Piano-Stool Iron(II) Complexes as Probes for the Bonding ofN-Heterocyclic Carbenes: Indications for π-Acceptor Ability
Mercs, Laszlo; Labat, Gaël; Neels, Antonia; Ehlers, Andreas; Albrecht, Martin; Organometallics 25 (2006) 5648–; doi:10.1021/om060637c

data_4074431
_publ_section_title
;
 Piano-Stool Iron(II) Complexes as Probes for the Bonding ofN-Heterocyclic
 Carbenes:&#x00A0; Indications for \p-Acceptor Ability
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              5648
_journal_paper_doi               10.1021/om060637c
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C16 H16 Fe I N3 O'
_chemical_formula_weight         449.07
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.607(3)
_cell_length_b                   17.019(5)
_cell_length_c                   13.356(3)
_cell_measurement_reflns_used    7846
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.61
_cell_measurement_theta_min      1.94
_cell_volume                     3320.3(14)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_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  0.0609
_diffrn_reflns_av_sigmaI/netI    0.0751
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11108
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    2.772
_exptl_absorpt_correction_T_max  0.500
_exptl_absorpt_correction_T_min  0.402
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULABS, (PLATON03, Speck, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.797
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1760
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.668
_refine_diff_density_min         -1.261
_refine_diff_density_rms         0.126
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.927
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         5268
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.927
_refine_ls_R_factor_all          0.0633
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0593P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1026
_refine_ls_wR_factor_ref         0.1073
_reflns_number_gt                4025
_reflns_number_total             5268
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060637csi20060831_125154.cif
_cod_data_source_block           compound8a
_cod_database_code               4074431