Radical Pathway in Catecholase Activity with Zinc-Based Model Complexes of Compartmental Ligands
Averi Guha; Tanmay Chattopadhyay; Nanda Dulal Paul; Madhuparna Mukherjee; Somen Goswami; Tapan Kumar Mondal; Ennio Zangrando; Debasis Das; Inorganic Chemistry 51 (2012) 8750–8759; doi:10.1021/ic300400v

data_4330009
_publ_section_title
;
 Radical Pathway in Catecholase Activity with Zinc-Based Model Complexes
 of Compartmental Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8750
_journal_page_last               8759
_journal_paper_doi               10.1021/ic300400v
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C21 H31 Cl3 N4 O Zn2'
_chemical_formula_sum            'C21 H31 Cl3 N4 O Zn2'
_chemical_formula_weight         592.59
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            8
_cell_length_a                   10.977(3)
_cell_length_b                   18.852(5)
_cell_length_c                   24.156(5)
_cell_measurement_temperature    293(2)
_cell_volume                     4999(2)
_computing_cell_refinement       'Denzo (Otwinowski & Minor 1997)'
_computing_data_collection       'XPRESS (MacScience, 2002)'
_computing_data_reduction
'Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep3/windows (Farrugia,1997)'
_computing_publication_material  'Wingx 1.70.00 (Farrugia, 1999)'
_computing_structure_refinement  'SHELX97 (Sheldrick, 1998)'
_computing_structure_solution    'SHELX97 (Sheldrick, 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type
'Enraf-Nonius dip1030 image plate  diffractometer'
_diffrn_measurement_method       '\f-scans with narrow frames'
_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  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0944
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            55712
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    2.261
_exptl_absorpt_correction_T_max  0.7677
_exptl_absorpt_correction_T_min  0.5510
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
Parkin S,Moezzi B & Hope H, (1995) J. Appl. Cryst. 28, 53-56
Linear fit to sin(theta)/lambda - 12 parameters
;
_exptl_crystal_colour            orange-brown
_exptl_crystal_density_diffrn    1.575
_exptl_crystal_description       Cube
_exptl_crystal_F_000             2432
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.544
_refine_diff_density_min         -0.384
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.52(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.844
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     562
_refine_ls_number_reflns         9191
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.876
_refine_ls_R_factor_all          0.1074
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0511P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1094
_refine_ls_wR_factor_ref         0.1268
_reflns_number_gt                4486
_reflns_number_total             9191
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300400v_si_001_3.cif
_cod_data_source_block           3
_cod_database_code               4330009