Edge-Bridged Mo2Fe6S8 to PN-Type Mo2Fe6S9 Cluster Conversion: Structural Fate of the Attacking Sulfide/Selenide Nucleophile
Curtis P. Berlinguette; R. H. Holm; Journal of the American Chemical Society 128 (2006) 11993–12000; doi:10.1021/ja063604x

data_4110858
_publ_contact_author_address
;
      Department of Chemistry and Chemical Biology
      Harvard University
      12 Oxford Street
      Cambridge, MA 02138
      USA
;
_publ_contact_author_email       holm@chemistry.harvard.edu
_publ_contact_author_fax         '617 496-9289'
_publ_contact_author_name        'Richard H. Holm'
_publ_contact_author_phone       '617 495-0853'
_publ_section_title
;
 Edge-Bridged Mo2Fe6S8 to PN-Type Mo2Fe6S9 Cluster Conversion: Structural
 Fate of the Attacking Sulfide/Selenide Nucleophile
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11993
_journal_page_last               12000
_journal_paper_doi               10.1021/ja063604x
_journal_volume                  128
_journal_year                    2006
_chemical_formula_moiety         'C92 H164 B4 Fe12 Mo4 N37 S20'
_chemical_formula_sum            'C92 H164 B4 Fe12 Mo4 N37 S20'
_chemical_formula_weight         3527.0
_chemical_name_common            (Et4N)5[8].8MeCN
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           41
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'A 2 -2ab'
_symmetry_space_group_name_H-M   'A b a 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   36.478(9)
_cell_length_b                   26.208(7)
_cell_length_c                   16.165(6)
_cell_measurement_reflns_used    17421
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      27.551
_cell_measurement_theta_min      2.233
_cell_volume                     15454(8)
_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      193(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1168
_diffrn_reflns_av_sigmaI/netI    0.1061
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            17421
_diffrn_reflns_theta_full        17.23
_diffrn_reflns_theta_max         17.23
_diffrn_reflns_theta_min         1.12
_exptl_absorpt_coefficient_mu    1.719
_exptl_absorpt_correction_T_max  0.8334
_exptl_absorpt_correction_T_min  0.6831
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.506
_exptl_crystal_F_000             7084
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.904
_refine_diff_density_min         -0.593
_refine_diff_density_rms         0.142
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.13(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.156
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     454
_refine_ls_number_reflns         4212
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.156
_refine_ls_R_factor_all          0.1042
_refine_ls_R_factor_gt           0.0878
_refine_ls_shift/su_max          0.121
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0834P)^2^+403.0166P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1968
_refine_ls_wR_factor_ref         0.2046
_reflns_number_gt                3496
_reflns_number_total             4212
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja063604xsi20060523_110500_5.cif
_cod_data_source_block           compound8
_cod_database_code               4110858