Lanthanide and group 4 metal complexes with new chiral biaryl-based NNO-donor ligands
Zi, Guofu; Wang, Qiuwen; Xiang, Li; Song, Haibin; Dalton Transactions  (2008) 5930–5944; doi:10.1039/b808238c

data_7004531
_publ_section_title
;
 Lanthanide and group 4 metal complexes with new chiral biaryl-based
 NNO-donor ligands
;
_journal_issue                   43
_journal_name_full               'Dalton Transactions'
_journal_page_first              5930
_journal_page_last               5944
_journal_paper_doi               10.1039/b808238c
_journal_year                    2008
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C70 H84 N5 O2 Si2 Yb'
_chemical_formula_sum            'C70 H84 N5 O2 Si2 Yb'
_chemical_formula_weight         1256.64
_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                   11.7812(5)
_cell_length_b                   13.4201(4)
_cell_length_c                   40.2693(11)
_cell_measurement_reflns_used    12999
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      1.5
_cell_volume                     6366.8(4)
_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 14.63
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0670
_diffrn_reflns_av_sigmaI/netI    0.0840
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       52
_diffrn_reflns_limit_l_min       -53
_diffrn_reflns_number            53730
_diffrn_reflns_theta_full        27.91
_diffrn_reflns_theta_max         27.91
_diffrn_reflns_theta_min         1.60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.554
_exptl_absorpt_correction_T_max  0.7891
_exptl_absorpt_correction_T_min  0.7067
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2612
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.203
_refine_diff_density_min         -1.641
_refine_diff_density_rms         0.166
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.007(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     715
_refine_ls_number_reflns         14944
_refine_ls_number_restraints     60
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0499
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0683P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1157
_refine_ls_wR_factor_ref         0.1404
_reflns_number_gt                14095
_reflns_number_total             14944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b808238c.txt
_cod_data_source_block           9
_cod_database_code               7004531