Reversible C-C Bond Formation between Redox-Active Pyridine Ligands in Iron Complexes
Thomas R. Dugan; Eckhard Bill; K. Cory MacLeod; Gemma J. Christian; Ryan E. Cowley; William W. Brennessel; Shengfa Ye; Frank Neese; Patrick L. Holland; Journal of the American Chemical Society 134 (2012) 20352–20364; doi:10.1021/ja305679m

data_4119017
_publ_section_title
;
 Reversible C-C Bond Formation between Redox-Active Pyridine Ligands in
 Iron Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              20352
_journal_page_last               20364
_journal_paper_doi               10.1021/ja305679m
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C47 H67 Fe N4'
_chemical_formula_sum            'C47 H67 Fe N4'
_chemical_formula_weight         743.90
_chemical_name_common            L(Me)Fe(tBupy)2
_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                87.924(5)
_cell_angle_beta                 73.640(5)
_cell_angle_gamma                77.200(5)
_cell_formula_units_Z            4
_cell_length_a                   14.552(4)
_cell_length_b                   17.226(5)
_cell_length_c                   22.142(6)
_cell_measurement_reflns_used    3778
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      28.33
_cell_measurement_theta_min      2.59
_cell_volume                     5191(3)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1985
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            25449
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.50
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.320
_exptl_absorpt_correction_T_max  0.9749
_exptl_absorpt_correction_T_min  0.8936
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'TWINABS (Sheldrick, 2008)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    0.952
_exptl_crystal_description       plate
_exptl_crystal_F_000             1612
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.779
_refine_diff_density_min         -1.899
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.940
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     969
_refine_ls_number_reflns         25449
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.940
_refine_ls_R_factor_all          0.1718
_refine_ls_R_factor_gt           0.0946
_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^)+(0.1319P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2333
_refine_ls_wR_factor_ref         0.2683
_reflns_number_gt                11679
_reflns_number_total             25449
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja305679m_si_002_1.cif
_cod_data_source_block           holrc38
_cod_original_cell_volume        5191(2)
_cod_database_code               4119017