Synthesis of Amidolanthanides with New Chiral Biaryl-Based NNO Ligands and Their Use as Catalysts for Enantioselective Hydroamination/Cyclization
Qiuwen Wang; Li Xiang; Haibin Song; Guofu Zi; Inorganic Chemistry 47 (2008) 4319–4328; doi:10.1021/ic702461f

data_4304866
_publ_section_title
;
Synthesis of Amidolanthanides with New Chiral Biaryl-Based NNO Ligands and
Their Use as Catalysts for Enantioselective Hydroamination/Cyclization
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4319
_journal_page_last               4328
_journal_paper_doi               10.1021/ic702461f
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C60.50 H78 N6 O2 Si4 Yb2'
_chemical_formula_sum            'C60.5 H78 N6 O2 Si4 Yb2'
_chemical_formula_weight         1379.73
_chemical_name_systematic
; 
 ? 
;
_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                 92.699(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.1906(3)
_cell_length_b                   13.1985(3)
_cell_length_c                   31.1260(8)
_cell_measurement_reflns_used    14823
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.5
_cell_volume                     6233.6(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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0433
_diffrn_reflns_av_sigmaI/netI    0.0809
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            57649
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.52
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.104
_exptl_absorpt_correction_T_max  0.5757
_exptl_absorpt_correction_T_min  0.4367
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2780
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.849
_refine_diff_density_min         -1.437
_refine_diff_density_rms         0.117
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.017(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1377
_refine_ls_number_reflns         29048
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0492
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0183P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0770
_refine_ls_wR_factor_ref         0.0808
_reflns_number_gt                25805
_reflns_number_total             29048
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic702461f-file003_4.cif
_cod_data_source_block           compound8
_cod_original_formula_sum        'C60.50 H78 N6 O2 Si4 Yb2'
_cod_database_code               4304866