Complexes of Iron(II) and Iron(III) Containing Aryl-Substituted N-Heterocyclic Carbene Ligands
Przyojski, Jacob A.; Arman, Hadi D.; Tonzetich, Zachary J.; Organometallics 31 (2012) 3264–; doi:10.1021/om300106u

data_4078092
_publ_section_title
;
 Complexes of Iron(II) and Iron(III) Containing Aryl-Substituted
 N-Heterocyclic Carbene Ligands
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              3264
_journal_paper_doi               10.1021/om300106u
_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         735.59
_chemical_name_systematic
;
<b>[FeCl~2~(IMes)~2~]</b>  
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                79.379(15)
_cell_angle_beta                 79.588(17)
_cell_angle_gamma                70.281(15)
_cell_formula_units_Z            2
_cell_length_a                   9.7324(19)
_cell_length_b                   10.672(2)
_cell_length_c                   19.838(5)
_cell_measurement_reflns_used    6097
_cell_measurement_temperature    98(2)
_cell_measurement_theta_max      40.2
_cell_measurement_theta_min      2.0
_cell_volume                     1890.7(7)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r3 (Rigaku, 2009)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r3 (Rigaku, 2009)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r3 (Rigaku, 2009)
;
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      98(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type
;
Saturn724 (2x2 bin mode)
;
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0635
_diffrn_reflns_av_sigmaI/netI    0.0802
_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            13795
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.05
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.575
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.63
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Higashi, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.292
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.403
_refine_diff_density_min         -0.440
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     454
_refine_ls_number_reflns         7000
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.0668
_refine_ls_R_factor_gt           0.0524
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0100P)^2^+3.3000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1036
_refine_ls_wR_factor_ref         0.1128
_reflns_number_gt                5686
_reflns_number_total             7000
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300106u_si_002.cif
_cod_data_source_block           cd0875a
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4078092