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_7053347
_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_sum            'C52 H34 N O11 Os3 P2 Re S'
_chemical_formula_weight         1699.60
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.3630(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7860(3)
_cell_length_b                   21.2076(4)
_cell_length_c                   16.8447(4)
_cell_measurement_reflns_used    9926
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67
_cell_measurement_theta_min      3
_cell_volume                     4920.66(18)
_computing_cell_refinement       'SAINT v7.56A (Bruker, 2008)'
_computing_data_collection       'APEX2-2008.5-0 (Bruker, 2008)'
_computing_data_reduction        'SADABS-2008/1 (Bruker, 2008)'
_computing_molecular_graphics    'XP v5.1 (Bruker, 1998)'
_computing_publication_material  'XCIF-2008/2 (Bruker, 2008)'
_computing_structure_refinement  'SHELXL-2008/4(Bruker, 2008)'
_computing_structure_solution    'XS/SHELXTL-2008/1 (Bruker, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Bruker APEX2 CCD detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0405
_diffrn_reflns_av_sigmaI/netI    0.0280
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            40725
_diffrn_reflns_theta_full        68.03
_diffrn_reflns_theta_max         68.03
_diffrn_reflns_theta_min         3.21
_exptl_absorpt_coefficient_mu    20.497
_exptl_absorpt_correction_T_max  0.1828
_exptl_absorpt_correction_T_min  0.0566
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
Numerical (based on real shape of the crystal) absorption
correction followed by:
SADABS. Program for empirical absorption correction of
area-detector data. University of Goetingen. Germany.
Sheldrick, G. M. 1996
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3160
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.421
_refine_diff_density_min         -0.817
_refine_diff_density_rms         0.135
_refine_ls_extinction_coef       0.000025(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     641
_refine_ls_number_reflns         8654
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0298
_refine_ls_R_factor_gt           0.0266
_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^)+(0.0349P)^2^+15.5173P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0641
_refine_ls_wR_factor_ref         0.0656
_reflns_number_gt                8047
_reflns_number_total             8654
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b9nj00526a.txt
_cod_data_source_block           dth1sb
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7053347