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_4330092
_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            'C40 H46 B4 Fe2 N12'
_chemical_formula_weight         849.83
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_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                90.00
_cell_angle_beta                 99.410(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.1880(12)
_cell_length_b                   20.594(3)
_cell_length_c                   18.683(2)
_cell_measurement_reflns_used    3044
_cell_measurement_temperature    91(2)
_cell_measurement_theta_max      24.45
_cell_measurement_theta_min      2.22
_cell_volume                     4246.7(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      91(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Kappa APEX II area detector'
_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  0.1768
_diffrn_reflns_av_sigmaI/netI    0.1523
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            49291
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.728
_exptl_absorpt_correction_T_max  0.9576
_exptl_absorpt_correction_T_min  0.8446
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE (Bruker AXS Inc.)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_description       block
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.518
_refine_diff_density_min         -0.565
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     527
_refine_ls_number_reflns         8632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.1612
_refine_ls_R_factor_gt           0.0718
_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^)+(0.0890P)^2^+0.5196P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1633
_refine_ls_wR_factor_ref         0.2022
_reflns_number_gt                4475
_reflns_number_total             8632
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3012052_si_001_4.cif
_cod_data_source_block           wag552
_cod_original_cell_volume        4246.9(8)
_cod_database_code               4330092