[CdCl4]2− anion-induced coordination of Ln3+ to cucurbit[8]uril and the formation of supramolecular self-assemblies: potential application in isolation of light lanthanides
Cheng, Xiao-Jie; Ji, Ning-Ning; Zhao, Yi; Liang, Li-Li; Xiao, Xin; Zhang, Yun-Qian; Xue, Sai-Feng; Zhu, Qian-Jiang; Tao, Zhu; CrystEngComm 16 (2014) 144–; doi:10.1039/c3ce41769g

data_7213554
_publ_section_title
;
 [CdCl4]2&#x2212; anion-induced coordination of Ln3+ to cucurbit[8]uril
 and the formation of supramolecular self-assemblies: potential
 application in isolation of light lanthanides
;
_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              144
_journal_paper_doi               10.1039/c3ce41769g
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C96 H250 Cd2 Cl14 N66 O115 Sm4'
_chemical_formula_weight         5492.12
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                84.728(2)
_cell_angle_beta                 65.772(2)
_cell_angle_gamma                71.667(2)
_cell_formula_units_Z            1
_cell_length_a                   17.0632(10)
_cell_length_b                   18.0202(10)
_cell_length_c                   18.2840(10)
_cell_measurement_temperature    223(2)
_cell_volume                     4862.1(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker Smart Apex2 CCD 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  0.0588
_diffrn_reflns_av_sigmaI/netI    0.0653
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            51346
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    1.722
_exptl_absorpt_correction_T_max  0.6928
_exptl_absorpt_correction_T_min  0.6350
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.876
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2790
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.23
_platon_squeeze_details
;
;
_refine_diff_density_max         1.311
_refine_diff_density_min         -0.909
_refine_diff_density_rms         0.162
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.126
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1082
_refine_ls_number_reflns         17129
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.0878
_refine_ls_R_factor_gt           0.0687
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1215P)^2^+9.5761P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2066
_refine_ls_wR_factor_ref         0.2254
_reflns_number_gt                12192
_reflns_number_total             17129
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41769g.txt
_cod_data_source_block           complex3
_cod_database_code               7213554