A {Fe(NO)3}10 Trinitrosyliron Complex Stabilized by an N-Heterocyclic Carbene and the Cationic and Neutral {Fe(NO)2}9/10 Products of Its NO Release
Chung-Hung Hsieh; Marcetta Y. Darensbourg; Journal of the American Chemical Society 132 (2010) 14118–14125; doi:10.1021/ja104135x

data_4103199
_publ_section_title
;
 A {Fe(NO)3}10 Trinitrosyliron Complex Stabilized by an N-Heterocyclic
 Carbene and the Cationic and Neutral {Fe(NO)2}9/10 Products of Its NO
 Release
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14118
_journal_page_last               14125
_journal_paper_doi               10.1021/ja104135x
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C22 H24 Fe N4 O3'
_chemical_formula_weight         448.30
_chemical_name_systematic
;
 ?
;
_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                78.557(11)
_cell_angle_beta                 87.345(10)
_cell_angle_gamma                69.123(10)
_cell_formula_units_Z            2
_cell_length_a                   7.610(5)
_cell_length_b                   8.319(5)
_cell_length_c                   19.330(12)
_cell_measurement_reflns_used    1403
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      23.4
_cell_measurement_theta_min      4.2
_cell_volume                     1120.3(12)
_computing_cell_refinement       SMART1000
_computing_data_collection       SMART1000
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       Omega
_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  0.1410
_diffrn_reflns_av_sigmaI/netI    0.1007
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10756
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.47
_exptl_absorpt_coefficient_mu    0.702
_exptl_absorpt_correction_T_max  0.9331
_exptl_absorpt_correction_T_min  0.8170
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'brown '
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'needle     '
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.396
_refine_diff_density_min         -0.571
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         3879
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0723
_refine_ls_R_factor_gt           0.0466
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0539P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0978
_refine_ls_wR_factor_ref         0.1131
_reflns_number_gt                2714
_reflns_number_total             3879
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja104135x_si_004.cif
_cod_data_source_block           fem
_cod_database_code               4103199