Me-Si Bond Cleavage of Anionic Bis(trimethylsilyl)amide in Scorpionate-Anchored Rare Earth Metal Complexes
Weiyin Yi; Jie Zhang; Zhenxia Chen; Xigeng Zhou; Inorganic Chemistry 51 (2012) 10631–10638; doi:10.1021/ic3008552

data_4330587
_publ_section_title
;
 Me-Si Bond Cleavage of Anionic Bis(trimethylsilyl)amide in
 Scorpionate-Anchored Rare Earth Metal Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10631
_journal_page_last               10638
_journal_paper_doi               10.1021/ic3008552
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C69 H126 B2 Er2 N18 Si4'
_chemical_formula_weight         1676.38
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_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 101.077(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.770(9)
_cell_length_b                   13.305(8)
_cell_length_c                   38.14(2)
_cell_measurement_reflns_used    999
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.103
_cell_measurement_theta_min      3.110
_cell_volume                     8351(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0859
_diffrn_reflns_av_sigmaI/netI    0.1138
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            33797
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.09
_exptl_absorpt_coefficient_mu    2.101
_exptl_absorpt_correction_T_max  0.9022
_exptl_absorpt_correction_T_min  0.7434
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_description       sheet
_exptl_crystal_F_000             3472
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.369
_refine_diff_density_min         -2.714
_refine_diff_density_rms         0.208
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     856
_refine_ls_number_reflns         14674
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.119
_refine_ls_R_factor_all          0.1657
_refine_ls_R_factor_gt           0.1238
_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^)+(0.0649P)^2^+347.5318P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3038
_refine_ls_wR_factor_ref         0.3207
_reflns_number_gt                9452
_reflns_number_total             14674
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3008552_si_001_6.cif
_cod_data_source_block           a01112c
_cod_original_cell_volume        8352(8)
_cod_database_code               4330587