Metal centered oxidation or ligand centered oxidation of metal dithiolene? Spectral, electrochemical and structural studies on a nickel-4-pyridine-1,2-dithiolate system.
Li, Xin-Yu; Sun, Yong-Gang; Huo, Peng; Shao, Ming-Yan; Ji, Shu-Fang; Zhu, Qin-Yu; Dai, Jie; Physical chemistry chemical physics : PCCP 15 (2013) 4016–4023; doi:10.1039/c3cp44054k

data_7211278
_publ_section_title
;
 Metal centered oxidation or ligand centered oxidation of metal
 dithiolene? Spectral, electrochemical and structural studies on a
 nickel-4-pyridine-1,2-dithiolate system.
;
_journal_issue                   11
_journal_name_full               'Physical chemistry chemical physics : PCCP'
_journal_page_first              4016
_journal_page_last               4023
_journal_paper_doi               10.1039/c3cp44054k
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C22 H30 N3 Ni S4'
_chemical_formula_weight         523.44
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 120.770(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.838(8)
_cell_length_b                   8.085(3)
_cell_length_c                   17.795(7)
_cell_measurement_reflns_used    3634
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      3.3
_cell_volume                     2452.4(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0603
_diffrn_reflns_av_sigmaI/netI    0.0477
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            11094
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.34
_exptl_absorpt_coefficient_mu    1.146
_exptl_absorpt_correction_T_max  0.8940
_exptl_absorpt_correction_T_min  0.5980
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            dark-red
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1100
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.274
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         2221
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0809
_refine_ls_R_factor_gt           0.0590
_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^)+(0.0564P)^2^+3.6554P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1269
_refine_ls_wR_factor_ref         0.1385
_reflns_number_gt                1768
_reflns_number_total             2221
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cp44054k.txt
_cod_data_source_block           l
_cod_original_cell_volume        2452.4(15)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7211278