Dioxygen Binding to Complexes with FeII2(μ-OH)2 Cores: Steric Control of Activation Barriers and O2-Adduct Formation
Sergey V. Kryatov; Sonia Taktak; Ivan V. Korendovych; Elena V. Rybak-Akimova; József Kaizer; Stéphane Torelli; Xiaopeng Shan; Sanjay Mandal; Vicki L. MacMurdo; Antoni Mairata i Payeras; Lawrence Que; Inorganic Chemistry 44 (2005) 85–99; doi:10.1021/ic0485312

data_4308522
_publ_contact_author_name        'Lawrence Que Jr'
_publ_section_title
;
Dioxygen Binding to Complexes with FeII2(\m-OH)2 Cores: Steric Control of
Activation Barriers and O2-Adduct Formation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              85
_journal_page_last               99
_journal_paper_doi               10.1021/ic0485312
_journal_volume                  44
_journal_year                    2005
_chemical_formula_moiety         'C58 H54 Fe2 N8 O2, 2(Cl O4)'
_chemical_formula_sum            'C58 H54 Cl2 Fe2 N8 O10'
_chemical_formula_weight         1205.69
_chemical_name_common            02268
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                   13.518(8)
_cell_length_b                   18.87(1)
_cell_length_c                   21.64(1)
_cell_measurement_reflns_used    3525
_cell_measurement_temperature    173(2)
_cell_volume                     5520(5)
_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
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0541
_diffrn_reflns_av_sigmaI/netI    0.0271
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            52330
_diffrn_reflns_theta_full        25.11
_diffrn_reflns_theta_max         25.11
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.690
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.900068
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing, 1995'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.451
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2496
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.319
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         4899
_refine_ls_number_restraints     38
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0720
_refine_ls_R_factor_gt           0.0587
_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^)+(0.0282P)^2^+17.5060P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1066
_refine_ls_wR_factor_ref         0.1132
_reflns_number_gt                4296
_reflns_number_total             4899
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0485312si20041025_103940_6.cif
_cod_data_source_block           02268
_cod_original_cell_volume        5519(6)
_cod_database_code               4308522