Synthesis, structure, and catalytic activity of titanium complexes with chiral biaryl Schiff-base ligands
Liang Chen; Ning Zhao; Qiuwen Wang; Guohua Hou; Haibin Song; Guofu Zi; Inorganica Chimica Acta 402 (2013) 140–155; doi:

data_1517136
_publ_section_title
;
 Synthesis, structure, and catalytic activity of titanium complexes with
 chiral biaryl Schiff-base ligands
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              140
_journal_page_last               155
_journal_volume                  402
_journal_year                    2013
_chemical_formula_moiety         'C62 H50 N2 O4 Ti'
_chemical_formula_sum            'C62 H50 N2 O4 Ti'
_chemical_formula_weight         934.94
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.4870(12)
_cell_length_b                   18.2500(16)
_cell_length_c                   26.636(2)
_cell_measurement_reflns_used    19159
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      1.70
_cell_volume                     6556.1(10)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r2'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r2 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r2'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Saturn724 CCD camera'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0381
_diffrn_reflns_av_sigmaI/netI    0.0432
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            48341
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         1.53
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.169
_exptl_absorpt_correction_T_max  0.9605
_exptl_absorpt_correction_T_min  0.9478
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   CrystaClear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.947
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1960
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.255
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.049(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.123
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     628
_refine_ls_number_reflns         15524
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.123
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0484
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0748P)^2^+0.8807P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1413
_refine_ls_wR_factor_ref         0.1452
_reflns_number_gt                14499
_reflns_number_total             15524
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2013-402-140-155-3.cif
_cod_data_source_block           compound16
_cod_database_code               1517136