Ligand Structural Effects on Cu2S2 Bonding and Reactivity in Side-On Disulfido-Bridged Dicopper Complexes
Eric C. Brown; Itsik Bar-Nahum; John T. York; Nermeen W. Aboelella; William B. Tolman; Inorganic Chemistry 46 (2007) 486–496; doi:10.1021/ic061589r

data_4307087
_publ_section_title
;
Ligand Structural Effects on Cu2S2 Bonding and Reactivity in Side-On
Disulfido-Bridged Dicopper Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              486
_journal_page_last               496
_journal_paper_doi               10.1021/ic061589r
_journal_volume                  46
_journal_year                    2007
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C84 H100 Cu4 N8 S4'
_chemical_formula_sum            'C84 H100 Cu4 N8 S4'
_chemical_formula_weight         1604.12
_chemical_name_common            05308s
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           79
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I 4'
_symmetry_space_group_name_H-M   'I 4'
_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            2
_cell_length_a                   25.048(4)
_cell_length_b                   25.048(4)
_cell_length_c                   8.611(3)
_cell_measurement_reflns_used    3626
_cell_measurement_temperature    173(2)
_cell_volume                     5403(2)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics    'SHELXTL, Bruker'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens SMART Platform CCD'
_diffrn_measurement_method       'area detector, omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0650
_diffrn_reflns_av_sigmaI/netI    0.0542
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            25405
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.890
_exptl_absorpt_correction_T_max  0.8421
_exptl_absorpt_correction_T_min  0.6646
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing, 1995'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    0.986
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.887
_refine_diff_density_min         -0.594
_refine_diff_density_rms         0.072
_refine_ls_abs_structure_details
'Flack H D (1983), 2230 Friedel pairs Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         4813
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0570
_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^)+(0.0656P)^2^+10.0420P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1272
_refine_ls_wR_factor_ref         0.1326
_reflns_number_gt                3933
_reflns_number_total             4813
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic061589rsi20060822_025941_8.cif
_cod_data_source_block           05308s
_cod_database_code               4307087