Syntheses, structures and magnetic properties of a series of mono- and di-nuclear dysprosium(iii)-crown-ether complexes: effects of a weak ligand-field and flexible cyclic coordination modes
Ding, You-Song; Han, Tian; Hu, Yue-Qiao; Xu, Minwei; Yang, Sen; Zheng, Yan-Zhen; Inorganic Chemistry Frontiers 3 (2016) 798–; doi:10.1039/C5QI00308C

data_4349109
_publ_section_title
;
 Syntheses, structures and magnetic properties of a series of mono- and
 di-nuclear dysprosium(iii)-crown-ether complexes: effects of a weak
 ligand-field and flexible cyclic coordination modes
;
_journal_issue                   6
_journal_name_full               'Inorganic Chemistry Frontiers'
_journal_page_first              798
_journal_paper_doi               10.1039/C5QI00308C
_journal_volume                  3
_journal_year                    2016
_chemical_formula_sum            'C18 H35 Cl3 Dy N O20'
_chemical_formula_weight         854.32
_space_group_IT_number           96
_space_group_name_Hall           'P 4nw 2abw'
_space_group_name_H-M_alt        'P 43 21 2'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_H-M   'P 43 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-12-10 deposited with the CCDC.
2016-03-04 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5373(7)
_cell_length_b                   10.5373(7)
_cell_length_c                   26.5599(18)
_cell_measurement_reflns_used    0.85
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2.08
_cell_volume                     2949.1(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0906
_diffrn_reflns_av_sigmaI/netI    0.0467
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            24207
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    2.893
_exptl_absorpt_correction_T_max  0.7746
_exptl_absorpt_correction_T_min  0.6943
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.924
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1708
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         2.830
_refine_diff_density_min         -2.137
_refine_diff_density_rms         0.251
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.90(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.125
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2893
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      1.140
_refine_ls_R_factor_all          0.0827
_refine_ls_R_factor_gt           0.0747
_refine_ls_shift/su_max          0.037
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0673P)^2^+69.9378P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1877
_refine_ls_wR_factor_ref         0.1932
_reflns_number_gt                2607
_reflns_number_total             2893
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5qi00308c2.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P43212
_cod_database_code               4349109