Synthesis of Bis(N-heterocyclic carbene) Complexes of Iron(II) and Their Application in Hydrosilylation and Transfer Hydrogenation
Hashimoto, Takayoshi; Urban, Slawomir; Hoshino, Ryoko; Ohki, Yasuhiro; Tatsumi, Kazuyuki; Glorius, Frank; Organometallics 31 (2012) 4474–; doi:10.1021/om300298q

data_4078525
_publ_section_title
;
 Synthesis of Bis(N-heterocyclic carbene) Complexes of Iron(II) and Their
 Application in Hydrosilylation and Transfer Hydrogenation
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              4474
_journal_paper_doi               10.1021/om300298q
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C42 H48 Cl2 Fe N4'
_chemical_formula_sum            'C42 H48 Cl2 Fe N4'
_chemical_formula_weight         735.62
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                79.27(3)
_cell_angle_beta                 79.53(3)
_cell_angle_gamma                69.92(3)
_cell_formula_units_Z            2
_cell_length_a                   9.797(6)
_cell_length_b                   10.669(7)
_cell_length_c                   20.094(13)
_cell_measurement_reflns_used    3167
_cell_measurement_temperature    273
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      3.11
_cell_volume                     1922(2)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      273
_diffrn_detector_area_resol_mean 29.257
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Rigaku Saturn70'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0670
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            18135
_diffrn_reflns_theta_full        25.32
_diffrn_reflns_theta_max         25.32
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.565
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.808
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             776.00
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.430
_refine_diff_density_min         -0.380
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     450
_refine_ls_number_reflns         6870
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0489
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0005P)^2^+1.9000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1050
_reflns_number_gt                4302
_reflns_number_total             6870
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            om300298q_si_001.cif
_cod_data_source_block           1a
_cod_database_code               4078525