Pillar[4]pyridinium. A Square-Shaped Molecular Box
Kosiorek, Sandra; Rosa, Bartłomiej; Boinski, Tomasz; Butkiewicz, Helena; Szymański, Marek P.; Danylyuk, Oksana; Szumna, Agnieszka; Sashuk, Volodymyr; Chemical Communications  (2017) –; doi:10.1039/C7CC08562A

data_7120921
_publ_section_title
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 Pillar[4]pyridinium. A Square-Shaped Molecular Box
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C7CC08562A
_journal_year                    2017
_chemical_formula_sum            'C24 H26 I4 N4 O5'
_chemical_formula_weight         958.09
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           87
_space_group_name_Hall           '-I 4'
_space_group_name_H-M_alt        'I 4/m'
_symmetry_space_group_name_Hall  '-I 4'
_symmetry_space_group_name_H-M   'I 4/m'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2017-08-31 deposited with the CCDC.
2017-11-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.3986(5)
_cell_length_b                   13.3986(5)
_cell_length_c                   8.7112(6)
_cell_measurement_reflns_used    1507
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      30.480
_cell_measurement_theta_min      3.034
_cell_volume                     1563.86(14)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
;
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_detector_area_resol_mean 16.297
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0326
_diffrn_reflns_av_unetI/netI     0.0257
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3064
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.354
_diffrn_reflns_theta_min         3.041
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    4.023
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.558
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.035
_exptl_crystal_description       plate
_exptl_crystal_F_000             900
_refine_diff_density_max         1.897
_refine_diff_density_min         -0.858
_refine_diff_density_rms         0.155
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     53
_refine_ls_number_reflns         848
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0394
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0381P)^2^+15.0839P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.0916
_reflns_Friedel_coverage         0.000
_reflns_number_gt                762
_reflns_number_total             848
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cc08562a2.cif
_cod_data_source_block           bar_2_mo
_cod_original_cell_volume        1563.86(16)
_cod_database_code               7120921
_shelxl_version_number           2013-3
_shelx_res_checksum              93881