Imidazolin-2-iminato Ligand-Supported Titanium Complexes as Catalysts for the Synthesis of Urea Derivatives.
Naktode, Kishor; Das, Suman; Bhattacharjee, Jayeeta; Nayek, Hari Pada; Panda, Tarun K.; Inorganic chemistry 55 (2016) 1142–1153; doi:10.1021/acs.inorgchem.5b02302

data_4344726
_publ_section_title
;
 Imidazolin-2-iminato Ligand-Supported Titanium Complexes as Catalysts for
 the Synthesis of Urea Derivatives.
;
_journal_issue                   3
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1142
_journal_page_last               1153
_journal_paper_doi               10.1021/acs.inorgchem.5b02302
_journal_volume                  55
_journal_year                    2016
_chemical_formula_sum            'C45 H97 N15 Ti2'
_chemical_formula_weight         944.17
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 120.972(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.7362(14)
_cell_length_b                   15.8393(7)
_cell_length_c                   19.1596(12)
_cell_measurement_reflns_used    11678
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      70.647
_cell_measurement_theta_min      3.662
_cell_volume                     5655.9(8)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Agilent Supernova'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0369
_diffrn_reflns_av_unetI/netI     0.0441
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11678
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         70.647
_diffrn_reflns_theta_min         3.662
_exptl_absorpt_coefficient_mu    2.723
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.109
_exptl_crystal_description       block
_exptl_crystal_F_000             2064
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.753
_refine_diff_density_min         -0.397
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.00079(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         5357
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0446
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0741P)^2^+1.2565P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1237
_refine_ls_wR_factor_ref         0.1307
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4719
_reflns_number_total             5357
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b02302_si_002.cif
_cod_data_source_block           1a
_cod_original_cell_volume        5655.9(7)
_cod_database_code               4344726
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              12570
_shelx_hkl_checksum              9910