High local coordination symmetry around the spin center and the alignment between magnetic and symmetric axes together play a crucial role in single-molecule magnet performance.
Yang, Zhao-Fu; Tian, Yong-Mei; Zhang, Wan-Ying; Chen, Peng; Li, Hong-Feng; Zhang, Yi-Quan; Sun, Wen-Bin; Dalton transactions (Cambridge, England : 2003) 48 (2019) 4931–4940; doi:10.1039/c9dt00058e

data_7049257
_publ_section_title
;
 High local coordination symmetry around the spin center and the alignment
 between magnetic and symmetric axes together play a crucial role in
 single-molecule magnet performance.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4931
_journal_page_last               4940
_journal_paper_doi               10.1039/c9dt00058e
_journal_volume                  48
_journal_year                    2019
_chemical_formula_sum            'C12 H14 Cl3 Dy N4 O3'
_chemical_formula_weight         531.12
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-30 deposited with the CCDC.    2019-03-06 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.6771(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.02653(15)
_cell_length_b                   19.3019(4)
_cell_length_c                   11.1247(2)
_cell_measurement_reflns_used    6017
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.1563
_cell_measurement_theta_min      3.1598
_cell_volume                     1715.07(6)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2011)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2011)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2011)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.883
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0318
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13903
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.22
_diffrn_reflns_theta_min         3.17
_exptl_absorpt_coefficient_mu    4.841
_exptl_absorpt_correction_T_max  0.484
_exptl_absorpt_correction_T_min  0.423
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,

Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)

(compiled Jan 23 2012,18:06:46)

Empirical absorption correction using 
spherical harmonics,
 
implemented in SCALE3 ABSPACK 
scaling algorithm.

;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.057
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1020
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.015
_refine_diff_density_min         -1.100
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         4105
_refine_ls_number_restraints     23
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0337
_refine_ls_R_factor_gt           0.0278
_refine_ls_shift/su_max          0.073
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0342P)^2^+0.6131P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0666
_refine_ls_wR_factor_ref         0.0698
_reflns_number_gt                3643
_reflns_number_total             4105
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt00058e2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7049253--7049258.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7049257