Steric control on the redox chemistry of (η(5)-C(9)H(7))(2)Yb(II)(THF)(2) by 6-aryl substituted iminopyridines.
Trifonov, Alexander A.; Shestakov, Boris G.; Gudilenkov, Ivan D.; Fukin, Georgy K.; Giambastiani, Giuliano; Bianchini, Claudio; Rossin, Andrea; Luconi, Lapo; Filippi, Jonathan; Sorace, Lorenzo; Dalton transactions (Cambridge, England : 2003) 40 (2011) 10568–10575; doi:10.1039/c1dt10135h

data_7016602
_publ_section_title
;
 Steric control on the redox chemistry of
 (\h(5)-C(9)H(7))(2)Yb(II)(THF)(2) by 6-aryl substituted
 iminopyridines.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10568
_journal_page_last               10575
_journal_paper_doi               10.1039/c1dt10135h
_journal_volume                  40
_journal_year                    2011
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C40 H38 N2 S Yb, C7 H8'
_chemical_formula_sum            'C47 H46 N2 S Yb'
_chemical_formula_weight         843.96
_space_group_IT_number           33
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-12-20T13:11:29-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.6885(7)
_cell_length_b                   10.4564(3)
_cell_length_c                   15.6524(5)
_cell_measurement_temperature    100(2)
_cell_volume                     3877.0(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0168
_diffrn_reflns_av_unetI/netI     0.0249
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            31999
_diffrn_reflns_theta_full        26
_diffrn_reflns_theta_max         26
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    2.501
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.446
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         1.41
_refine_diff_density_min         -0.47
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.020(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     465
_refine_ls_number_reflns         7571
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.019
_refine_ls_R_factor_gt           0.0184
_refine_ls_shift/su_max          0.054
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0219P)^2^+1.5663P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0458
_refine_ls_wR_factor_ref         0.0461
_reflns_number_gt                7371
_reflns_number_total             7571
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10135h.txt
_cod_data_source_block           Yb_2Th
_cod_database_code               7016602