Nine Diiron(II) Complexes of Three Bis-tetradentate Pyrimidine Based Ligands with NCE (E = S, Se, BH3) Coligands
Worku A. Gobeze; Victoria A. Milway; Juan Olguín; Guy N. L. Jameson; Sally Brooker; Inorganic Chemistry 51 (2012) 9056–9065; doi:10.1021/ic3012052

data_4330093
_publ_section_title
;
 Nine Diiron(II) Complexes of Three Bis-tetradentate Pyrimidine Based
 Ligands with NCE (E = S, Se, BH3) Coligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9056
_journal_page_last               9065
_journal_paper_doi               10.1021/ic3012052
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C42.7 H40.8 Fe2 N12 O0.7 Se4'
_chemical_formula_weight         1160.81
_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                 97.353(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3377(5)
_cell_length_b                   24.7012(13)
_cell_length_c                   19.9340(10)
_cell_measurement_reflns_used    5291
_cell_measurement_temperature    91(2)
_cell_measurement_theta_max      22.08
_cell_measurement_theta_min      2.35
_cell_volume                     4560.0(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      91(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_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  0.1037
_diffrn_reflns_av_sigmaI/netI    0.1074
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            48205
_diffrn_reflns_theta_full        26.04
_diffrn_reflns_theta_max         26.04
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    3.877
_exptl_absorpt_correction_T_max  0.6978
_exptl_absorpt_correction_T_min  0.3359
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE (Bruker AXS Inc.)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.691
_exptl_crystal_description       block
_exptl_crystal_F_000             2298
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.266
_refine_diff_density_min         -1.456
_refine_diff_density_rms         0.134
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     570
_refine_ls_number_reflns         8696
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.1405
_refine_ls_R_factor_gt           0.0610
_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^)+(0.0779P)^2^+8.0432P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1401
_refine_ls_wR_factor_ref         0.1746
_reflns_number_gt                4724
_reflns_number_total             8696
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3012052_si_001_5.cif
_cod_data_source_block           wag596
_cod_original_formula_sum        'C42.70 H40.80 Fe2 N12 O0.70 Se4'
_cod_database_code               4330093