Two hydrates of 2,6-bis(1<i>H</i>-benzimidazol-2-yl)pyridine
Eleonora Freire; Sergio Baggio; Muñoz, Juan Carlos; Ricardo Baggio; Acta Crystallographica Section C 59 (2003) o259–o262; doi:10.1107/S0108270103006668

data_2013308
_publ_section_title
;
 Two hydrates of 2,6-bis(1<i>H</i>-benzimidazol-2-yl)pyridine
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o259
_journal_page_last               o262
_journal_paper_doi               10.1107/S0108270103006668
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C19 H13 N5, 1.5H2 O'
_chemical_formula_moiety         'C19 H13 N5, 1.5H2 O'
_chemical_formula_sum            'C19 H16 N5 O1.5'
_chemical_formula_weight         338.37
_chemical_name_systematic
;
2,6-bis(2-benzimidazolyl) pyridine, 1.5 hydrate
;
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.81(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.813(2)
_cell_length_b                   18.417(2)
_cell_length_c                   10.322(2)
_cell_measurement_reflns_used    154
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.53
_cell_measurement_theta_min      3.12
_cell_volume                     3457.5(9)
_computing_cell_refinement       SMART-NT
_computing_data_collection       'SMART-NT (Bruker, 2001)'
_computing_data_reduction        'SAINT-NT (Bruker, 2000)'
_computing_molecular_graphics    'XP in SHELXTL/PC (Sheldrick, 1994)'
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\f and \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  0.0636
_diffrn_reflns_av_sigmaI/netI    0.1226
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            17546
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.57
_diffrn_standards_decay_%        <2
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.157
_refine_diff_density_min         -0.155
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.881
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     501
_refine_ls_number_reflns         6086
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      0.881
_refine_ls_R_factor_all          0.1309
_refine_ls_R_factor_gt           0.0460
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0202P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0677
_refine_ls_wR_factor_ref         0.0870
_reflns_number_gt                2514
_reflns_number_total             6086
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            kb1001.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'geom+difmap' was changed to
'mixed'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_cell_volume        3457.5(8)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2013308
_cod_database_fobs_code          2013308