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_7005560
_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            'C50 H68 Cl2 Li N4 O4 Yb'
_chemical_formula_weight         1039.96
_chemical_name_systematic
;
?
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      18
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_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                   21.976(4)
_cell_length_b                   22.716(5)
_cell_length_c                   9.944(2)
_cell_measurement_temperature    200(2)
_cell_volume                     4964.1(17)
_computing_cell_refinement       'STOE X-AREA, PLATON (A.L.Spek, 2005)'
_computing_data_reduction        'STOE X-RED, PLATON (A.L.Spek, 2005)'
_computing_molecular_graphics    'Diamond 2.1e'
_computing_publication_material  'X-STEP32, Microsoft Word'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'STOE IPDS 2T'
_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  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            31215
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.72
_exptl_absorpt_coefficient_mu    2.037
_exptl_absorpt_correction_T_max  0.7816
_exptl_absorpt_correction_T_min  0.5907
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'STOE X-RED & X-SHAPE'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.392
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             2140
_exptl_crystal_size_max          0.700
_exptl_crystal_size_mid          0.467
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.885
_refine_diff_density_min         -0.885
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.005(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         8744
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.200
_refine_ls_shift/su_mean         0.008
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0465P)^2^+8.1078P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0856
_refine_ls_wR_factor_ref         0.0882
_reflns_number_gt                7829
_reflns_number_total             8744
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b703020g.txt
_cod_data_source_block           6
_cod_original_cell_volume        4964.0(17)
_cod_database_code               7005560