New Extended Magnetic Systems Based on Oxalate and Iron(III) Ions
Donatella Armentano; Teresa F. Mastropietro; Giovanni De Munno; Patrizia Rossi; Francesc Lloret; Miguel Julve; Inorganic Chemistry 47 (2008) 3772–3786; doi:10.1021/ic702403h

data_4304830
_publ_section_title
;
New Extended Magnetic Systems Based on Oxalate and Iron(III) Ions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3772
_journal_page_last               3786
_journal_paper_doi               10.1021/ic702403h
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C8 H18 Cl4 Fe2 N2 O9'
_chemical_formula_weight         539.74
_chemical_name_systematic
; 
 ? 
;
_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   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 107.56(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.959(3)
_cell_length_b                   13.998(4)
_cell_length_c                   13.594(4)
_cell_measurement_reflns_used    30
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      15
_cell_volume                     1988.2(10)
_computing_cell_refinement       'Bruker P3'
_computing_data_collection       'Bruker P3'
_computing_data_reduction        'Bruker XDISK'
_computing_molecular_graphics    'SHELXTL NT Bruker XP'
_computing_publication_material  'SHELXTL NT Package Bruker'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'R3m/V automatic four-circle diffractometer'
_diffrn_measurement_method       omega/2-theta-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  0.0428
_diffrn_reflns_av_sigmaI/netI    0.0430
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3793
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    2.037
_exptl_absorpt_correction_T_max  0.786
_exptl_absorpt_correction_T_min  0.6532
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   psi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.803
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.946
_refine_diff_density_min         -1.313
_refine_diff_density_rms         0.164
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.990
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3518
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.0862
_refine_ls_R_factor_gt           0.0699
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1469P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1889
_refine_ls_wR_factor_ref         0.1986
_reflns_number_gt                2524
_reflns_number_total             3518
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic702403h-file007.cif
_cod_data_source_block           compound_9
_cod_database_code               4304830