Electronic control of the protonation rates of Fe-Fe bonds.
Jablonskytė, Aušra; Webster, Lee R.; Simmons, Trevor R.; Wright, Joseph A.; Pickett, Christopher J.; Journal of the American Chemical Society 136 (2014) 13038–13044; doi:10.1021/ja506693m

data_4122579
_publ_section_title
;
 Electronic control of the protonation rates of Fe-Fe bonds.
;
_journal_issue                   37
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13038
_journal_page_last               13044
_journal_paper_doi               10.1021/ja506693m
_journal_volume                  136
_journal_year                    2014
_chemical_formula_moiety         'C19 H36 Fe2 O4 P2 S2'
_chemical_formula_structural     Fe2(iPr2-pdt)(CO)4(PMe3)2
_chemical_formula_sum            'C19 H36 Fe2 O4 P2 S2'
_chemical_formula_weight         566.24
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.090(2)
_cell_length_b                   13.027(2)
_cell_length_c                   16.282(3)
_cell_measurement_reflns_used    6468
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.6
_cell_volume                     2564.4(7)
_computing_cell_refinement       'CrystalClear-SM Expert (Rigaku, 2012)'
_computing_data_collection       'CrystalClear-SM Expert (Rigaku, 2012)'
_computing_data_reduction        'CrystalClear-SM Expert (Rigaku, 2012)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
;
 SHELXL-2014 (Sheldrick, 2014), WinGX (Farrugia, 2012)
 and enCIFer (Allen et al., 2004)
;
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_unetI/netI     0.0285
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17644
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.489
_diffrn_reflns_theta_min         2.617
_diffrn_source                   'Rotating Anode'
_exptl_absorpt_coefficient_mu    1.441
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.879
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear-SM Expert (Rigaku, 2012)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_description       plate
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.330
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.058
_refine_ls_abs_structure_details
;
 Flack x determined using 2287 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.019(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         5723
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0270
_refine_ls_R_factor_gt           0.0258
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0247P)^2^+0.7483P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0532
_refine_ls_wR_factor_ref         0.0538
_reflns_Friedel_coverage         0.733
_reflns_Friedel_fraction_full    0.956
_reflns_Friedel_fraction_max     0.937
_reflns_number_gt                5568
_reflns_number_total             5723
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja506693m_si_002.cif
_cod_data_source_block           1(iPr2-pdt)
_cod_depositor_comments
'Adding full bibliography for 4122577--4122589.cif.'
_cod_database_code               4122579
_shelx_estimated_absorpt_t_min   0.869
_shelx_estimated_absorpt_t_max   0.986
_shelxl_version_number           2014-3
_shelx_res_checksum              44495
_shelx_hkl_checksum              58006