Lanthanide complexes derived from (R)-1,1'-binaphthyl-2,2'-bis(neopentylamine) – {Li(THF)4}{Ln[(R)-C20H12N2(C10H22)]2} (Ln = Sm, Yb) – novel catalysts for enantioselective intramolecular hydroamination
Collin, Jacqueline; Daran, Jean-Claude; Schulz, Emmanuelle; Trifonov, Alexander; Chemical Communications (Cambridge, United Kingdom)  (2003) 3048–3049; doi:10.1039/b310954b

data_7103914
_publ_section_title
;
 Lanthanide complexes derived from (R)-1,1'-binaphthyl-2,2'-bis(neopentylamine)
 -- {Li(THF)4}{Ln[(R)-C20H12N2(C10H22)]2} (Ln = Sm, Yb) -- novel catalysts
 for enantioselective intramolecular hydroamination
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   24
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              3048
_journal_page_last               3049
_journal_paper_doi               10.1039/b310954b
_journal_year                    2003
_chemical_absolute_configuration rmad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C60 H68 N4 Yb, C16 H32 Li O4 '
_chemical_formula_sum            'C76 H100 Li N4 O4 Yb'
_chemical_formula_weight         1313.58
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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            4
_cell_length_a                   11.0896(6)
_cell_length_b                   24.9395(12)
_cell_length_c                   25.1973(11)
_cell_measurement_reflns_used    10733
_cell_measurement_temperature    180
_cell_measurement_theta_max      26
_cell_measurement_theta_min      3.16
_cell_volume                     6968.8(6)
_computing_cell_refinement       'Crysalis RED 1.69'
_computing_data_collection       'Crysalis CCD 1.69'
_computing_data_reduction        'Crysalis RED 1.69'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1997)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford-Diffraction XCALIBUR'
_diffrn_measurement_method       \w-\f
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0614
_diffrn_reflns_av_sigmaI/netI    0.0586
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            51786
_diffrn_reflns_theta_full        26.06
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.16
_diffrn_standards_decay_%        0.1
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.392
_exptl_absorpt_correction_T_max  0.766
_exptl_absorpt_correction_T_min  0.583
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2756
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.555
_refine_diff_density_min         -0.971
_refine_diff_density_rms         0.072
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.035(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     825
_refine_ls_number_reflns         13753
_refine_ls_number_restraints     982
_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0325
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0292P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0637
_refine_ls_wR_factor_ref         0.0657
_reflns_number_gt                12085
_reflns_number_total             13754
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            b310954b.txt
_cod_data_source_block           3
_cod_original_formula_sum        'C76 H100 Li1 N4 O4 Yb1'
_cod_database_code               7103914