Routes to New N-Heterocyclic Carbene Titanium(IV) Imido Complexes
Lorber, Christian; Vendier, Laure; Organometallics 27 (2008) 2774–; doi:10.1021/om800121g

data_4071352
_publ_section_title
;
 Routes to New N-Heterocyclic Carbene Titanium(IV) Imido Complexes
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2774
_journal_paper_doi               10.1021/om800121g
_journal_volume                  27
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C48 H51 Cl4 N5 Ti1'
_chemical_formula_sum            'C48 H51 Cl4 N5 Ti'
_chemical_formula_weight         887.64
_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
_cell_angle_alpha                90
_cell_angle_beta                 89.522(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.2498(9)
_cell_length_b                   14.9309(14)
_cell_length_c                   23.7215(16)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    180
_cell_measurement_theta_max      26.05
_cell_measurement_theta_min      1.65
_cell_measurement_wavelength     0.71073
_cell_volume                     4692.7(6)
_computing_cell_refinement       'Stoe IPDS software (Stoe, 1996)'
_computing_data_collection       'Stoe IPDS software (Stoe, 1996)'
_computing_data_reduction        'XRED (Stoe, 1.08, 1996)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device       'Stoe IPDS'
_diffrn_measurement_method       \f
_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  0.0852
_diffrn_reflns_av_unetI/netI     0.067
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            45892
_diffrn_reflns_theta_full        26.15
_diffrn_reflns_theta_max         26.15
_diffrn_reflns_theta_min         2.19
_diffrn_standards_decay_%        0.1
_diffrn_standards_interval_time  4
_diffrn_standards_number         200
_exptl_absorpt_coefficient_mu    0.448
_exptl_absorpt_correction_T_max  0.9799
_exptl_absorpt_correction_T_min  0.7983
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.275
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.324
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.05
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.903
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     535
_refine_ls_number_reflns         9054
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.903
_refine_ls_R_factor_all          0.0742
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0456P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0811
_refine_ls_wR_factor_ref         0.0919
_reflns_number_gt                5719
_reflns_number_total             9054
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800121g-file001.cif
_cod_data_source_block           (4)
_cod_database_code               4071352