Aminolysis of Bis[bis(trimethylsilyl)amido]iron and -cobalt as a Versatile Route to N-Heterocyclic Carbene Complexes
Danopoulos, Andreas A.; Braunstein, Pierre; Stylianides, Neoklis; Wesolek, Marcel; Organometallics 30 (2011) 6514–; doi:10.1021/om200951m

data_4065545
_publ_section_title
;
 Aminolysis of Bis[bis(trimethylsilyl)amido]iron and -cobalt as a
 Versatile Route to N-Heterocyclic Carbene Complexes
;
_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              6514
_journal_paper_doi               10.1021/om200951m
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C35 H56 Cl Fe N3 Si2'
_chemical_formula_weight         666.31
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 96.8560(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.3055(4)
_cell_length_b                   12.5893(3)
_cell_length_c                   37.1204(8)
_cell_measurement_reflns_used    60946
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     8029.4(3)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    ORTEP
_computing_publication_material  PLATON
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type
'Bruker-Nonius Roper CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0625
_diffrn_reflns_av_sigmaI/netI    0.0744
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            67293
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    0.526
_exptl_absorpt_correction_T_max  0.8796
_exptl_absorpt_correction_T_min  0.8580
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            'Clear Light Yellow'
_exptl_crystal_density_diffrn    1.102
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Cut Block'
_exptl_crystal_F_000             2864
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.010
_refine_diff_density_min         -0.639
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     806
_refine_ls_number_reflns         18262
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.1107
_refine_ls_R_factor_gt           0.0681
_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^)+(0.1051P)^2^+5.2848P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1828
_refine_ls_wR_factor_ref         0.2080
_reflns_number_gt                11956
_reflns_number_total             18262
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om200951m_si_002.cif
_cod_data_source_block           complex2b
_cod_original_sg_symbol_H-M      P21/n
_cod_depositor_comments
;

2025-11-10
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C70 H112 Cl2 Fe2 N6 Si4'
_cod_original_formula_weight         1332.62
_cod_original_formula_units_Z            4
_cod_database_code               4065545