Di/mono-nuclear iron(I)/(II) complexes as functional models for the 2Fe2S subunit and distal Fe moiety of the active site of [FeFe] hydrogenases: protonations, molecular structures and electrochemical properties.
Gao, Shang; Fan, Jiangli; Sun, Shiguo; Song, Fengling; Peng, Xiaojun; Duan, Qian; Jiang, Dayong; Liang, Qingcheng; Dalton transactions (Cambridge, England : 2003) 41 (2012) 12064–12074; doi:10.1039/c2dt30934c

data_7020186
_publ_section_title
;
 Di/mono-nuclear iron(I)/(II) complexes as functional models for the 2Fe2S
 subunit and distal Fe moiety of the active site of [FeFe] hydrogenases:
 protonations, molecular structures and electrochemical properties.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12064
_journal_page_last               12074
_journal_paper_doi               10.1039/c2dt30934c
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C10 H2 Fe2 N2 O6 S2'
_chemical_formula_sum            'C10 H2 Fe2 N2 O6 S2'
_chemical_formula_weight         421.96
_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                 96.2410(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.8035(2)
_cell_length_b                   8.9081(2)
_cell_length_c                   17.0109(3)
_cell_measurement_reflns_used    4940
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      30.60
_cell_measurement_theta_min      2.58
_cell_volume                     1476.77(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0250
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9286
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    2.274
_exptl_absorpt_correction_T_max  0.5788
_exptl_absorpt_correction_T_min  0.3472
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.898
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.59
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.303
_refine_diff_density_min         -0.505
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2885
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0327
_refine_ls_R_factor_gt           0.0278
_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^)+(0.0422P)^2^+0.2030P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0715
_refine_ls_wR_factor_ref         0.0738
_reflns_number_gt                2530
_reflns_number_total             2885
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt30934c.txt
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'P2(1)/c '
_cod_database_code               7020186