<i>R</i>CuMg<sub>2</sub> compounds (<i>R</i> = Dy-Tm, Lu): crystal structure, chemical bonding and magnetic properties.
Solokha, P.; Skachko, D.; Freccero, R.; Kortus, J.; Gumeniuk, R.; De Negri, S.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 16014–16027; doi:10.1039/d5dt01632k

data_7719610
_publ_section_title
;
 <i>R</i>CuMg<sub>2</sub> compounds (<i>R</i> = Dy-Tm, Lu): crystal
 structure, chemical bonding and magnetic properties.
;
_journal_issue                   43
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16014
_journal_page_last               16027
_journal_paper_doi               10.1039/d5dt01632k
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'Cu4 Dy4, 8(Mg)'
_chemical_formula_sum            'Cu Dy Mg2'
_chemical_formula_weight         274.66
_space_group_crystal_system      orthorhombic
_space_group_IT_number           51
_space_group_name_Hall           '-P 2a 2a'
_space_group_name_H-M_alt        'P m m a'
_audit_creation_method           SHELXL-2019/1
_audit_update_record
;
2024-09-03 deposited with the CCDC.	2025-09-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.5397(4)
_cell_length_b                   3.75940(10)
_cell_length_c                   13.7985(4)
_cell_measurement_reflns_used    1158
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.459
_cell_measurement_theta_min      2.952
_cell_volume                     702.36(3)
_computing_structure_refinement  'SHELXL-2019/1 (Sheldrick, 2019)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'PHOTON III'
_diffrn_measurement_method       'four \w scan'
_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  0.0311
_diffrn_reflns_av_unetI/netI     0.0150
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14099
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.459
_diffrn_reflns_theta_min         2.952
_exptl_absorpt_coefficient_mu    27.234
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            'metallic grey'
_exptl_crystal_density_diffrn    5.195
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregularly shaped'
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.045
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.015
_exptl_transmission_factor_max   0.7461
_exptl_transmission_factor_min   0.4342
_refine_diff_density_max         1.023
_refine_diff_density_min         -1.689
_refine_diff_density_rms         0.206
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.180
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     53
_refine_ls_number_reflns         1259
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.180
_refine_ls_R_factor_all          0.0232
_refine_ls_R_factor_gt           0.0201
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0077P)^2^+6.2174P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0436
_refine_ls_wR_factor_ref         0.0448
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1158
_reflns_number_total             1259
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt01632k2.cif
_cod_data_source_block           PS_1_DyCuMg2_new_0ma_a
_cod_depositor_comments          'Adding full bibliography for 7719610.cif.'
_cod_database_code               7719610
_shelx_shelxl_version_number     2019/1
_shelx_res_checksum              91805
_shelx_hkl_checksum              8308