/c0dt00407c
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety
;
C52 H70 Cl2 N2 O4 Ti, 1.17(C7 H8), 0.83(C6 H6)
;
_chemical_formula_sum            'C65.17 H84.35 Cl2 N2 O4 Ti'
_chemical_formula_weight         1078.56
_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                 117.09(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.794(5)
_cell_length_b                   20.558(3)
_cell_length_c                   15.600(3)
_cell_measurement_reflns_used    2857
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      32.6133
_cell_measurement_theta_min      2.9653
_cell_volume                     6223(3)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.,'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_molecular_graphics    Ortep3
_computing_publication_material  'SHELXLTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 15.9948
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.909
_diffrn_measurement_device_type  'OXFORD DIFFRACTION XCALIBUR-S'
_diffrn_measurement_method       \w/q-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0677
_diffrn_reflns_av_sigmaI/netI    0.1619
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            30359
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         32.64
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    0.269
_exptl_absorpt_correction_T_max  0.9607
_exptl_absorpt_correction_T_min  0.9407
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.151
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2310
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.709
_refine_diff_density_min         -0.544
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.840
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         10357
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.840
_refine_ls_R_factor_all          0.1501
_refine_ls_R_factor_gt           0.0577
_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^)+(0.0629P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1265
_refine_ls_wR_factor_ref         0.1456
_reflns_number_gt                4430
_reflns_number_total             10357
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c0dt00407c.txt
_cod_data_source_block           pg250
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        6223(2)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7026429