Versatile reactivity of a solvent-coordinated diiron(II) compound: synthesis and dioxygen reactivity of a mixed-valent Fe(II)Fe(III) species.
Majumdar, Amit; Apfel, Ulf-Peter; Jiang, Yunbo; Moënne-Loccoz, Pierre; Lippard, Stephen J.; Inorganic chemistry 53 (2014) 167–181; doi:10.1021/ic4019585

data_4337466
_publ_section_title
;
 Versatile reactivity of a solvent-coordinated diiron(II) compound:
 synthesis and dioxygen reactivity of a mixed-valent Fe(II)Fe(III)
 species.
;
_journal_issue                   1
_journal_name_full               'Inorganic chemistry'
_journal_page_first              167
_journal_page_last               181
_journal_paper_doi               10.1021/ic4019585
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C86 H102 Fe4 N20 O7, 2(C3 H7 N O), 2(B F4)'
_chemical_formula_sum            'C92 H116 B2 F8 Fe4 N22 O9'
_chemical_formula_weight         2071.09
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.993(3)
_cell_angle_beta                 80.605(2)
_cell_angle_gamma                64.731(2)
_cell_formula_units_Z            2
_cell_length_a                   15.092(2)
_cell_length_b                   17.612(3)
_cell_length_c                   27.955(4)
_cell_measurement_reflns_used    23344
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.66
_cell_measurement_theta_min      2.35
_cell_volume                     6629.3(17)
_computing_cell_refinement       'SAINT 7.46A (Bruker-Axs,2009)'
_computing_data_collection       'APEX2 v2009.3.0 (Bruker-Axs,2009)'
_computing_data_reduction        'SAINT 7.46A (Bruker-Axs,2009)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scan'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0644
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            25264
_diffrn_reflns_theta_full        25.80
_diffrn_reflns_theta_max         25.80
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.490
_exptl_absorpt_correction_T_max  0.9903
_exptl_absorpt_correction_T_min  0.9084
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.038
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2160
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.096
_refine_diff_density_min         -0.675
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1269
_refine_ls_number_reflns         25264
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.1157
_refine_ls_R_factor_gt           0.0809
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1760P)^2^+0.1998P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2559
_refine_ls_wR_factor_ref         0.2789
_reflns_number_gt                16007
_reflns_number_total             25264
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic4019585_si_002.cif
_cod_data_source_block           56
_cod_original_cell_volume        6629.1(18)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4337466