Synthesis of Group 4 Metal Amides with New Chiral Biaryldiamine-Based Ligands and Their Use as Catalysts for Asymmetric Hydroamination/Cyclization
Zi, Guofu; Liu, Xue; Xiang, Li; Song, Haibin; Organometallics 28 (2009) 1127–; doi:10.1021/om801061v

data_4068743
_publ_section_title
;
 Synthesis of Group 4 Metal Amides with New Chiral Biaryldiamine-Based
 Ligands and Their Use as Catalysts for Asymmetric
 Hydroamination/Cyclization
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              1127
_journal_paper_doi               10.1021/om801061v
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C28 H42 N6 Zr'
_chemical_formula_sum            'C28 H42 N6 Zr'
_chemical_formula_weight         553.90
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 102.170(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8758(13)
_cell_length_b                   16.0956(15)
_cell_length_c                   15.2689(15)
_cell_measurement_reflns_used    6722
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.9
_cell_volume                     2853.0(5)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalClear
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0462
_diffrn_reflns_av_sigmaI/netI    0.0692
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            26947
_diffrn_reflns_theta_full        27.90
_diffrn_reflns_theta_max         27.90
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.412
_exptl_absorpt_correction_T_max  0.9371
_exptl_absorpt_correction_T_min  0.9005
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.502
_refine_diff_density_min         -0.676
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.07(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     651
_refine_ls_number_reflns         13132
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0562
_refine_ls_R_factor_gt           0.0449
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0461P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0957
_refine_ls_wR_factor_ref         0.1020
_reflns_number_gt                10985
_reflns_number_total             13132
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om801061v_si_001.cif
_cod_data_source_block           compound14
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4068743