Titanium Hydrazido and Imido Complexes: Synthesis, Structure, Reactivity, and Relevance to Alkyne Hydroamination
Yahong Li; Yanhui Shi; Aaron L. Odom; Journal of the American Chemical Society 126 (2004) 1794–1803; doi:10.1021/ja038320g

data_4112198
_publ_section_title
;
 Titanium Hydrazido and Imido Complexes: Synthesis, Structure, Reactivity,
 and Relevance to Alkyne Hydroamination
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1794
_journal_page_last               1803
_journal_paper_doi               10.1021/ja038320g
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C42 H56 N8 O4 Ti2'
_chemical_formula_weight         832.75
_chemical_name_common            Ti(NPh)(DME)(dpma)
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 99.86(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.160(3)
_cell_length_b                   18.584(5)
_cell_length_c                   12.825(4)
_cell_measurement_temperature    293(2)
_cell_volume                     2150.9(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0546
_diffrn_reflns_av_sigmaI/netI    0.0518
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9576
_diffrn_reflns_theta_full        23.28
_diffrn_reflns_theta_max         23.28
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.421
_exptl_absorpt_correction_T_max  0.8779
_exptl_absorpt_correction_T_min  0.6151
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_description       plate
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.436
_refine_diff_density_min         -0.345
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.0006(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         3079
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0623
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0608P)^2^+0.4983P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1089
_refine_ls_wR_factor_ref         0.1182
_reflns_number_gt                2254
_reflns_number_total             3079
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja038320gsi20030908_023011_2.cif
_cod_data_source_block           alo6
_cod_original_cell_volume        2151.0(10)
_cod_database_code               4112198