Sulfur Oxygenates of Biomimetics of the Diiron Subsite of the [FeFe]-Hydrogenase Active Site: Properties and Oxygen Damage Repair Possibilities
Tianbiao Liu; Bin Li; Michael L. Singleton; Michael B. Hall; Marcetta Y. Darensbourg; Journal of the American Chemical Society 131 (2009) 8296–8307; doi:10.1021/ja9016528

data_4104536
_publ_contact_author
; 
Tianbiao Leo Liu 
Texas A&M University 
Department of CHemistry 
College Station, TX, 77840 
USA 
;
_publ_contact_author_email       tliu@mail.chem.tamu.edu
_publ_section_title
;
 Sulfur Oxygenates of Biomimetics of the Diiron Subsite of the
 [FeFe]-Hydrogenase Active Site: Properties and Oxygen Damage Repair
 Possibilities
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8296
_journal_page_last               8307
_journal_paper_doi               10.1021/ja9016528
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C13 H25 Fe2 O5.5 P2 S2'
_chemical_formula_weight         507.09
_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                 104.732(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.590(2)
_cell_length_b                   9.4714(10)
_cell_length_c                   22.335(2)
_cell_measurement_reflns_used    5578
_cell_measurement_temperature    106(2)
_cell_measurement_theta_max      63.14
_cell_measurement_theta_min      5.10
_cell_volume                     4212.5(7)
_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      106(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1307
_diffrn_reflns_av_sigmaI/netI    0.1577
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            32656
_diffrn_reflns_theta_full        63.08
_diffrn_reflns_theta_max         63.08
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    14.539
_exptl_absorpt_correction_T_max  0.6301
_exptl_absorpt_correction_T_min  0.3892
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2006)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.599
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2088
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.853
_refine_diff_density_min         -0.948
_refine_diff_density_rms         0.139
_refine_ls_extinction_coef       0.00061(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     422
_refine_ls_number_reflns         6465
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0931
_refine_ls_R_factor_gt           0.0589
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1302
_refine_ls_wR_factor_ref         0.1493
_reflns_number_gt                4716
_reflns_number_total             6465
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja9016528_si_005.cif
_cod_data_source_block           data
_cod_original_cell_volume        4212.6(7)
_cod_original_formula_sum        'C13 H25 Fe2 O5.50 P2 S2'
_cod_database_code               4104536