Coulombic interactions, hydrogen bonding and supramolecular chirality in pyridinium trifluoromethanesulfonate
Goldberg, Israel; Acta Crystallographica Section C 65 (2009) o509–o511; doi:10.1107/S0108270109034866

data_2017336
_publ_section_title
;
 Coulombic interactions, hydrogen bonding and supramolecular chirality
 in pyridinium trifluoromethanesulfonate
;
_journal_coeditor_code           GA3132
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o509
_journal_page_last               o511
_journal_paper_doi               10.1107/S0108270109034866
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C5 H6 N +, C F3 O3 S -'
_chemical_formula_moiety         'C5 H6 N +, C F3 O3 S -'
_chemical_formula_sum            'C6 H6 F3 N O3 S'
_chemical_formula_weight         229.18
_chemical_name_systematic
;
pyridinium trifluoromethanesulfonate
;
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_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                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.5265(8)
_cell_length_b                   8.5265(8)
_cell_length_c                   24.388(2)
_cell_measurement_reflns_used    1793
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      26.00
_cell_measurement_theta_min      2.53
_cell_volume                     1773.0(3)
_computing_cell_refinement       'Denzo (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius, 1999)'
_computing_data_reduction        'Denzo (Otwinowski & Minor, 1997)'
_computing_molecular_graphics
;
ORTEP-III (Burnett & Johnson, 1996) and
Mercury (Macrae <i>et al.</i>,  2006)
;
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare <i>et al.</i>,  1999)'
_diffrn_ambient_temperature      110(2)
_diffrn_detector_area_resol_mean 12.8
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '0.3 deg. \w 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  0.0568
_diffrn_reflns_av_sigmaI/netI    0.0758
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            11922
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.53
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.395
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.717
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.377
_refine_diff_density_min         -0.388
_refine_ls_abs_structure_details 'Flack (1983), 657 Friedel pairs'
_refine_ls_abs_structure_Flack   0.08(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1752
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0994
_refine_ls_R_factor_gt           0.0594
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0622P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1095
_refine_ls_wR_factor_ref         0.1206
_reflns_number_gt                1222
_reflns_number_total             1752
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ga3132.cif
_cod_data_source_block           I
_cod_database_code               2017336
_cod_database_fobs_code          2017336