Ligand field fine-tuning on the modulation of the magnetic properties and relaxation dynamics of dysprosium(iii) single-ion magnets (SIMs): synthesis, structure, magnetism and ab initio calculations
Sheng Zhang; Haipeng Wu; Lin Sun; Hongshan Ke; Sanping Chen; Bing Yin; Qing Wei; Desuo Yang; Shengli Gao; Journal of Materials Chemistry C 5 (2017) 1369–1382; doi:10.1039/C6TC05188J

data_7235177
_publ_section_title
;
 Ligand field fine-tuning on the modulation of the magnetic properties and
 relaxation dynamics of dysprosium(iii) single-ion magnets (SIMs):
 synthesis, structure, magnetism and ab initio calculations
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              1369
_journal_page_last               1382
_journal_paper_doi               10.1039/C6TC05188J
_journal_volume                  5
_journal_year                    2017
_chemical_formula_sum            'C42 H23 Dy F12 N2 O6'
_chemical_formula_weight         1042.12
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                83.405(4)
_cell_angle_beta                 87.777(4)
_cell_angle_gamma                76.586(4)
_cell_formula_units_Z            2
_cell_length_a                   10.273(2)
_cell_length_b                   13.625(3)
_cell_length_c                   15.204(3)
_cell_measurement_reflns_used    3524
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.10
_cell_measurement_theta_min      1.96
_cell_volume                     2056.2(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'Bruker APEX SMART II'
_diffrn_measurement_method       \w
_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  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0932
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11263
_diffrn_reflns_theta_full        26.24
_diffrn_reflns_theta_max         26.24
_diffrn_reflns_theta_min         1.35
_exptl_absorpt_coefficient_mu    1.921
_exptl_absorpt_correction_T_max  0.9019
_exptl_absorpt_correction_T_min  0.7973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.683
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1022
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.498
_refine_diff_density_min         -0.810
_refine_diff_density_rms         0.084
_refine_ls_extinction_coef       0.0007(4)
_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   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     557
_refine_ls_number_reflns         8042
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.1739
_refine_ls_R_factor_gt           0.0637
_refine_ls_shift/su_max          0.043
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0700P)^2^+0.3675P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1391
_refine_ls_wR_factor_ref         0.1905
_reflns_number_gt                3261
_reflns_number_total             8042
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2017-5-1369.cif
_cod_data_source_block           xb8569_0m
_cod_original_cell_volume        2056.1(7)
_cod_original_sg_symbol_H-M      p-1
_cod_database_code               7235177