Second-Sphere Tethering of Rare-Earth Ions to Cucurbit[6]uril by Iminodiacetic Acid Involving Carboxylic Group Encapsulation
Pierre Thuéry; Inorganic Chemistry 49 (2010) 9078–9085; doi:10.1021/ic101396a

data_4316655
_publ_section_title
;
 Second-Sphere Tethering of Rare-Earth Ions to Cucurbit[6]uril by
 Iminodiacetic Acid Involving Carboxylic Group Encapsulation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9078
_journal_page_last               9085
_journal_paper_doi               10.1021/ic101396a
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C44 H68 N28 O34'
_chemical_formula_weight         1533.26
_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                 106.178(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.8996(5)
_cell_length_b                   21.3947(9)
_cell_length_c                   12.4175(5)
_cell_measurement_reflns_used    84620
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      2.30
_cell_volume                     3036.2(2)
_computing_cell_refinement       'HKL2000 (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'HKL2000 (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008); PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius Kappa-CCD area-detector diffractometer'
_diffrn_measurement_method
'two \f and four \w scans with 2\% steps (453 frames)'
_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  0.0352
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            84620
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         2.30
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.145
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.677
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1600
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         5739
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0460
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0571P)^2^+1.1761P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1053
_refine_ls_wR_factor_ref         0.1136
_reflns_number_gt                4387
_reflns_number_total             5739
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101396a_si_001_10.cif
_cod_data_source_block           10
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4316655