Using Functionalized Silyl Ligands To Suppress Solvent Coordination to Silyl Lanthanide(II) Complexes.
Zitz, Rainer; Hlina, Johann; Aghazadeh Meshgi, Mohammad; Krenn, Heinz; Marschner, Christoph; Szilvási, Tibor; Baumgartner, Judith; Inorganic chemistry  (2017) –; doi:10.1021/acs.inorgchem.7b00420

data_4345676
_publ_section_title
;
 Using Functionalized Silyl Ligands To Suppress Solvent Coordination to
 Silyl Lanthanide(II) Complexes.
;
_journal_name_full               'Inorganic chemistry'
_journal_paper_doi               10.1021/acs.inorgchem.7b00420
_journal_year                    2017
_chemical_formula_sum            'C24 H64 N2 O4 Si8 Yb'
_chemical_formula_weight         842.53
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   constr
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 121.406(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   17.833(3)
_cell_length_b                   10.295(3)
_cell_length_c                   13.216(3)
_cell_measurement_reflns_used    7487
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      52.514
_cell_measurement_theta_min      4.626
_cell_volume                     2070.9(8)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'SMART APEX''
_diffrn_measurement_method       '\w scans'
_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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0436
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8284
_diffrn_reflns_theta_full        26.35
_diffrn_reflns_theta_max         26.35
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    2.517
_exptl_absorpt_correction_T_max  0.8240
_exptl_absorpt_correction_T_min  0.6600
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_platon_squeeze_details
;
;
_refine_diff_density_max         2.863
_refine_diff_density_min         -1.804
_refine_diff_density_rms         0.345
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.448(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         4085
_refine_ls_number_restraints     22
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0659
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1402P)^2^+13.3813P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1769
_refine_ls_wR_factor_ref         0.1769
_reflns_number_gt                4084
_reflns_number_total             4085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic7b00420_si_002.cif
_cod_data_source_block           22_1191j
_cod_original_cell_volume        2071.0(9)
_cod_original_sg_symbol_H-M      C2
_cod_database_code               4345676