2-(2<i>H</i>-Tetrazol-5-yl)pyridinium perchlorate monohydrate
Dai, Jing; Zheng, Wen-Ni; Acta Crystallographica Section E 66 (2010) o71–; doi:10.1107/S160053680905199X

data_2224588
_publ_section_title
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 2-(2<i>H</i>-Tetrazol-5-yl)pyridinium perchlorate monohydrate
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_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o71
_journal_paper_doi               10.1107/S160053680905199X
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C6 H6 N5 +, Cl O4 -, H2 O'
_chemical_formula_moiety         'C6 H6 N5 +, Cl O4 -, H2 O'
_chemical_formula_sum            'C6 H8 Cl N5 O5'
_chemical_formula_weight         265.62
_chemical_name_systematic
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2-(2H-Tetrazol-5-yl)pyridinium perchlorate monohydrate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                78.28(3)
_cell_angle_beta                 70.20(3)
_cell_angle_gamma                67.97(3)
_cell_formula_units_Z            2
_cell_length_a                   7.9945(16)
_cell_length_b                   8.8679(18)
_cell_length_c                   9.4184(19)
_cell_measurement_reflns_used    2081
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.111
_cell_volume                     580.1(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 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Mercury2'
_diffrn_measurement_method       \w
_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  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6033
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.11
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.349
_exptl_absorpt_correction_T_max  0.940
_exptl_absorpt_correction_T_min  0.881
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.521
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             272
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.526
_refine_diff_density_min         -0.614
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2661
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0828
_refine_ls_R_factor_gt           0.0649
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0988P)^2^+0.7631P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1821
_refine_ls_wR_factor_ref         0.1949
_reflns_number_gt                2081
_reflns_number_total             2661
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2980.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        580.1(2)
_cod_database_code               2224588
_cod_database_fobs_code          2224588