Single-Molecule Magnet Behavior for an Antiferromagnetically Superexchange-Coupled Dinuclear Dysprosium(III) Complex
Jérôme Long; Fatemah Habib; Po-Heng Lin; Ilia Korobkov; Gary Enright; Liviu Ungur; Wolfgang Wernsdorfer; Liviu F. Chibotaru; Muralee Murugesu; Journal of the American Chemical Society 133 (2011) 5319–5328; doi:10.1021/ja109706y

data_4105899
_publ_section_title
;
 Single-Molecule Magnet Behavior for an Antiferromagnetically
 Superexchange-Coupled Dinuclear Dysprosium(III) Complex
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5319
_journal_page_last               5328
_journal_paper_doi               10.1021/ja109706y
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C40 H46 N8 O14 Tb2'
_chemical_formula_weight         1180.69
_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                66.1710(10)
_cell_angle_beta                 65.0160(10)
_cell_angle_gamma                80.0090(10)
_cell_formula_units_Z            1
_cell_length_a                   10.5536(3)
_cell_length_b                   10.5537(3)
_cell_length_c                   11.4994(3)
_cell_measurement_reflns_used    7473
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.37
_cell_measurement_theta_min      2.36
_cell_volume                     1061.98(5)
_computing_cell_refinement       'APEX II, Bruker (2009)'
_computing_data_collection       'APEX II, Bruker (2009)'
_computing_data_reduction        'XPREP, Bruker (2009)'
_computing_molecular_graphics    'SHELXTL, Bruker (2004)'
_computing_publication_material  'SHELXTL, Bruker (2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0173
_diffrn_reflns_av_sigmaI/netI    0.0278
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8893
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         2.13
_diffrn_standards_decay_%        <1
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.381
_exptl_absorpt_correction_T_max  0.4853
_exptl_absorpt_correction_T_min  0.4304
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.846
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.702
_refine_diff_density_min         -1.048
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4922
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0215
_refine_ls_R_factor_gt           0.0206
_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^+0.3331P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0538
_refine_ls_wR_factor_ref         0.0542
_reflns_number_gt                4752
_reflns_number_total             4922
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja109706y_si_Tb2.cif
_cod_data_source_block           mm001
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4105899