New Members of a Class of Dinitrosyliron Complexes (DNICs): Interconversion and Spectroscopic Discrimination of the Anionic {Fe(NO)2}9[(NO)2Fe(C3H3N2)2]- and [(NO)2Fe(C3H3N2)(SR)]- (C3H3N2= Deprotonated Imidazole; R =tBu, Et, Ph)
Hsiao-Wen Huang; Chih-Chin Tsou; Ting-Shen Kuo; Wen-Feng Liaw; Inorganic Chemistry 47 (2008) 2196–2204; doi:10.1021/ic702000y

data_4304503
_publ_section_title
;
New Members of a Class of Dinitrosyliron Complexes (DNICs): Interconversion
and Spectroscopic Discrimination of the Anionic
{Fe(NO)2}9[(NO)2Fe(C3H3N2)2]- and [(NO)2Fe(C3H3N2)(SR)]- (C3H3N2=
Deprotonated Imidazole; R =tBu, Et, Ph)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2196
_journal_page_last               2204
_journal_paper_doi               10.1021/ic702000y
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C19 H32 Cl2 Fe N6 Na O8'
_chemical_formula_sum            'C19 H32 Cl2 Fe N6 Na O8'
_chemical_formula_weight         622.25
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2bc 2ac'
_symmetry_space_group_name_H-M   'P c a b'
_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                   13.3352(3)
_cell_length_b                   20.2099(5)
_cell_length_c                   21.6219(6)
_cell_measurement_reflns_used    18298
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.037
_cell_volume                     5827.2(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 19'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0608
_diffrn_reflns_av_sigmaI/netI    0.0545
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            21665
_diffrn_reflns_theta_full        25.37
_diffrn_reflns_theta_max         25.37
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    0.766
_exptl_absorpt_correction_T_max  0.8691
_exptl_absorpt_correction_T_min  0.8076
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 ?
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2584
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.456
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    fixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         5275
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0867
_refine_ls_R_factor_gt           0.0472
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0916P)^2^+1.7202P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1254
_refine_ls_wR_factor_ref         0.1673
_reflns_number_gt                3553
_reflns_number_total             5275
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic702000y-file002.cif
_cod_data_source_block           6842
_cod_database_code               4304503