Structural and Magnetic Characterization of a μ-1,5-Dicyanamide-Bridged Iron Basic Carboxylate [Fe3O(O2C(CH3)3)6] 1D Chain
Pablo Alborés; Eva Rentschler; Inorganic Chemistry 47 (2008) 7960–7962; doi:10.1021/ic801113d

data_4306274
_publ_contact_author_address
;Institute of Inorganic and Analytical Chemistry
University of Mainz
Mainz
Germany
D-55128
;
_publ_contact_author_email       albores@uni-mainz.de
_publ_contact_author_fax         '+49 6131 / 39-23922'
_publ_contact_author_name        'Dr.Pablo Albores'
_publ_contact_author_phone       '+49 6131 / 39-25377'
_publ_section_title
;
Structural and Magnetic Characterization of a \m-1,5-Dicyanamide-Bridged
Iron Basic Carboxylate [Fe3O(O2C(CH3)3)6] 1D Chain
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7960
_journal_page_last               7962
_journal_paper_doi               10.1021/ic801113d
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C70 H128 Fe6 N6 O33'
_chemical_formula_weight         1916.88
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000
_cell_angle_beta                 99.7373(10)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   23.2987(4)
_cell_length_b                   10.5343(2)
_cell_length_c                   39.7619(6)
_cell_measurement_temperature    173(2)
_cell_volume                     9618.4(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0764
_diffrn_reflns_av_sigmaI/netI    0.0861
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       50
_diffrn_reflns_limit_l_min       -50
_diffrn_reflns_number            105854
_diffrn_reflns_theta_full        27.17
_diffrn_reflns_theta_max         27.17
_diffrn_reflns_theta_min         1.10
_exptl_absorpt_coefficient_mu    0.957
_exptl_absorpt_correction_T_max  0.6557
_exptl_absorpt_correction_T_min  0.6131
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4040
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.904
_refine_diff_density_min         -0.783
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.930
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1116
_refine_ls_number_reflns         21268
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      0.934
_refine_ls_R_factor_all          0.1064
_refine_ls_R_factor_gt           0.0546
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0794P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1370
_refine_ls_wR_factor_ref         0.1557
_reflns_number_gt                11972
_reflns_number_total             21268
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801113d_si_001_2.cif
_cod_data_source_block           1
_cod_original_cell_volume        9618.3(3)
_cod_database_code               4306274