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_7005557
_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_moiety         'C38 H44 Cl Er N4 O, 2(C7 H8)'
_chemical_formula_sum            'C52 H60 Cl Er N4 O'
_chemical_formula_weight         959.75
_chemical_name_systematic
;
?
;
_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_date             05-03-02
_audit_creation_method           'STOE X-RED'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0455(2)
_cell_length_b                   19.2532(6)
_cell_length_c                   26.6334(9)
_cell_measurement_temperature    200(2)
_cell_volume                     4638.3(2)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0849
_diffrn_reflns_av_sigmaI/netI    0.0425
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            73070
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.18
_exptl_absorpt_coefficient_mu    1.908
_exptl_absorpt_correction_T_max  0.9378
_exptl_absorpt_correction_T_min  0.5410
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'STOE X-RED & X-SHAPE'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1972
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.234
_exptl_crystal_size_min          0.051
_refine_diff_density_max         1.054
_refine_diff_density_min         -0.734
_refine_diff_density_rms         0.087
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.004(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     443
_refine_ls_number_reflns         10649
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0466
_refine_ls_R_factor_gt           0.0395
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0558P)^2^+1.4277P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0910
_refine_ls_wR_factor_ref         0.0938
_reflns_number_gt                9601
_reflns_number_total             10649
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b703020g.txt
_cod_data_source_block           4a
_cod_database_code               7005557