Inorganic anion-aided coordination of lanthanide metal ions to cucurbituril and supramolecular self-assembly: potential applications in the separation of light lanthanides
Zhao, Yi; Liang, Li-Li; Chen, Kai; Zhang, Ting; Xiao, Xin; Zhang, Yun-Qian; Tao, Zhu; Xue, Sai-Feng; Zhu, Qian-Jiang; CrystEngComm 15 (2013) 7987–; doi:10.1039/c3ce40568k

data_7210815
_publ_section_title
;
 Inorganic anion-aided coordination of lanthanide metal ions to
 cucurbituril and supramolecular self-assembly: potential applications in
 the separation of light lanthanides
;
_journal_issue                   39
_journal_name_full               CrystEngComm
_journal_page_first              7987
_journal_paper_doi               10.1039/c3ce40568k
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C36 H116 Cl10 N24 O52 Sm2 Zn2'
_chemical_formula_weight         2503.47
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.840(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4581(11)
_cell_length_b                   26.990(3)
_cell_length_c                   29.150(3)
_cell_measurement_temperature    223(2)
_cell_volume                     8198.7(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker CCD Area Detector'
_diffrn_measurement_method       '\f and \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  0.0873
_diffrn_reflns_av_sigmaI/netI    0.0788
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            77241
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.03
_exptl_absorpt_coefficient_mu    2.437
_exptl_absorpt_correction_T_max  0.6821
_exptl_absorpt_correction_T_min  0.6162
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.028
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             5080
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_platon_squeeze_details
;
;
_refine_diff_density_max         2.839
_refine_diff_density_min         -1.715
_refine_diff_density_rms         0.362
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     865
_refine_ls_number_reflns         15963
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.1450
_refine_ls_R_factor_gt           0.1112
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3127
_refine_ls_wR_factor_ref         0.3369
_reflns_number_gt                9813
_reflns_number_total             15963
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40568k.txt
_cod_data_source_block           p306
_cod_original_cell_volume        8198.8(15)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7210815