Synthesis, Structures, and Electronic Properties of [8Fe-7S] Cluster Complexes Modeling the Nitrogenase P-Cluster
Yasuhiro Ohki; Motosuke Imada; Ayuro Murata; Yusuke Sunada; Shun Ohta; Masaru Honda; Takahiro Sasamori; Norihiro Tokitoh; Motomi Katada; Kazuyuki Tatsumi; Journal of the American Chemical Society 131 (2009) 13168–13178; doi:10.1021/ja9055036

data_4105017
_publ_section_title
;
 Synthesis, Structures, and Electronic Properties of [8Fe-7S] Cluster
 Complexes Modeling the Nitrogenase P-Cluster
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13168
_journal_page_last               13178
_journal_paper_doi               10.1021/ja9055036
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C52 H116 Fe8 N6 S11 Si8 '
_chemical_formula_sum            'C52 H116 Fe8 N6 S11 Si8'
_chemical_formula_weight         1849.65
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90.0000
_cell_angle_beta                 93.707(15)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   19.453(10)
_cell_length_b                   21.971(7)
_cell_length_c                   20.098(8)
_cell_measurement_reflns_used    592
_cell_measurement_temperature    173.1
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     8572(6)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  CRYSTALS
_computing_structure_solution    SIR97
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.037
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            69319
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    1.727
_exptl_absorpt_correction_T_max  0.917
_exptl_absorpt_correction_T_min  0.811
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.433
_exptl_crystal_description       block
_exptl_crystal_F_000             3864.00
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.73
_refine_diff_density_min         -0.69
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.920
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     882
_refine_ls_number_reflns         19294
_refine_ls_R_factor_gt           0.0494
_refine_ls_shift/su_max          0.0009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[0.0033Fo^2^ + 1.1000\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1573
_reflns_number_gt                15451
_reflns_number_total             19294
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja9055036_si_002_08.cif
_cod_data_source_block           '_Fe8S7(SBtp)2'
_cod_original_formula_sum        'C52 H116 Fe8 N6 S11 Si8 '
_cod_database_code               4105017