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_4105016
_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_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C46 H92 Fe10 N4 S9 Si8 '
_chemical_formula_sum            'C46 H92 Fe10 N4 S9 Si8'
_chemical_formula_weight         1772.95
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   14.1787(14)
_cell_length_b                   21.225(2)
_cell_length_c                   24.581(2)
_cell_measurement_reflns_used    24482
_cell_measurement_temperature    173.1
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     7397.5(12)
_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 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.046
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            60019
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    2.314
_exptl_absorpt_correction_T_max  0.793
_exptl_absorpt_correction_T_min  0.632
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.592
_exptl_crystal_description       block
_exptl_crystal_F_000             3648.00
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.66
_refine_diff_density_min         -1.25
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  7656 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.570(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.980
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     695
_refine_ls_number_reflns         16789
_refine_ls_R_factor_gt           0.0321
_refine_ls_shift/su_max          0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     'w = 1/[1.0000\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0728
_reflns_number_gt                15132
_reflns_number_total             16786
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja9055036_si_002_07.cif
_cod_data_source_block           '__murata50'
_cod_original_cell_volume        7397.3(12)
_cod_original_formula_sum        'C46 H92 Fe10 N4 S9 Si8 '
_cod_database_code               4105016