Formation of a dimeric host-guest complex via binding between a dicationic ionic liquid and a pyrogallol[4]arene macrocycle.
Fowler, Drew A.; Atwood, Jerry L.; Baker, Gary A.; Chemical communications (Cambridge, England) 49 (2013) 1802–1804; doi:10.1039/c3cc37345b

data_7112299
_publ_section_title
;
 Formation of a dimeric host-guest complex via binding between a
 dicationic ionic liquid and a pyrogallol[4]arene macrocycle.
;
_journal_issue                   18
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1802
_journal_page_last               1804
_journal_paper_doi               10.1039/c3cc37345b
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         '2(C36 H40 O12), C11 H18 N4, 2(Br), 3(H2 O)'
_chemical_formula_sum            'C83 H104 Br2 N4 O27'
_chemical_formula_weight         1749.52
_chemical_name_common            C2Dicat
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 92.266(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   34.618(10)
_cell_length_b                   10.229(3)
_cell_length_c                   22.447(7)
_cell_measurement_reflns_used    4000
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      21.21
_cell_measurement_theta_min      2.20
_cell_volume                     7942(4)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2008)'
_computing_data_collection       'APEX2 (Bruker AXS, 2008)'
_computing_data_reduction        'APEX2 (Bruker AXS, 2008)'
_computing_molecular_graphics
'X-Seed (Atwood & Barbour, 2003; Barbour, 2001)'
_computing_publication_material
'X-Seed (Atwood & Barbour, 2003; Barbour, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_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  0.0754
_diffrn_reflns_av_sigmaI/netI    0.0586
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            37171
_diffrn_reflns_theta_full        24.81
_diffrn_reflns_theta_max         24.81
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    1.107
_exptl_absorpt_correction_T_max  0.8974
_exptl_absorpt_correction_T_min  0.6076
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Bruker-SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3664
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.022
_refine_diff_density_min         -1.074
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     611
_refine_ls_number_reflns         6841
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.1003
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0430P)^2^+26.4358P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1104
_refine_ls_wR_factor_ref         0.1315
_reflns_number_gt                4248
_reflns_number_total             6841
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7108877
_cod_data_source_file            c3cc37345b.txt
_cod_data_source_block           C:\xtal\C2DICAT.CIF
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7112299