(Cyclopentadienyl)iron(II) Complexes of N-Heterocyclic Carbenes Bearing a Malonate or Imidate Backbone: Synthesis, Structure, and Catalytic Potential in Hydrosilylation
César, Vincent; Misal Castro, Luis C.; Dombray, Thomas; Sortais, Jean-Baptiste; Darcel, Christophe; Labat, Stéphane; Miqueu, Karinne; Sotiropoulos, Jean-Marc; Brousses, Rémy; Lugan, Noël; Lavigne, Guy; Organometallics 32 (2013) 4643–; doi:10.1021/om400625q

data_4081351
_publ_section_title
;
 (Cyclopentadienyl)iron(II) Complexes of N-Heterocyclic Carbenes Bearing a
 Malonate or Imidate Backbone: Synthesis, Structure, and Catalytic
 Potential in Hydrosilylation
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4643
_journal_paper_doi               10.1021/om400625q
_journal_volume                  32
_journal_year                    2013
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C28 H27 Fe N3 O4'
_chemical_formula_sum            'C28 H27 Fe N3 O4'
_chemical_formula_weight         525.38
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_Int_Tables_number      14
_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_date             2012-04-24T15:23:46-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 93.6010(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5746(3)
_cell_length_b                   15.8303(5)
_cell_length_c                   16.3931(6)
_cell_measurement_reflns_used    9774
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      33.42
_cell_measurement_theta_min      2.49
_cell_measurement_wavelength     0.71073
_cell_volume                     2479.78(14)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 2008)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX II'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0287
_diffrn_reflns_av_unetI/netI     0.0105
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            97705
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.4
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.648
_exptl_absorpt_correction_T_max  0.747
_exptl_absorpt_correction_T_min  0.688
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
'SADABS, Sheldrick, Bruker, 2000'
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.352
_refine_diff_density_min         -0.333
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     331
_refine_ls_number_reflns         5064
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0321
_refine_ls_R_factor_gt           0.0278
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0384P)^2^+1.5871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0741
_refine_ls_wR_factor_ref         0.078
_reflns_number_gt                4553
_reflns_number_total             5064
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om400625q_si_002.cif
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_space_group_crystal_system' value 'Monoclinic' changed to
'monoclinic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_database_code               4081351