A High-Symmetry Coordination Cage from 38- or 62-Component Self-Assembly
Xiao-Ping Zhou; Jie Liu; Shun-Ze Zhan; Ju-Rong Yang; Dan Li; Kwan-Ming Ng; Raymond Wai-Yin Sun; Chi-Ming Che; Journal of the American Chemical Society 134 (2012) 8042–8045; doi:10.1021/ja302142c

data_4117935
_publ_section_title
;
 A High-Symmetry Coordination Cage from 38- or 62-Component Self-Assembly
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8042
_journal_page_last               8045
_journal_paper_doi               10.1021/ja302142c
_journal_volume                  134
_journal_year                    2012
_chemical_formula_sum            'C120 H144 N72 Ni14'
_chemical_formula_weight         3417.01
_space_group_IT_number           207
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'P 4 2 3'
_symmetry_space_group_name_H-M   'P 4 3 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            1
_cell_length_a                   16.2323(5)
_cell_length_b                   16.2323(5)
_cell_length_c                   16.2323(5)
_cell_measurement_temperature    293(2)
_cell_volume                     4277.0(2)
_computing_cell_refinement
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_molecular_graphics    Olex-2
_computing_publication_material  Olex-2
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.4098
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0642
_diffrn_reflns_av_sigmaI/netI    0.0829
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -2
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3138
_diffrn_reflns_theta_full        62.68
_diffrn_reflns_theta_max         62.68
_diffrn_reflns_theta_min         3.85
_exptl_absorpt_coefficient_mu    2.104
_exptl_absorpt_correction_T_max  0.863
_exptl_absorpt_correction_T_min  0.817
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            light-yellow
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_description       block-like
_exptl_crystal_F_000             1760
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_platon_squeeze_details
;
;
_refine_diff_density_max         0.929
_refine_diff_density_min         -0.361
_refine_diff_density_rms         0.131
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.5(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     80
_refine_ls_number_reflns         1164
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.1586
_refine_ls_R_factor_gt           0.1050
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1605P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2500
_refine_ls_wR_factor_ref         0.2838
_reflns_number_gt                579
_reflns_number_total             1164
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja302142c_si_002_2.cif
_cod_data_source_block           crystal-2
_cod_database_code               4117935