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_4329238
_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            'C27 H40 Er N5 Ni O12'
_chemical_formula_weight         852.61
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                92.327(5)
_cell_angle_beta                 98.281(5)
_cell_angle_gamma                91.074(5)
_cell_formula_units_Z            4
_cell_length_a                   11.399(5)
_cell_length_b                   14.685(5)
_cell_length_c                   19.374(5)
_cell_measurement_reflns_used    20452
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.059
_cell_measurement_theta_min      2.5735
_cell_volume                     3206(2)
_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    'SHELXL-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Axs APEX automatic diffractometer'
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_sigmaI/netI    0.0230
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            31601
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.39
_exptl_absorpt_coefficient_mu    3.256
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.754262
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS (Bruker, 1999)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.767
_exptl_crystal_description       block
_exptl_crystal_F_000             1716
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.30
_refine_diff_density_max         2.668
_refine_diff_density_min         -0.903
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     845
_refine_ls_number_reflns         11241
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0274
_refine_ls_R_factor_gt           0.0252
_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^)+(0.0281P)^2^+4.3176P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0591
_refine_ls_wR_factor_ref         0.0600
_reflns_number_gt                10561
_reflns_number_total             11241
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3004596_si_001_05.cif
_cod_data_source_block           4
_cod_database_code               4329238