Probing the Antioxidant Action of Selenium and Sulfur Using Cu(I)-Chalcogenone Tris(pyrazolyl)methane and -borate Complexes
Martin M. Kimani; Julia L. Brumaghim; Don VanDerveer; Inorganic Chemistry 49 (2010) 9200–9211; doi:10.1021/ic100668b

data_4316714
_publ_section_title
;
 Probing the Antioxidant Action of Selenium and Sulfur Using
 Cu(I)-Chalcogenone Tris(pyrazolyl)methane and -borate Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9200
_journal_page_last               9211
_journal_paper_doi               10.1021/ic100668b
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C20 H30 B Cu N8 Se'
_chemical_formula_sum            'C20 H30 B Cu N8 Se'
_chemical_formula_weight         535.83
_chemical_properties_physical    'air-sensitive, moisture-sensitive'
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      11
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 92.09(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.3319(17)
_cell_length_b                   11.771(2)
_cell_length_c                   12.082(2)
_cell_measurement_reflns_used    9538
_cell_measurement_temperature    168.15
_cell_measurement_theta_max      26.29
_cell_measurement_theta_min      3.02
_cell_volume                     1184.2(4)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC,2006)'
_computing_data_collection       'CrystalClear (Rigaku/MSC,2006)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC,2006)'
_computing_molecular_graphics    'SHELXTL 6.10 (Sheldrick,2008)'
_computing_publication_material  'SHELXTL 6.10 (Sheldrick,2008)'
_computing_structure_refinement  'SHELXTL 6.10 (Sheldrick,2008)'
_computing_structure_solution    'SHELXTL 6.10 (Sheldrick,2008)'
_diffrn_ambient_temperature      168.15
_diffrn_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Rigaku, AFC8S diffractometer'
_diffrn_measurement_method       dtprofit.ref
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0309
_diffrn_reflns_av_sigmaI/netI    0.0265
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9538
_diffrn_reflns_theta_full        26.29
_diffrn_reflns_theta_max         26.29
_diffrn_reflns_theta_min         3.02
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.483
_exptl_absorpt_correction_T_max  0.6111
_exptl_absorpt_correction_T_min  0.4684
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB, CrystalClear'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             548
_exptl_crystal_recrystallization_method 'ether into methanol/dichloromethane '
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.712
_refine_diff_density_min         -0.513
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         2494
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0383
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0537P)^2^+1.3941P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0953
_refine_ls_wR_factor_ref         0.1021
_reflns_number_gt                2136
_reflns_number_total             2494
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100668b_si_003_4.cif
_cod_data_source_block           Tp*Cu(dmise)
_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               4316714