Dinuclear Seven-Coordinate Mn(II) Complexes: Effect of Manganese(II)-Hydroxo Species on Water Exchange and Superoxide Dismutase Activity
Dominik Lieb; Felix C. Friedel; Mirza Yawer; Achim Zahl; Marat M. Khusniyarov; Frank W. Heinemann; Ivana Ivanović-Burmazović; Inorganic Chemistry 52 (2013) 222–236; doi:10.1021/ic301714d

data_4331641
_publ_contact_author
;
        Prof. Dr. I. Ivanovic-Burmazovic
        Department of Chemistry and Pharmacy
        Inorganic Chemistry
        Universit\"at Erlangen-N\"urnberg
        Egerlandstr. 1
        D-91058 Erlangen
        Bundesrepublik Deutschland
;
_publ_contact_author_email       ivana.ivanovic@chemie.uni-erlangen.de
_publ_contact_author_fax         '049 9131 852-7345'
_publ_contact_author_phone       '049 9131 852-5428'
_publ_section_title
;
 Dinuclear Seven-Coordinate Mn(II) Complexes: Effect of
 Manganese(II)-Hydroxo Species on Water Exchange and Superoxide Dismutase
 Activity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              222
_journal_page_last               236
_journal_paper_doi               10.1021/ic301714d
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C18 H16 N2 O4'
_chemical_formula_sum            'C18 H16 N2 O4'
_chemical_formula_weight         324.33
_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            4
_cell_length_a                   3.8912(4)
_cell_length_b                   12.3171(13)
_cell_length_c                   32.947(4)
_cell_measurement_reflns_used    2854
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.66
_cell_measurement_theta_min      2.47
_cell_volume                     1579.1(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_publication_material  'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_structure_refinement  'SHELXTL 6.12 (Bruker AXS, 2002)'
_computing_structure_solution    'SHELXTL 6.12 (Bruker AXS, 2002)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 83.33
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Kappa APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'Quazar focussing montel optics'
_diffrn_radiation_source         'ImuS micro-focus tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0488
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            9823
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.13
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.585
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2008'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_description       needle
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.267
_refine_diff_density_min         -0.276
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         2085
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0652
_refine_ls_R_factor_gt           0.0563
_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^)+(0.0670P)^2^+1.5020P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1436
_refine_ls_wR_factor_ref         0.1475
_reflns_number_gt                1814
_reflns_number_total             2085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic301714d_si_001_1.cif
_cod_data_source_block           my1001
_cod_original_sg_symbol_Hall     P2ac2ab
_cod_database_code               4331641