Host–guest conformational adaptation in the crystal complexes of pentamidine and p-sulfonato-calix[n]arenes
Kravets, Kateryna; Kravets, Mykola; Danylyuk, Oksana; CrystEngComm 27 (2025) 6611–6622; doi:10.1039/D5CE00666J

data_1575746
_publ_section_title
;
 Host--guest conformational adaptation in the crystal complexes of
 pentamidine and p-sulfonato-calix[n]arenes
;
_journal_issue                   40
_journal_name_full               CrystEngComm
_journal_page_first              6611
_journal_page_last               6622
_journal_paper_doi               10.1039/D5CE00666J
_journal_volume                  27
_journal_year                    2025
_chemical_formula_moiety
'2(C56 H40 O32 S8), 8(C19 H26 N4 O2), 2(C3 H8 O), 38.2(H2 O)'
_chemical_formula_sum            'C270 H380.48 N32 O120.24 S16'
_chemical_formula_weight         6511.32
_chemical_name_common
'p-sulfonato-calix[8]arene/ pentamidine / isopropanol host-guest complex'
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2025-07-03 deposited with the CCDC.	2025-09-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.325(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   34.1908(18)
_cell_length_b                   41.4283(12)
_cell_length_c                   46.9910(18)
_cell_measurement_reflns_used    5145
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      60.065
_cell_measurement_theta_min      3.063
_cell_volume                     66274(5)
_computing_cell_refinement       'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.45a (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_detector_area_resol_mean 16.2974
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.2354
_diffrn_reflns_av_unetI/netI     0.2933
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -46
_diffrn_reflns_limit_l_max       52
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            129320
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        58.934
_diffrn_reflns_theta_max         58.934
_diffrn_reflns_theta_min         4.551
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.764
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.63608
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.45a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       prism
_exptl_crystal_F_000             27539
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.470
_refine_diff_density_min         -0.461
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     4456
_refine_ls_number_reflns         47500
_refine_ls_number_restraints     3811
_refine_ls_restrained_S_all      0.906
_refine_ls_R_factor_all          0.3230
_refine_ls_R_factor_gt           0.1333
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1993P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3328
_refine_ls_wR_factor_ref         0.4960
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10933
_reflns_number_total             47500
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00666j1.cif
_cod_data_source_block           shelx_CCDC2
_cod_depositor_comments
'Adding full bibliography for 1575742--1575748.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1575746
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.719
_shelx_estimated_absorpt_t_max   0.886
_shelx_res_checksum              50764