Catechol Oxidase Activity of a Series of New Dinuclear Copper(II) Complexes with 3,5-DTBC and TCC as Substrates: Syntheses, X-ray Crystal Structures, Spectroscopic Characterization of the Adducts and Kinetic Studies
Kazi Sabnam Banu; Tanmay Chattopadhyay; Arpita Banerjee; Santanu Bhattacharya; Eringathodi Suresh; Munirathinam Nethaji; Ennio Zangrando; Debasis Das; Inorganic Chemistry 47 (2008) 7083–7093; doi:10.1021/ic701332w

data_4305152
_publ_section_title
;
Catechol Oxidase Activity of a Series of New Dinuclear Copper(II) Complexes
with 3,5-DTBC and TCC as Substrates: Syntheses, X-ray Crystal Structures,
Spectroscopic Characterization of the Adducts and Kinetic Studies
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7083
_journal_page_last               7093
_journal_paper_doi               10.1021/ic701332w
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         '2(C23 H35 Cu2 N13 O3)'
_chemical_formula_sum            'C46 H70 Cu4 N26 O6'
_chemical_formula_weight         1337.44
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            18
_cell_length_a                   37.033(6)
_cell_length_b                   37.033(6)
_cell_length_c                   21.890(4)
_cell_measurement_temperature    293(2)
_cell_volume                     25999(8)
_computing_cell_refinement       'Denzo (Otwinowski & Minor 1997)'
_computing_data_collection       'Nonius Xpress'
_computing_data_reduction        'Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep3/windows (Farrugia,1997)'
_computing_publication_material  'Wingx 1.70.01 (Farrugia, 1999)'
_computing_structure_refinement  'SHELX97 (Sheldrick, 1998)'
_computing_structure_solution    'SHELX97 (Sheldrick, 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'image plate dip1030'
_diffrn_measurement_method       'laser scanner'
_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  0.0768
_diffrn_reflns_av_sigmaI/netI    0.0680
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       41
_diffrn_reflns_limit_k_min       -41
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            36915
_diffrn_reflns_theta_full        23.38
_diffrn_reflns_theta_max         23.38
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    1.523
_exptl_absorpt_correction_T_max  0.7321
_exptl_absorpt_correction_T_min  0.6187
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
Parkin S,Moezzi B & Hope H, (1995) J. Appl. Cryst. 28, 53-56
Quadratic fit to sin(theta)/lambda - 18 parameters
;
_exptl_crystal_density_diffrn    1.538
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             12456
_refine_diff_density_max         0.754
_refine_diff_density_min         -0.421
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.852
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     655
_refine_ls_number_reflns         8283
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.867
_refine_ls_R_factor_all          0.1052
_refine_ls_R_factor_gt           0.0547
_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^)+(0.1014P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1503
_refine_ls_wR_factor_ref         0.1679
_reflns_number_gt                4072
_reflns_number_total             8283
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701332w-file001_5.cif
_cod_data_source_block           5
_cod_original_cell_volume        26000(8)
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4305152