Redox Noninnocence in Coordinated 2-(Arylazo)pyridines: Steric Control of Ligand-Based Redox Processes in Cobalt Complexes
Pradip Ghosh; Subhas Samanta; Suman K Roy; Sucheta Joy; Tobias Krämer; John E. McGrady; Sreebrata Goswami; Inorganic Chemistry 52 (2013) 14040–14049; doi:10.1021/ic4018079

data_4336981
_publ_section_title
;
 Redox Noninnocence in Coordinated 2-(Arylazo)pyridines: Steric Control of
 Ligand-Based Redox Processes in Cobalt Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              14040
_journal_page_last               14049
_journal_paper_doi               10.1021/ic4018079
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C27 H29 Co N6'
_chemical_formula_weight         496.49
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2b'
_symmetry_space_group_name_H-M   'P b c 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            8
_cell_length_a                   8.0200(6)
_cell_length_b                   16.8828(13)
_cell_length_c                   37.398(3)
_cell_measurement_reflns_used    35522
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.3
_cell_measurement_theta_min      1.1
_cell_volume                     5063.7(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0330
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            35522
_diffrn_reflns_theta_full        23.31
_diffrn_reflns_theta_max         23.31
_diffrn_reflns_theta_min         1.09
_exptl_absorpt_coefficient_mu    0.704
_exptl_absorpt_correction_T_max  0.939
_exptl_absorpt_correction_T_min  0.904
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_description       palate
_exptl_crystal_F_000             2080.0
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.505
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.107
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.106(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.846
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     613
_refine_ls_number_reflns         7305
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.846
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.060
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1219P)^2^+1.3651P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1131
_refine_ls_wR_factor_ref         0.1308
_reflns_number_gt                6185
_reflns_number_total             7305
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic4018079_si_002_6.cif
_cod_data_source_block           6
_cod_database_code               4336981