Coordination nanotubes self-assembled from cucurbit[7]uril and lanthanide cations
Liang, Li-Li; Zhao, Yi; Zhang, Yun-Qian; Tao, Zhu; Xue, Sai-Feng; Zhu, Qian-Jiang; Liu, Jing-Xin; CrystEngComm 15 (2013) 3943–; doi:10.1039/c3ce40147b

data_7210771
_publ_section_title
;
 Coordination nanotubes self-assembled from cucurbit[7]uril and lanthanide
 cations
;
_journal_issue                   19
_journal_name_full               CrystEngComm
_journal_page_first              3943
_journal_paper_doi               10.1039/c3ce40147b
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety
'C42 H66 N28 O26 Ce2, 2(Zn Cl4), 2Cl, 25(H2 O)'
_chemical_formula_sum            'C42 H116 Ce2 Cl10 N28 O51 Zn2'
_chemical_formula_weight         2595.11
_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                98.006(2)
_cell_angle_beta                 112.6410(10)
_cell_angle_gamma                109.750(2)
_cell_formula_units_Z            2
_cell_length_a                   16.9138(8)
_cell_length_b                   17.2483(8)
_cell_length_c                   20.4015(9)
_cell_measurement_temperature    223(2)
_cell_volume                     4915.2(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0403
_diffrn_reflns_av_sigmaI/netI    0.0448
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            51861
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.14
_exptl_absorpt_coefficient_mu    1.768
_exptl_absorpt_correction_T_max  0.6865
_exptl_absorpt_correction_T_min  0.6101
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.753
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2636
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.23
_platon_squeeze_details
;
;
_refine_diff_density_max         2.381
_refine_diff_density_min         -3.296
_refine_diff_density_rms         0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1019
_refine_ls_number_reflns         17254
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0640
_refine_ls_R_factor_gt           0.0567
_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^+3.9991P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1719
_refine_ls_wR_factor_ref         0.1796
_reflns_number_gt                14335
_reflns_number_total             17254
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40147b.txt
_cod_data_source_block           p4
_cod_database_code               7210771