2-(4-Pyridyl)-1<i>H</i>-benzimidazole trihydrate
Huang, Xiao-Chun; Zhen, Ming-Hua; Ng, Seik Weng; Acta Crystallographica Section E 60 (2004) o939–o940; doi:10.1107/S1600536804010244

data_2203835
_publ_section_title
;
 2-(4-Pyridyl)-1<i>H</i>-benzimidazole trihydrate
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o939
_journal_page_last               o940
_journal_paper_doi               10.1107/S1600536804010244
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C12 H9 N3, 3H2 O'
_chemical_formula_moiety         'C12 H9 N3, 3H2 O'
_chemical_formula_sum            'C12 H15 N3 O3'
_chemical_formula_weight         249.27
_chemical_name_systematic
;
2-(4-Pyridyl)-1H-benzimidazole trihydrate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.209(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3913(6)
_cell_length_b                   9.3377(8)
_cell_length_c                   18.643(2)
_cell_measurement_reflns_used    1887
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.9
_cell_measurement_theta_min      2.4
_cell_volume                     1283.2(2)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device_type  'Bruker APEX area-detector'
_diffrn_measurement_method       '\f and \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  0.027
_diffrn_reflns_av_sigmaI/netI    0.031
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            10725
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.2
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.18
_refine_diff_density_min         -0.21
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.01
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2925
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.01
_refine_ls_R_factor_all          0.080
_refine_ls_R_factor_gt           0.050
_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^)+(0.0733P)^2^+0.0813P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.124
_refine_ls_wR_factor_ref         0.142
_reflns_number_gt                1910
_reflns_number_total             2925
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ww6198.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 'Monoclinic' changed to 'monoclinic'
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        1283.3(2)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2203835
_cod_database_fobs_code          2203835