4-(2<i>H</i>-Tetrazol-5-yl)pyridinium perchlorate
Dai, Jing; Acta Crystallographica Section E 65 (2009) o1349–; doi:10.1107/S1600536809018200

data_2221977
_publ_section_title
;
 4-(2<i>H</i>-Tetrazol-5-yl)pyridinium perchlorate
;
_journal_coeditor_code           CV2545
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1349
_journal_paper_doi               10.1107/S1600536809018200
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C6 H6 N5 +, Cl O4 -'
_chemical_formula_moiety         'C6 H6 N5 +, Cl O4 -'
_chemical_formula_sum            'C6 H6 Cl N5 O4'
_chemical_formula_weight         247.61
_chemical_name_systematic
;
4-(2<i>H</i>-Tetrazol-5-yl)pyridinium perchlorate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 101.78(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.2033(10)
_cell_length_b                   14.764(3)
_cell_length_c                   12.244(2)
_cell_measurement_reflns_used    2108
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      3.24
_cell_volume                     920.8(3)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Mercury2'
_diffrn_measurement_method       'CCD profile fitting'
_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  0.0358
_diffrn_reflns_av_sigmaI/netI    0.0268
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9546
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.24
_exptl_absorpt_coefficient_mu    0.425
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.872
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.786
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.290
_refine_diff_density_min         -0.367
_refine_ls_extinction_coef       0.032(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         2108
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0413
_refine_ls_R_factor_gt           0.0352
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0391P)^2^+0.4636P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.0925
_reflns_number_gt                1849
_reflns_number_total             2108
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv2545.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2221977
_cod_database_fobs_code          2221977