Imidazolin-2-iminato titanium complexes: synthesis, structure and use in ethylene polymerization catalysis.
Tamm, Matthias; Randoll, Sören; Herdtweck, Eberhardt; Kleigrewe, Nina; Kehr, Gerald; Erker, Gerhard; Rieger, Bernhard; Dalton transactions (Cambridge, England : 2003)  (2006) 459–467; doi:10.1039/b511752f

data_7006527
_publ_section_title
;
 Imidazolin-2-iminato titanium complexes: synthesis, structure and use
 in ethylene polymerization catalysis.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              459
_journal_page_last               467
_journal_paper_doi               10.1039/b511752f
_journal_year                    2006
_chemical_formula_moiety         'C20 H33 Cl2 N3 Ti'
_chemical_formula_sum            'C20 H33 Cl2 N3 Ti'
_chemical_formula_weight         434.26
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_cell_angle_alpha                90
_cell_angle_beta                 104.3295(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.8141(1)
_cell_length_b                   17.2213(2)
_cell_length_c                   15.1835(2)
_cell_measurement_reflns_used    4257
_cell_measurement_temperature    173(1)
_cell_measurement_theta_max      25.39
_cell_measurement_theta_min      1.82
_cell_volume                     2233.00(5)
_computing_cell_refinement       'DENZO (Nonius, 2001b)'
_computing_data_collection       'Kappa-CCD Control Software (Nonius, 2001a)'
_computing_data_reduction        'DENZO (Nonius, 2001b)'
_computing_molecular_graphics    'PLATON (Spek, 2001)'
_computing_publication_material  'PLATON (Spek, 2001)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1998)'
_computing_structure_solution    'SIR92 (Altomare, 1994)'
_diffrn_ambient_temperature      173(1)
_diffrn_detector                 ' CCD plate '
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Nonius \k-CCD diffractometer'
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'NONIUS FR 591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.068
_diffrn_reflns_av_sigmaI/netI    0.0283
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            54591
_diffrn_reflns_theta_full        25.39
_diffrn_reflns_theta_max         25.39
_diffrn_reflns_theta_min         1.82
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.632
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.766
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'(applied during the scaling procedure; Nonius, 2001b)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.292
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       needle
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.743
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4107
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(Fo^2^)+(0.0285P)^2^+2.5227P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0916
_reflns_number_gt                3530
_reflns_number_total             4107
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b511752f.txt
_cod_data_source_block           RANK-4437-173
_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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7006527