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_4331146
_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         'C21 H25 Cl Fe N3 O4'
_chemical_formula_sum            'C21 H25 Cl Fe N3 O4'
_chemical_formula_weight         474.74
_chemical_name_systematic
;
 chlorido-(N,N'-bis(2-oxy-3-methoxy-benzylidene)
-1,6-diamino-4-azahexane)-iron(iii)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 109.064(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.9099(7)
_cell_length_b                   20.5346(12)
_cell_length_c                   10.9418(8)
_cell_measurement_reflns_used    6706
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.2808
_cell_measurement_theta_min      2.9369
_cell_volume                     2104.5(3)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_molecular_graphics    'MERCURY (Macrae et al., 2006)'
_computing_publication_material  ' enCIFer (Allen et al., 2004)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3611
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
'Goniometer KM4/Xcalibur detector: Sapphire2 (large Be window)'
_diffrn_measurement_method
;
Rotation method data acquisition using omega and phi 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  0.0732
_diffrn_reflns_av_sigmaI/netI    0.0904
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            16738
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    0.877
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.29743
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.52 (release 06-11-2009 CrysAlis171 .NET)
(compiled Nov  6 2009,16:24:50)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.498
_exptl_crystal_description       prism
_exptl_crystal_F_000             988
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.468
_refine_diff_density_min         -0.349
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.898
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         3697
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.898
_refine_ls_R_factor_all          0.0816
_refine_ls_R_factor_gt           0.0386
_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^)+(0.0347P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0680
_refine_ls_wR_factor_ref         0.0741
_reflns_number_gt                2362
_reflns_number_total             3697
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3015833_si_002_2.cif
_cod_data_source_block           2c
_cod_original_cell_volume        2104.5(2)
_cod_database_code               4331146