The miracle of self-assembly: a journey of the {Ln<sub>6</sub>F<sub>8</sub>} core in the world of lanthanides.
Boltkov, Evgeny D.; Buzoverov, Mikhail E.; Lermontova, Elmira Kh; Belousov, Yury A.; Steshenko, Dmitry A.; Gontcharenko, Victoria E.; Glazunova, Tatyana Yu; Dalton transactions (Cambridge, England : 2003) 54 (2025) 12503–12515; doi:10.1039/d5dt01105a

data_7719228
_publ_section_title
;
 The miracle of self-assembly: a journey of the
 {Ln<sub>6</sub>F<sub>8</sub>} core in the world of lanthanides.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12503
_journal_page_last               12515
_journal_paper_doi               10.1039/d5dt01105a
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety
'C17.04 H7.48 Eu4 F30.89 Na O20.52, 0.48(C2 H F3 O2), 0.33(O3) H2 O'
_chemical_formula_sum            'C18 H9.96 Eu4 F32.33 Na O23.48'
_chemical_formula_weight         1847.06
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2025-06-16 deposited with the CCDC.	2025-07-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            18
_cell_length_a                   32.5295(6)
_cell_length_b                   32.5295(6)
_cell_length_c                   23.6298(7)
_cell_measurement_reflns_used    9884
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.398
_cell_measurement_theta_min      2.505
_cell_volume                     21654.4(9)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker AXS D8 VENTURE PHOTON III C14 IuS 3.0'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0849
_diffrn_reflns_av_unetI/netI     0.0610
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       42
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            69123
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.499
_diffrn_reflns_theta_min         1.252
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    5.350
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.5458
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.550
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             15476
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.812
_refine_diff_density_min         -1.384
_refine_diff_density_rms         0.226
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     768
_refine_ls_number_reflns         11063
_refine_ls_number_restraints     440
_refine_ls_restrained_S_all      1.130
_refine_ls_R_factor_all          0.0721
_refine_ls_R_factor_gt           0.0442
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0483P)^2^+174.0063P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1011
_refine_ls_wR_factor_ref         0.1085
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8241
_reflns_number_total             11063
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt01105a2.cif
_cod_data_source_block           eu
_cod_depositor_comments
'Adding full bibliography for 7719222--7719228.cif.'
_cod_original_cell_volume        21654.4(10)
_cod_database_code               7719228
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              23189
_shelx_hkl_checksum              53031