Selective anion encapsulation by a metalated cryptophane with a pi-acidic interior.
Fairchild, Robert M.; Holman, K. Travis; Journal of the American Chemical Society 127 (2005) 16364–16365; doi:10.1021/ja055560i

data_4100886
_publ_section_title
;
 Selective anion encapsulation by a metalated cryptophane with a
 pi-acidic interior.
;
_journal_issue                   47
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16364
_journal_page_last               16365
_journal_paper_doi               10.1021/ja055560i
_journal_volume                  127
_journal_year                    2005
_chemical_formula_sum            'C142.67 H227 F36 N25.67 O63.33 Ru6 Sb6'
_chemical_formula_weight         5336.09
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   19.3059(19)
_cell_length_b                   19.3059(19)
_cell_length_c                   47.475(9)
_cell_measurement_reflns_used    1002
_cell_measurement_temperature    188(2)
_cell_measurement_theta_max      27.68
_cell_measurement_theta_min      2.50
_cell_volume                     15324(4)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics
'X-SEED, L.Barbour (1999); http://x-seed.net/'
_computing_structure_refinement  'SHELXL-97-2, G. Sheldrick (1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      188(2)
_diffrn_measured_fraction_theta_full 0.938
_diffrn_measured_fraction_theta_max 0.938
_diffrn_measurement_device_type  'SMART 1000 platform CCD, Bruker'
_diffrn_measurement_method       'omega scans'
_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  0.0524
_diffrn_reflns_av_sigmaI/netI    0.0522
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       56
_diffrn_reflns_limit_l_min       -56
_diffrn_reflns_number            20832
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.29
_exptl_absorpt_coefficient_mu    1.326
_exptl_absorpt_correction_T_max  0.8258
_exptl_absorpt_correction_T_min  0.7590
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, G. Sheldrick (1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.735
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             7990
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.538
_refine_diff_density_min         -1.281
_refine_diff_density_rms         0.279
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.160
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     513
_refine_ls_number_reflns         5616
_refine_ls_number_restraints     180
_refine_ls_restrained_S_all      1.161
_refine_ls_R_factor_all          0.1187
_refine_ls_R_factor_gt           0.0834
_refine_ls_shift/su_max          2.093
_refine_ls_shift/su_mean         0.035
_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          0.2623
_refine_ls_wR_factor_ref         0.2869
_reflns_number_gt                3980
_reflns_number_total             5616
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja055560isi20050815_120258.cif
_cod_data_source_block           c:\travis\xray\crypto~1\04190\04190
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               4100886