Family of Carboxylate- and Nitrate-diphenoxo Triply Bridged Dinuclear NiIILnIII Complexes (Ln = Eu, Gd, Tb, Ho, Er, Y): Synthesis, Experimental and Theoretical Magneto-Structural Studies, and Single-Molecule Magnet Behavior
Enrique Colacio; José Ruiz; Antonio J. Mota; María A. Palacios; Eduard Cremades; Eliseo Ruiz; Fraser J. White; Euan K. Brechin; Inorganic Chemistry 51 (2012) 5857–5868; doi:10.1021/ic3004596

data_4329244
_publ_section_title
;
 Family of Carboxylate- and Nitrate-diphenoxo Triply Bridged Dinuclear
 NiIILnIII Complexes (Ln = Eu, Gd, Tb, Ho, Er, Y): Synthesis, Experimental
 and Theoretical Magneto-Structural Studies, and Single-Molecule Magnet
 Behavior
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5857
_journal_page_last               5868
_journal_paper_doi               10.1021/ic3004596
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C61 H64 Dy N7 Ni O11'
_chemical_formula_weight         1292.40
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 90.000(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   22.497(5)
_cell_length_b                   12.769(5)
_cell_length_c                   19.788(5)
_cell_measurement_reflns_used    4704
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.241
_cell_measurement_theta_min      2.403
_cell_volume                     5684(3)
_computing_cell_refinement       'bruker SMART'
_computing_data_collection       'bruker SMART'
_computing_data_reduction        'bruker SMART'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX CCC system'
_diffrn_measurement_method       'phi and 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  0.0570
_diffrn_reflns_av_sigmaI/netI    0.0725
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            29461
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    1.703
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.683
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   empirical
_exptl_crystal_colour            'light green'
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_description       block
_exptl_crystal_F_000             2644
_exptl_crystal_size_max          0.64
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.255
_refine_diff_density_min         -0.500
_refine_diff_density_rms         0.084
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.016(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.933
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     740
_refine_ls_number_reflns         9805
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.933
_refine_ls_R_factor_all          0.0481
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0322P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0701
_refine_ls_wR_factor_ref         0.0731
_reflns_number_gt                8019
_reflns_number_total             9805
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3004596_si_001_11.cif
_cod_data_source_block           10
_cod_database_code               4329244