4-(1<i>H</i>-Tetrazol-5-yl)pyridinium bromide
Zheng, Wen-Ni; Chen, Xin-Yuan; Acta Crystallographica Section E 67 (2011) o53–; doi:10.1107/S1600536810050658

data_2228843
_publ_section_title
;
 4-(1<i>H</i>-Tetrazol-5-yl)pyridinium bromide
;
_journal_coeditor_code           PK2287
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o53
_journal_paper_doi               10.1107/S1600536810050658
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C6 H6 N5 +, Br -'
_chemical_formula_moiety         'C6 H6 N5 +, Br -'
_chemical_formula_sum            'C6 H6 Br N5'
_chemical_formula_weight         228.07
_chemical_name_systematic
;
4-(1<i>H</i>-Tetrazol-5-yl)pyridinium bromide
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 92.38(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.8688(10)
_cell_length_b                   7.6850(15)
_cell_length_c                   11.174(2)
_cell_measurement_reflns_used    1897
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      3.22
_cell_volume                     417.73(14)
_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 13.66
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Mercury2'
_diffrn_measurement_method       '\w scan'
_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  0.0331
_diffrn_reflns_av_sigmaI/netI    0.0474
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4378
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         3.22
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.870
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.910
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.813
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             224
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.280
_refine_ls_abs_structure_details 'Flack (1983), 869 Friedel pairs'
_refine_ls_abs_structure_Flack   0.045(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1897
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0294
_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^)+(0.0135P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0559
_refine_ls_wR_factor_ref         0.0576
_reflns_number_gt                1738
_reflns_number_total             1897
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            pk2287.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2228843
_cod_database_fobs_code          2228843