Redox and Structural Properties of Mixed-Valence Models for the Active Site of the [FeFe]-Hydrogenase: Progress and Challenges
Aaron K. Justice; Luca De Gioia; Mark J. Nilges; Thomas B. Rauchfuss; Scott R. Wilson; Giuseppe Zampella; Inorganic Chemistry 47 (2008) 7405–7414; doi:10.1021/ic8007552

data_4305822
_publ_contact_author
; 
Scott R. Wilson 
University of Illinois 
School of Chemical Sciences, Box 59-1 
505 South Mathews Avenue 
Urbana, Illinois  61801 
USA 
;
_publ_contact_author_email       srwilson@uiuc.edu
_publ_contact_author_fax         '1  217 244 8068'
_publ_contact_author_phone       '1  217 244 1708'
_publ_section_title
;
Redox and Structural Properties of Mixed-Valence Models for the Active Site
of the [FeFe]-Hydrogenase: Progress and Challenges
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7405
_journal_page_last               7414
_journal_paper_doi               10.1021/ic8007552
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C41 H49 Fe2 O3 P3 S2'
_chemical_formula_sum            'C41 H49 Fe2 O3 P3 S2'
_chemical_formula_weight         858.53
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
; 
2008-03-10   text and data added, akj 
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.1500(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.8458(2)
_cell_length_b                   21.8013(5)
_cell_length_c                   17.0775(3)
_cell_measurement_reflns_used    5900
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      27.80
_cell_measurement_theta_min      2.54
_cell_volume                     4006.62(14)
_computing_cell_refinement       'SAINT V7.23A (Bruker, 2005)'
_computing_data_collection       'APEX2 V2.0-1 (Bruker, 2004)'
_computing_data_reduction
; 
SAINT V7.23A, XPREP V2005/2, SADABS V2007/4, TWINABS V2007/5 
(Bruker, 2005 & 2007) 
;
_computing_molecular_graphics    'SHELXTL V6.12 (Bruker, 2005)'
_computing_publication_material  'XCIF V6.12 (Bruker, 2005)'
_computing_structure_refinement  'SHELXTL V6.12 (Bruker, 2005)'
_computing_structure_solution    'SHELXTL V6.12 (Bruker, 2005)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device       'Bruker Kappa/ApexII CCD'
_diffrn_measurement_method       'profile data from \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_wavelength_id  ga24zas
_diffrn_reflns_av_R_equivalents  0.0479
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            45047
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.986
_exptl_absorpt_correction_T_max  0.9375
_exptl_absorpt_correction_T_min  0.8151
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SHELXTL/XPREP V2005/2 (Bruker, 2005)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.423
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             1792
_exptl_crystal_id                ga24zas
_exptl_crystal_preparation
; 
The data crystal was mounted using oil (Parantone-N, Exxon) to a 
0.3 mm cryo-loop (Hampton Research) with the (1 1 -5) scattering 
planes roughly normal to the spindle axis. 
;
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.431
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     466
_refine_ls_number_reflns         9012
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0427
_refine_ls_R_factor_gt           0.0302
_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^)+(0.0341P)^2^+1.5316P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0696
_refine_ls_wR_factor_ref         0.0756
_reflns_number_gt                7347
_reflns_number_total             9012
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8007552-file002_3.cif
_cod_data_source_block           ga24zas
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_Hall     '-P 2yn '
_cod_original_sg_symbol_H-M      'P 21/n '
_cod_database_code               4305822