Exploiting single-molecule magnets of beta-diketone dysprosium complexes with C3v symmetry: suppression of quantum tunneling of magnetization
Yanping Dong; Pengfei Yan; Xiaoyan Zou; Tianqi Liu; Guangming Li; Journal of Materials Chemistry C 3 (2015) 4407–4415; doi:10.1039/C5TC00321K

data_7234197
_publ_section_title
;
 Exploiting single-molecule magnets of beta-diketone dysprosium complexes
 with C3v symmetry: suppression of quantum tunneling of magnetization
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              4407
_journal_page_last               4415
_journal_paper_doi               10.1039/C5TC00321K
_journal_volume                  3
_journal_year                    2015
_chemical_formula_moiety         '2(C45 H39 Dy F9 N4 O7), C Cl2'
_chemical_formula_sum            'C91 H78 Cl2 Dy2 F18 N8 O14'
_chemical_formula_weight         2245.52
_chemical_name_systematic        'EIFD Dy DMF'
_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_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
_cell_angle_alpha                94.383(5)
_cell_angle_beta                 100.445(5)
_cell_angle_gamma                109.447(5)
_cell_formula_units_Z            1
_cell_length_a                   12.928(5)
_cell_length_b                   13.333(5)
_cell_length_c                   15.388(5)
_cell_measurement_temperature    293(2)
_cell_volume                     2432.7(15)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'multiwire proportional'
_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  0.0988
_diffrn_reflns_av_sigmaI/netI    0.0862
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            17214
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.21
_exptl_absorpt_coefficient_mu    1.677
_exptl_absorpt_correction_T_max  0.707
_exptl_absorpt_correction_T_min  0.515
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs(Sheldrick,1996)
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.842
_refine_diff_density_min         -1.850
_refine_diff_density_rms         0.149
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     622
_refine_ls_number_reflns         8573
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0563
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0954P)^2^+3.7253P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1552
_refine_ls_wR_factor_ref         0.1646
_reflns_number_gt                7175
_reflns_number_total             8573
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2015-3-4407.cif
_cod_data_source_block           dy-2
_cod_database_code               7234197