Unprecedented redox-driven ligand ejection in nickel(II)-diiminosemiquinonate radical complexes.
Leconte, N.; Ciccione, J.; Gellon, G.; Philouze, C.; Thomas, F.; Chemical communications (Cambridge, England) 50 (2014) 1918–1920; doi:10.1039/c3cc48549h

data_7125611
_publ_section_title
;
 Unprecedented redox-driven ligand ejection in
 nickel(II)-diiminosemiquinonate radical complexes.
;
_journal_issue                   15
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1918
_journal_page_last               1920
_journal_paper_doi               10.1039/c3cc48549h
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         '0.5(C144 H200 N16 Ni4), 3(C H4 O)'
_chemical_formula_sum            'C75 H112 N8 Ni2 O3'
_chemical_formula_weight         1291.15
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2013-02-22
_audit_creation_method
;
Olex2 1.1
(compiled 2011.11.01 svn.r2039, GUI svn.r3906)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.39(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   32.632(7)
_cell_length_b                   8.9933(18)
_cell_length_c                   24.821(5)
_cell_measurement_temperature    200
_cell_volume                     7263(3)
_computing_cell_refinement       'Bruker Enraf Nonius kappa CCD'
_computing_data_collection       Collect
_computing_data_reduction        EvalCCD
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELXL, G.M. Sheldrick, Acta Cryst.
2008). A64, 112-122
;
_computing_structure_solution
;
SHELXS, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      200
_diffrn_detector                 'CCD area detector'
_diffrn_detector_type            KappaCCD
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device
'Bruker-Nonius APEXII CCD area detector and D8 diffractometer'
_diffrn_measurement_device_type  'Bruker AXS enraf nonius KappaCCD'
_diffrn_measurement_method       'Phi and omega scans'
_diffrn_radiation_collimation    '0.2 mm sinlge-pinhole'
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0671
_diffrn_reflns_av_unetI/netI     0.0598
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            32177
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.35
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_source_target            Mo
_diffrn_source_type              'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.569
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.434583
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2004/1 (Bruker,2004) was used for absorption correction.
R(int) was 0.1020 before and 0.0691 after correction.
The Ratio of minimum to maximum transmission is 0.4346.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'metallic dark brown'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.181
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2792
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.46
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.484
_refine_diff_density_min         -0.542
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         7082
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0889
_refine_ls_R_factor_gt           0.0572
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0322P)^2^+23.3224P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1228
_refine_ls_wR_factor_ref         0.1346
_reflns_number_gt                5145
_reflns_number_total             7082
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc48549h.txt
_cod_data_source_block           sad
_cod_database_code               7125611