Novel hydrogen- and halogen-bonding anion receptors based on 3-iodopyridinium units
Amendola, Valeria; Bergamaschi, Greta; Boiocchi, Massimo; Fusco, Nadia; La Rocca, Mario Vincenzo; Linati, Laura; Lo Presti, Eliana; Mella, Massimo; Metrangolo, Pierangelo; Miljkovic, Ana; RSC Adv.  (2016) –; doi:10.1039/C6RA14703H

data_7225892
_publ_section_title
;
 Novel hydrogen- and halogen-bonding anion receptors based on
 3-iodopyridinium units
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA14703H
_journal_year                    2016
_chemical_formula_moiety         'C12 H11 I N, F6 P'
_chemical_formula_sum            'C12 H11 F6 I N P'
_chemical_formula_weight         441.09
_chemical_name_common
;
1-benzyl-3-iodopyridinium hexafluorophosphate
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-04-26 deposited with the CCDC.
2016-07-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.674(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.2557(10)
_cell_length_b                   9.7230(18)
_cell_length_c                   15.2850(14)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      13
_cell_measurement_theta_min      8
_cell_volume                     1513.8(3)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'PROFIT (Streltsov & Zavodnik, 1989)'
_computing_molecular_graphics    'Mercury (Macrae et al., 2008)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       'profiled 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  0.0189
_diffrn_reflns_av_unetI/netI     0.0309
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            3500
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.971
_diffrn_reflns_theta_min         1.999
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  300
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.276
_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.742
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
;
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.935
_exptl_crystal_description       'PLATY PRISM'
_exptl_crystal_F_000             848
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.529
_refine_diff_density_min         -0.722
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3289
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0874
_refine_ls_R_factor_gt           0.0604
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0465P)^2^+3.6648P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1314
_refine_ls_wR_factor_ref         0.1538
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2298
_reflns_number_total             3289
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ra14703h2.cif
_cod_data_source_block           1a_PF6
_cod_database_code               7225892
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              22792
_solvent_exptl_crystal_recrystallization_method acetonitrile