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_4325509
_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_moiety         'C21 H31 N4 Ni O11 Tb, C2 H3 N, 2(N O3), H2 O'
_chemical_formula_sum            'C23 H36 N7 Ni O18 Tb'
_chemical_formula_weight         916.22
_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                90.00
_cell_angle_beta                 98.710(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.5488(11)
_cell_length_b                   10.4531(6)
_cell_length_c                   24.351(2)
_cell_measurement_reflns_used    6680
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      25.9
_cell_measurement_theta_min      2.05
_cell_volume                     3409.0(4)
_computing_cell_refinement       'IPDS (Stoe & Cie, 1996)'
_computing_data_collection       'IPDS (Stoe & Cie, 1996)'
_computing_data_reduction        'XRED (Stoe & Cie 1996)'
_computing_molecular_graphics    'ORTEP-3 (Farruggia, 1997)'
_computing_publication_material  'wingx publication routines'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device_type  'stoe ipds'
_diffrn_measurement_method       \fscan
_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  0.0493
_diffrn_reflns_av_sigmaI/netI    0.0463
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            32731
_diffrn_reflns_theta_full        25.97
_diffrn_reflns_theta_max         25.97
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    2.696
_exptl_absorpt_correction_T_max  0.817
_exptl_absorpt_correction_T_min  0.785
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f.r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.785
_exptl_crystal_description       block
_exptl_crystal_F_000             1840
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.075
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.655
_refine_diff_density_min         -1.025
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.896
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     483
_refine_ls_number_reflns         6438
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      0.896
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0244
_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^)+(0.0277P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0480
_refine_ls_wR_factor_ref         0.0501
_reflns_number_gt                4951
_reflns_number_total             6677
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic2004276_si_005.cif
_cod_data_source_block           Compd_8
_cod_original_cell_volume        3409.0(5)
_cod_database_code               4325509