Synthesis and Electrochemical Studies of Diiron Complexes of 1,8-Naphthyridine-Based Dinucleating Ligands to Model Features of the Active Sites of Non-Heme Diiron Enzymes
Chuan He; Stephen J. Lippard; Inorganic Chemistry 40 (2001) 1414–1420; doi:10.1021/ic000975k

data_4319464
_publ_section_title
;
 Synthesis and Electrochemical Studies of Diiron Complexes of
 1,8-Naphthyridine-Based Dinucleating Ligands to Model Features of the
 Active Sites of Non-Heme Diiron Enzymes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1414
_journal_page_last               1420
_journal_paper_doi               10.1021/ic000975k
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C52 H53 F6 Fe2 N9 O10 S2'
_chemical_formula_weight         1253.85
_chemical_name_common            '[Fe2(BBBAN)(OAc)2(OTf)](OTf)'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.6105(5)
_cell_length_b                   32.7813(11)
_cell_length_c                   11.6641(4)
_cell_measurement_temperature    188(2)
_cell_volume                     5968.9(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      188(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0410
_diffrn_reflns_av_sigmaI/netI    0.0437
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            26553
_diffrn_reflns_theta_full        23.00
_diffrn_reflns_theta_max         23.00
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    0.636
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2584
_refine_diff_density_max         0.963
_refine_diff_density_min         -0.609
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.329
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     727
_refine_ls_number_reflns         8307
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.329
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0631
_refine_ls_shift/su_max          0.030
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1700
_refine_ls_wR_factor_ref         0.1760
_reflns_number_gt                7129
_reflns_number_total             8307
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic000975k_5.cif
_cod_data_source_block           6
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' tag value 'Orthorombic' was replaced with
'orthorhombic' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4319464