Linker Desymmetrization: Access to a Series of Rare-Earth Tetracarboxylate Frameworks with Eight-Connected Hexanuclear Nodes
Lv, Xiu-Liang; Feng, Liang; Xie, Lin-Hua; He, Tao; Wu, Wei; Wang, Kun-Yu; Si, Guangrui; Wang, Bin; Li, Jian-Rong; Zhou, Hong-Cai; Journal of the American Chemical Society  (2021) –; doi:10.1021/jacs.0c11546

data_4135545
_publ_section_title
;
 Linker Desymmetrization: Access to a Series of Rare-Earth
 Tetracarboxylate Frameworks with Eight-Connected Hexanuclear Nodes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c11546
_journal_year                    2021
_chemical_formula_sum            'C92 H68 Eu6 O34'
_chemical_formula_weight         2629.22
_space_group_crystal_system      tetragonal
_space_group_IT_number           128
_space_group_name_Hall           '-P 4 2n'
_space_group_name_H-M_alt        'P 4/m n c'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/1
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   19.4615(2)
_cell_length_b                   19.4615(2)
_cell_length_c                   33.5718(6)
_cell_measurement_reflns_used    6813
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      73.6570
_cell_measurement_theta_min      4.5200
_cell_volume                     12715.3(3)
_computing_cell_refinement       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2018/1 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.3376
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0784
_diffrn_reflns_av_unetI/netI     0.0546
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            38030
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         76.911
_diffrn_reflns_theta_min         4.154
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    10.675
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.52260
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_density_diffrn    0.687
_exptl_crystal_description       octahedral
_exptl_crystal_F_000             2540
_exptl_crystal_size_max          0.050
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.714
_refine_diff_density_min         -0.875
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.960
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         6766
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0471
_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^)+(0.0841P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1282
_refine_ls_wR_factor_ref         0.1495
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4171
_reflns_number_total             6766
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c11546_si_002.cif
_cod_data_source_block           shelx
_cod_database_code               4135545
_shelx_shelxl_version_number     2018/1
_shelx_res_checksum              7211
_shelx_hkl_checksum              52266
_shelx_fab_checksum              9208