High-Nuclearity Sulfide-Rich Molybdenum-Iron-Sulfur Clusters: Reevaluation and Extension
Hong-Cai Zhou; Weiping Su; Catalina Achim; P. Venkateswara Rao; R. H. Holm; Inorganic Chemistry 41 (2002) 3191–3201; doi:10.1021/ic0201250

data_4318108
_publ_contact_author_email
;
holm@chemistry.harvard.edu
;
_publ_section_title
;
 High-Nuclearity Sulfide-Rich Molybdenum-Iron-Sulfur Clusters:
 Reevaluation and Extension
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3191
_journal_page_last               3201
_journal_paper_doi               10.1021/ic0201250
_journal_volume                  41
_journal_year                    2002
_chemical_formula_moiety         (Et4N)3[(edt)2Mo2FeS6]
_chemical_formula_sum            'C28 H68 Fe Mo2 N3 S10'
_chemical_formula_weight         1015.18
_chemical_melting_point          ?
_chemical_name_common            none
_chemical_name_systematic
;
  tris(Tetraethylammonium) bis(bis(mu2-sulfido)-
(ethanedithiolato-S,S')-sulfido-molybdenum)-iron
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 101.551(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7054(15)
_cell_length_b                   18.404(2)
_cell_length_c                   17.5020(19)
_cell_measurement_reflns_used    930
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      28.24
_cell_measurement_theta_min      2.78
_cell_volume                     4325.2(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      213(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0169
_diffrn_reflns_av_sigmaI/netI    0.0219
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            15597
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.88
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    1.409
_exptl_absorpt_correction_T_max  0.94
_exptl_absorpt_correction_T_min  0.83
_exptl_absorpt_correction_type   SADABS
_exptl_absorpt_process_details   none
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.559
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2108
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.657
_refine_diff_density_min         -0.373
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         5380
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0292
_refine_ls_R_factor_gt           0.0252
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0475P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0727
_refine_ls_wR_factor_ref         0.0743
_reflns_number_gt                4690
_reflns_number_total             5380
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0201250_1.cif
_cod_data_source_block           (Et4N)3[2]
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        4325.1(8)
_cod_database_code               4318108