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_4135544
_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_moiety         'C248 H188 Eu12 O68'
_chemical_formula_sum            'C132 H89 Eu6 N0 O34'
_chemical_formula_weight         3130.79
_chemical_name_systematic
; 
Olex2 1.2 
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506) 
;
_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
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_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                   20.6567(4)
_cell_length_b                   20.6567(4)
_cell_length_c                   42.465(2)
_cell_measurement_reflns_used    111734
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      59.366
_cell_measurement_theta_min      3.785
_cell_volume                     18119.8(10)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2018/1 (Sheldrick, 2018)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1352
_diffrn_reflns_av_unetI/netI     0.0444
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       47
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            111734
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        59.366
_diffrn_reflns_theta_max         59.366
_diffrn_reflns_theta_min         3.785
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    7.530
_exptl_crystal_density_diffrn    0.574
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3062
_refine_diff_density_max         0.986
_refine_diff_density_min         -0.805
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         6702
_refine_ls_number_restraints     425
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.1829
_refine_ls_R_factor_gt           0.0897
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+20.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2639
_refine_ls_wR_factor_ref         0.3791
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2625
_reflns_number_total             6702
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c11546_si_002.cif
_cod_data_source_block           shelx
_cod_original_cell_volume        18120.0(11)
_cod_database_code               4135544
_shelx_shelxl_version_number     2018/1
_shelx_res_checksum              76227
_shelx_hkl_checksum              92472
_shelx_fab_checksum              62012