Investigation of magneto-structural relation based on a series of mononuclear dysprosium single-ion magnets with high Oh symmetry
Yin, Xiuju; Li, Shixiong; Liao, Beiling; Inorganica Chimica Acta 504 (2020) 119451–; doi:10.1016/j.ica.2020.119451

data_1565247
_publ_section_title
;
 Investigation of magneto-structural relation based on a series of
 mononuclear dysprosium single-ion magnets with high Oh symmetry
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              119451
_journal_paper_doi               10.1016/j.ica.2020.119451
_journal_volume                  504
_journal_year                    2020
_chemical_formula_moiety         'C21 H18 Br4 Cl3 Dy N2 O3'
_chemical_formula_sum            'C21 H18 Br4 Cl3 Dy N2 O3'
_chemical_formula_weight         934.82
_space_group_crystal_system      monoclinic
_space_group_IT_number           13
_space_group_name_Hall           '-P 2yc'
_space_group_name_H-M_alt        'P 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 104.489(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.206(3)
_cell_length_b                   18.089(8)
_cell_length_c                   21.259(9)
_cell_measurement_reflns_used    4187
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.608
_cell_measurement_theta_min      2.459
_cell_volume                     2683(2)
_computing_cell_refinement       'SAINT v8.27A (Bruker, 2012)'
_computing_data_reduction        'SAINT v8.27A (Bruker, 2012)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1132
_diffrn_reflns_av_unetI/netI     0.0921
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            27826
_diffrn_reflns_theta_full        26.25
_diffrn_reflns_theta_max         26.25
_diffrn_reflns_theta_min         1.13
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.068
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    2.314
_exptl_crystal_density_meas      .
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1756
_refine_diff_density_max         1.710
_refine_diff_density_min         -3.311
_refine_diff_density_rms         0.329
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.278
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         5356
_refine_ls_number_restraints     405
_refine_ls_restrained_S_all      1.233
_refine_ls_R_factor_all          0.1632
_refine_ls_R_factor_gt           0.1215
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+219.8477P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2754
_refine_ls_wR_factor_ref         0.2922
_reflns_number_gt                3727
_reflns_number_total             5356
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2020-504-119452.cif
_cod_data_source_block           k40
_cod_database_code               1565247
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Restrained distances
 O3-H3
 0.85 with sigma of 0.01
 C21-H3
 1.846947 with sigma of 0.02
 Dy1-H3
 2.952814 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
C2 \\sim C14 \\sim C20 \\sim C9 \\sim C21 \\sim C5 \\sim C16 \\sim C6 \\sim C15
\\sim C18 \\sim C10 \\sim C12 \\sim C7 \\sim C19 \\sim C4 \\sim C3 \\sim C17
\\sim C13 \\sim C1 \\sim C11 \\sim C8: within 3.8A with sigma of 0.02 and sigma
for terminal atoms of 0.01
4.a Aromatic/amide H refined with riding coordinates:
 C14(H14), N2(H2), N1(H1), C7(H7), C4(H4), C3(H3A), C17(H17), C13(H13)
4.b Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C), C1(H1A,H1B,H1C), C11(H11A,H11B,H11C)
;