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_4319461
_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            'C50 H50 Cl2 F6 Fe2 N8 O9 S2'
_chemical_formula_weight         1267.70
_chemical_name_common            '[Fe2(OH)(BPMAN)(PhCyCOO)](OTf)2'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   10.2490(3)
_cell_length_b                   21.7275(5)
_cell_length_c                   24.6524(7)
_cell_measurement_temperature    188(2)
_cell_volume                     5489.7(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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0509
_diffrn_reflns_av_sigmaI/netI    0.0522
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            23386
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.50
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.784
_exptl_crystal_density_diffrn    1.534
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2600
_refine_diff_density_max         0.885
_refine_diff_density_min         -0.948
_refine_diff_density_rms         0.101
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.538
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     629
_refine_ls_number_reflns         7155
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.555
_refine_ls_R_factor_all          0.0942
_refine_ls_R_factor_gt           0.0769
_refine_ls_shift/su_max          0.194
_refine_ls_shift/su_mean         0.008
_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          0.2038
_refine_ls_wR_factor_ref         0.2123
_reflns_number_gt                5906
_reflns_number_total             7155
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic000975k_2.cif
_cod_data_source_block           2
_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               4319461