Chiral bridged aminotroponiminate complexes of the lanthanides.
Meyer, Nils; Roesky, Peter W.; Dalton transactions (Cambridge, England : 2003)  (2007) 2652–2657; doi:10.1039/b703020g

data_7005555
_publ_section_title
;
 Chiral bridged aminotroponiminate complexes of the lanthanides.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2652
_journal_page_last               2657
_journal_paper_doi               10.1039/b703020g
_journal_year                    2007
_chemical_absolute_configuration rmad
_chemical_formula_sum            'C42 H52 Li2 N4 O2'
_chemical_formula_weight         658.76
_chemical_name_systematic
;
?
;
_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            4
_cell_length_a                   9.581(3)
_cell_length_b                   10.365(3)
_cell_length_c                   38.296(12)
_cell_measurement_temperature    133(2)
_cell_volume                     3803(2)
_computing_molecular_graphics    'Diamond 2.1e'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker Smart 1000 CCD'
_diffrn_measurement_method       'area detector'
_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  0.0745
_diffrn_reflns_av_sigmaI/netI    0.0606
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            30788
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         1.06
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.753247
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.151
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       neeldes
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.375
_refine_diff_density_min         -0.270
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.5(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     455
_refine_ls_number_reflns         6683
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0794
_refine_ls_R_factor_gt           0.0598
_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^)+(0.0429P)^2^+2.9638P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1246
_refine_ls_wR_factor_ref         0.1326
_reflns_number_gt                5382
_reflns_number_total             6683
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b703020g.txt
_cod_data_source_block           1a
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7005555