Mixed-Valence Heptanuclear Iron Complexes with Ferromagnetic Interaction
Ivan Šalitroš; Roman Boča; Radovan Herchel; Ján Moncol; Ivan Nemec; Mario Ruben; Franz Renz; Inorganic Chemistry 51 (2012) 12755–12767; doi:10.1021/ic3015833

data_4331150
_publ_section_title
;
 Mixed-Valence Heptanuclear Iron Complexes with Ferromagnetic Interaction
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12755
_journal_page_last               12767
_journal_paper_doi               10.1021/ic3015833
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety
'(C132 H150 Fe7 N24 O24 2+), 2(Cl 1-), 10(H2 O)'
_chemical_formula_sum            'C132 H170 Cl2 Fe7 N24 O34'
_chemical_formula_weight         3098.77
_chemical_name_common
'[Fe^II^{(CN)Fe^III^(msalept)}~6~]Cl~2~.10H~2~O'
_chemical_name_systematic
;
 ?
;
_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            3
_cell_length_a                   29.4119(3)
_cell_length_b                   29.4119(3)
_cell_length_c                   15.4350(2)
_cell_measurement_reflns_used    4736
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      4.15
_cell_volume                     11563.3(2)
_computing_cell_refinement       'CrysAlis RED'
_computing_data_collection       'CrysAlis CCD'
_computing_data_reduction        'CrysAlis RED'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Oxford Diffraction Gemini R CCD '
_diffrn_measurement_method
;
Rotation method data acquisition using \w and \f scans
;
_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  0.0634
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            77716
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         4.15
_exptl_absorpt_coefficient_mu    0.752
_exptl_absorpt_correction_T_max  0.996
_exptl_absorpt_correction_T_min  0.846
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   '(Clark & Reid, 1995)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_description       block
_exptl_crystal_F_000             4854
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         5242
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0664
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0637P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1135
_refine_ls_wR_factor_ref         0.1180
_reflns_number_gt                3257
_reflns_number_total             5242
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3015833_si_002_6.cif
_cod_data_source_block           3b
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4331150