Tetra- and Dinuclear Nickel(II)-Vanadium(IV/V) Heterometal Complexes of a Phenol-Based N2O2 Ligand: Synthesis, Structures, and Magnetic and Redox Properties
Debdas Mandal; Pabitra Baran Chatterjee; Rakesh Ganguly; Edward R. T. Tiekink; Rodolphe Clérac; Muktimoy Chaudhury; Inorganic Chemistry 47 (2008) 584–591; doi:10.1021/ic701925j

data_4304423
_publ_section_title
;
Tetra- and Dinuclear Nickel(II)-Vanadium(IV/V) Heterometal Complexes of a
Phenol-Based N2O2 Ligand: Synthesis, Structures, and Magnetic and Redox
Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              584
_journal_page_last               591
_journal_paper_doi               10.1021/ic701925j
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C54 H78 N4 Ni2 O12 V2'
_chemical_formula_sum            'C54 H78 N4 Ni2 O12 V2'
_chemical_formula_weight         1194.50
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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
_cell_angle_beta                 97.988(1)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.0770(7)
_cell_length_b                   17.4402(10)
_cell_length_c                   13.4539(8)
_cell_measurement_reflns_used    5845
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      2.3
_cell_volume                     2806.2(3)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'PATTY in DIRDIF92 (Beurskens et al., 1992)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Bruker AXS SMART CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.032
_diffrn_reflns_av_sigmaI/netI    0.041
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23632
_diffrn_reflns_theta_full        30.1
_diffrn_reflns_theta_max         30.1
_diffrn_reflns_theta_min         1.9
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.046
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.742
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2000)'
_exptl_crystal_colour            red-brown
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1256
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.64
_refine_diff_density_min         -0.25
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.02
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         7939
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.02
_refine_ls_R_factor_all          0.056
_refine_ls_R_factor_gt           0.042
_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^)+(0.0659P)^2^+0.2557P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.106
_refine_ls_wR_factor_ref         0.113
_reflns_number_gt                6313
_reflns_number_total             7939
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic701925j-file002.cif
_cod_data_source_block           2
_cod_original_sg_symbol_Hall     '-P 2ybc  '
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4304423