The rational synthesis of tetranuclear heterometallic butterfly clusters: reactions of [M2(CO)6(μ-pyS)2] (M = Re, Mn) with group VIII metal carbonyls
Ghosh, Shishir; Khanam, Kamrun N.; Hossain, G. M. Golzar; Haworth, Daniel T.; Lindeman, Sergey V.; Hogarth, Graeme; Kabir, Shariff E.; New Journal of Chemistry 34 (2010) 1875–; doi:10.1039/b9nj00526a

data_7053352
_publ_section_title
;
 The rational synthesis of tetranuclear heterometallic butterfly clusters:
 reactions of [M2(CO)6(\m-pyS)2] (M = Re, Mn) with group VIII metal
 carbonyls
;
_journal_issue                   9
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1875
_journal_paper_doi               10.1039/b9nj00526a
_journal_volume                  34
_journal_year                    2010
_chemical_formula_moiety         'C22 H8 Fe4 N2 O12 S'
_chemical_formula_sum            'C22 H8 Fe4 N2 O12 S'
_chemical_formula_weight         747.76
_chemical_name_systematic
;
?
;
_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                 91.587(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1790(9)
_cell_length_b                   19.723(2)
_cell_length_c                   15.1253(15)
_cell_measurement_reflns_used    4897
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     2737.2(5)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection
'DENZO (Otwinowski & Minor, 1997) and COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'ORTEP3 for windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w 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  0.0152
_diffrn_reflns_av_sigmaI/netI    0.0647
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5165
_diffrn_reflns_theta_full        25.17
_diffrn_reflns_theta_max         25.17
_diffrn_reflns_theta_min         1.70
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    2.218
_exptl_absorpt_correction_T_max  0.6411
_exptl_absorpt_correction_T_min  0.6070
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[Blessing, Acta Cryst. (1995)]
;
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.815
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1480
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.331
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.944
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     360
_refine_ls_number_reflns         4897
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.944
_refine_ls_R_factor_all          0.0734
_refine_ls_R_factor_gt           0.0354
_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^)+(0.0348P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0721
_refine_ls_wR_factor_ref         0.0782
_reflns_number_gt                3227
_reflns_number_total             4897
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b9nj00526a.txt
_cod_data_source_block           comp9
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7053352