Sulfur-Bridged Ta‒M (M = Mo, Cr) Multinuclear Complexes Bearing a Four-Electron-Reduced Dinitrogen Ligand
Takada, Ryoichi; Hirotsu, Masakazu; Nishioka, Takanori; Hashimoto, Hideki; Kinoshita, Isamu; Organometallics 30 (2011) 4232–; doi:10.1021/om200596v

data_4063550
_publ_section_title
;
 Sulfur-Bridged Ta--M (M = Mo, Cr) Multinuclear Complexes Bearing a
 Four-Electron-Reduced Dinitrogen Ligand
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4232
_journal_paper_doi               10.1021/om200596v
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C52 H58 Cr N2 O4 S4 Ta2 '
_chemical_formula_sum            'C52 H58 Cr N2 O4 S4 Ta2'
_chemical_formula_weight         1317.17
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_audit_creation_date             2010-09-23
_audit_creation_method           'by CrystalStructure 3.8'
_cell_angle_alpha                90.0000
_cell_angle_beta                 109.6084(14)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   15.1344(9)
_cell_length_b                   21.6161(10)
_cell_length_c                   16.7735(9)
_cell_measurement_reflns_used    19298
_cell_measurement_temperature    193.1
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      4.0
_cell_volume                     5169.2(5)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      193.1
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0413
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            48958
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    4.630
_exptl_absorpt_correction_T_max  0.8363
_exptl_absorpt_correction_T_min  0.5431
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.692
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2600.00
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.503
_refine_diff_density_min         -1.770
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     587
_refine_ls_number_reflns         11632
_refine_ls_R_factor_all          0.0488
_refine_ls_R_factor_gt           0.0411
_refine_ls_shift/su_max          0.0030
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0460P)^2^+9.1436P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.1011
_reflns_number_gt                10057
_reflns_number_total             11632
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            om200596v_si_002.cif
_cod_data_source_block           5
_cod_original_formula_sum        'C52 H58 Cr N2 O4 S4 Ta2 '
_cod_database_code               4063550