Three-Coordinate Terminal Imidoiron(III) Complexes: Structure, Spectroscopy, and Mechanism of Formation
Ryan E. Cowley; Nathan J. DeYonker; Nathan A. Eckert; Thomas R. Cundari; Serena DeBeer; Eckhard Bill; Xavier Ottenwaelder; Christine Flaschenriem; Patrick L. Holland; Inorganic Chemistry 49 (2010) 6172–6187; doi:10.1021/ic100846b

data_4315981
_publ_section_title
;
 Three-Coordinate Terminal Imidoiron(III) Complexes: Structure,
 Spectroscopy, and Mechanism of Formation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6172
_journal_page_last               6187
_journal_paper_doi               10.1021/ic100846b
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C39 H56 Fe N3'
_chemical_formula_sum            'C39 H56 Fe N3'
_chemical_formula_weight         622.72
_chemical_name_common            2
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 93.059(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.134(3)
_cell_length_b                   12.925(4)
_cell_length_c                   25.274(8)
_cell_measurement_reflns_used    4029
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      31.86
_cell_measurement_theta_min      2.42
_cell_volume                     3631.9(19)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.0887
_diffrn_reflns_av_sigmaI/netI    0.0686
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            69869
_diffrn_reflns_theta_full        33.14
_diffrn_reflns_theta_max         33.14
_diffrn_reflns_theta_min         1.77
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.444
_exptl_absorpt_correction_T_max  0.9825
_exptl_absorpt_correction_T_min  0.9009
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            yellow-brown
_exptl_crystal_density_diffrn    1.139
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1348
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         13844
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0934
_refine_ls_R_factor_gt           0.0519
_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^+0.3327P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1114
_refine_ls_wR_factor_ref         0.1297
_reflns_number_gt                9096
_reflns_number_total             13844
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100846b_si_001_1.cif
_cod_data_source_block           2
_cod_original_cell_volume        3631.8(19)
_cod_database_code               4315981