Synthesis, structures and electrochemistry studies of 2Fe2S-Fe(ii)(S-2N)(2) models for H-cluster of [FeFe]-hydrogenase.
Hu, Ming-Qiang; Wen, Hui-Min; Ma, Cheng-Bing; Li, Na; Yan, Qing-Yun; Chen, Hui; Chen, Chang-Neng; Dalton transactions (Cambridge, England : 2003) 39 (2010) 9484–9486; doi:10.1039/c0dt00505c

data_7026550
_publ_section_title
;
 Synthesis, structures and electrochemistry studies of
 2Fe2S-Fe(ii)(S-2N)(2) models for H-cluster of [FeFe]-hydrogenase.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9484
_journal_page_last               9486
_journal_paper_doi               10.1039/c0dt00505c
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C32 H30 Fe4 N4 Ni O10 S6'
_chemical_formula_sum            'C32 H30 Fe4 N4 Ni O10 S6'
_chemical_formula_weight         1105.07
_chemical_name_common
;
bis-((pentacarbonylpropanedithiolatodiiron)-
sulfanylpropyliminomethylpyridine) nickel(ii)
;
_chemical_name_systematic
;
bis-[(pentacarbonylpropanedithiolatodiiron)-sulfanylpropyliminomethylpyridine]
nickel(ii)
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 112.275(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.100(6)
_cell_length_b                   10.429(3)
_cell_length_c                   24.241(7)
_cell_measurement_reflns_used    8424
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.0588
_cell_volume                     4702(2)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  'SHELXTL (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device
;
Mercury70 (2x2 bin mode)
;
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0403
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            35264
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    1.915
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7603
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.561
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             2232
_exptl_crystal_size_max          0.3000
_exptl_crystal_size_mid          0.2500
_exptl_crystal_size_min          0.1000
_platon_squeeze_details
;
;
_refine_diff_density_max         0.413
_refine_diff_density_min         -0.341
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.132
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     514
_refine_ls_number_reflns         10722
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_all          0.0809
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0528P)^2^+0.7292P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1313
_reflns_number_gt                7750
_reflns_number_total             10722
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00505c.txt
_cod_data_source_block           B2
_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 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_Hall     -P2yn
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7026550