Influence of Extrinsic Factors on Electron Transfer in a Mixed-Valence Fe2+/Fe3+ Complex: Experimental Results and Theoretical Considerations
Catalina Achim; Emile L. Bominaar; Richard J. Staples; Eckard Münck; R. H. Holm; Inorganic Chemistry 40 (2001) 4389–4403; doi:10.1021/ic010498l

data_4320130
_publ_contact_author
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        R.H. Holm
        Department of Chemistry and Chemical Biology
        Harvard University
        Cambridge, MA 02138
        USA
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_publ_contact_author_email       holm@chemistry.harvard.edu
_publ_contact_author_fax         '+1 (617) 496-9289'
_publ_contact_author_phone       '+1 (617) 495-0853'
_publ_section_title
;
 Influence of Extrinsic Factors on Electron Transfer in a Mixed-Valence
 Fe2+/Fe3+ Complex: Experimental Results and Theoretical Considerations
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4389
_journal_page_last               4403
_journal_paper_doi               10.1021/ic010498l
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C56 H64 Fe2 N7 O8'
_chemical_formula_weight         1074.84
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                98.86(3)
_cell_angle_beta                 101.15(3)
_cell_angle_gamma                95.88(3)
_cell_formula_units_Z            2
_cell_length_a                   12.593(3)
_cell_length_b                   12.969(3)
_cell_length_c                   16.715(3)
_cell_measurement_reflns_used    4110
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      1.26
_cell_volume                     2621.6(11)
_computing_cell_refinement       'SMART (SIEMENS, V4.033, 1994)'
_computing_data_collection       'ASTRO (SIEMENS, V4.033, 1994)'
_computing_data_reduction        'SAINT (SIEMENS, V4.035, 1994)'
_computing_molecular_graphics    'SHELXTL (SIEMENS, 1994, ver 5.04)'
_computing_publication_material  'CIFTAB (Sheldrick, 1993)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.896
_diffrn_measured_fraction_theta_max 0.896
_diffrn_measurement_device_type  'Bruker CCD'
_diffrn_measurement_method       '\w, 0.3 deg'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0225
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16108
_diffrn_reflns_theta_full        28.26
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         1.26
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.615
_exptl_absorpt_correction_T_max  0.942204
_exptl_absorpt_correction_T_min  0.652528
_exptl_absorpt_correction_type   'Empirical sadabs'
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.362
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1130
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.783
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_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.181
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     664
_refine_ls_number_reflns         11648
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.181
_refine_ls_R_factor_all          0.0641
_refine_ls_R_factor_gt           0.0539
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+8.6032P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1405
_refine_ls_wR_factor_ref         0.1456
_reflns_number_gt                9855
_reflns_number_total             11648
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic010498l_1.cif
_cod_data_source_block           Fe2(salmp)2_DMF_173K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        2621.7(9)
_cod_database_code               4320130