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_4068739
_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_absolute_configuration rm
_chemical_formula_moiety         'C16 H20 N2'
_chemical_formula_sum            'C16 H20 N2'
_chemical_formula_weight         240.34
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.8440(5)
_cell_length_b                   11.8553(5)
_cell_length_c                   19.7943(11)
_cell_measurement_reflns_used    5754
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      2.0
_cell_volume                     2779.4(2)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0506
_diffrn_reflns_av_sigmaI/netI    0.0323
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            26336
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.9879
_exptl_absorpt_correction_T_min  0.9826
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.155
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'None, Friedel Pairs merged'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         3709
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0443
_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^)+(0.0560P)^2^+0.2165P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1029
_refine_ls_wR_factor_ref         0.1044
_reflns_number_gt                3535
_reflns_number_total             3709
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om801061v_si_001.cif
_cod_data_source_block           compound2
_cod_database_code               4068739