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_4325513
_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         'C23 H26 Gd N7 Ni O13, C2 H3 N'
_chemical_formula_sum            'C25 H29 Gd N8 Ni O13'
_chemical_formula_weight         865.52
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 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                 89.727(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.8100(17)
_cell_length_b                   10.4107(8)
_cell_length_c                   13.2080(10)
_cell_measurement_reflns_used    6403
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2.1
_cell_volume                     3273.9(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
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'STOE IPDS'
_diffrn_measurement_method       '/f scan'
_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  0.0996
_diffrn_reflns_av_sigmaI/netI    0.0525
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            31646
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    2.658
_exptl_absorpt_correction_T_max  0.6449
_exptl_absorpt_correction_T_min  0.3927
_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    1.756
_exptl_crystal_description       block
_exptl_crystal_F_000             1724
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.139
_refine_diff_density_min         -2.074
_refine_diff_density_rms         0.147
_refine_ls_extinction_coef       0.0045(5)
_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   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     437
_refine_ls_number_reflns         6396
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0552
_refine_ls_R_factor_gt           0.0457
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0875P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1238
_refine_ls_wR_factor_ref         0.1300
_reflns_number_gt                5230
_reflns_number_total             6396
_reflns_threshold_expression     I>2/s(I)
_cod_data_source_file            ic2004276_si_009.cif
_cod_data_source_block           jpsnigd1_cpd7
_cod_database_code               4325513