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

data_4071351
_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         'C27 H40 Cl2 N4 Ti'
_chemical_formula_sum            'C27 H40 Cl2 N4 Ti'
_chemical_formula_weight         539.40
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   16.2363(6)
_cell_length_b                   17.0367(7)
_cell_length_c                   43.7810(17)
_cell_measurement_reflns_used    9879
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      25.53
_cell_measurement_theta_min      2.90
_cell_measurement_wavelength     0.71073
_cell_volume                     12110.4(8)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0437
_diffrn_reflns_av_unetI/netI     0.0295
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       53
_diffrn_reflns_limit_l_min       -53
_diffrn_reflns_number            95537
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    0.48
_exptl_absorpt_correction_T_max  0.933
_exptl_absorpt_correction_T_min  0.878
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        [c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.183
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4576
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.616
_refine_diff_density_min         -0.566
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     631
_refine_ls_number_reflns         11491
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0763
_refine_ls_R_factor_gt           0.0546
_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^)+(0.0347P)^2^+19.7896P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1201
_refine_ls_wR_factor_ref         0.1301
_reflns_number_gt                8723
_reflns_number_total             11491
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om800121g-file001.cif
_cod_data_source_block           (3e)
_cod_database_code               4071351