Preparation, Crystal Structures, and Magnetic Features for a Series of Dinuclear [NiIILnIII] Schiff-Base Complexes: Evidence for Slow Relaxation of the Magnetization for the DyIII Derivative
Traian D. Pasatoiu; Jean-Pascal Sutter; Augustin M. Madalan; Fatima Zohra Chiboub Fellah; Carine Duhayon; Marius Andruh; Inorganic Chemistry 50 (2011) 5890–5898; doi:10.1021/ic2004276

data_4325512
_publ_contact_author_email       'jean-pascal.sutter@lcc-toulouse.fr '
_publ_contact_author_fax         '(33) 5 61 55 30 03'
_publ_contact_author_name        'JP Sutter'
_publ_contact_author_phone       '(33) 5 61 33 31 57'
_publ_section_title
;
 Preparation, Crystal Structures, and Magnetic Features for a Series of
 Dinuclear [NiIILnIII] Schiff-Base Complexes: Evidence for Slow Relaxation
 of the Magnetization for the DyIII Derivative
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5890
_journal_page_last               5898
_journal_paper_doi               10.1021/ic2004276
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C46 H53 N14 Nd2 Ni2 O27.5'
_chemical_formula_weight         1647.90
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                   18.4138(5)
_cell_length_b                   19.6726(3)
_cell_length_c                   35.2354(8)
_cell_measurement_reflns_used    83748
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      33.76
_cell_measurement_theta_min      2.02
_cell_volume                     12763.9(5)
_computing_cell_refinement       X-Area
_computing_data_collection       X-Area
_computing_data_reduction        X-Area
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'STOE-IPDS II'
_diffrn_measurement_method       'omega scans'
_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  0.0918
_diffrn_reflns_av_sigmaI/netI    0.0463
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       51
_diffrn_reflns_limit_l_min       -54
_diffrn_reflns_number            153270
_diffrn_reflns_theta_full        33.43
_diffrn_reflns_theta_max         33.43
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    2.273
_exptl_absorpt_correction_T_max  0.6507
_exptl_absorpt_correction_T_min  0.4138
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.711
_exptl_crystal_description       prism
_exptl_crystal_F_000             6552
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.349
_refine_diff_density_min         -1.336
_refine_diff_density_rms         0.148
_refine_ls_extinction_coef       0.00328(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     833
_refine_ls_number_reflns         24728
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0945
_refine_ls_R_factor_gt           0.0655
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1002P)^2^+4.5219P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1605
_refine_ls_wR_factor_ref         0.1854
_reflns_number_gt                16442
_reflns_number_total             24728
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic2004276_si_008.cif
_cod_data_source_block           tr24a
_cod_database_code               4325512