4,4'-Bis(benzimidazol-1-yl)biphenyl
Li, Zuo-Xi; Zuo, Yi; Hu, Tong-Liang; Acta Crystallographica Section E 64 (2008) o141–o141; doi:10.1107/S1600536807063350

data_2217053
_publ_section_title
;
 4,4'-Bis(benzimidazol-1-yl)biphenyl
;
_journal_coeditor_code           GG2046
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o141
_journal_page_last               o141
_journal_paper_doi               10.1107/S1600536807063350
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C26 H18 N4'
_chemical_formula_moiety         'C26 H18 N4'
_chemical_formula_sum            'C26 H18 N4'
_chemical_formula_weight         386.44
_chemical_melting_point          566
_chemical_name_systematic
;
4,4'-Bis(benzimidazol-1-yl)biphenyl
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90.74(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.628(4)
_cell_length_b                   6.8964(14)
_cell_length_c                   13.760(3)
_cell_measurement_reflns_used    2932
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.66
_cell_measurement_theta_min      2.57
_cell_volume                     1862.4(7)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1998)'
_computing_publication_material  'SHELXTL  (Bruker, 1998)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_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  0.0369
_diffrn_reflns_av_sigmaI/netI    0.0242
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9091
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.96
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.904
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1998)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.378
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.18
_refine_diff_density_min         -0.17
_refine_ls_extinction_coef       0.032(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         1644
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0413
_refine_ls_R_factor_gt           0.0365
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0718P)^2^+0.0391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0993
_refine_ls_wR_factor_ref         0.1032
_reflns_number_gt                1415
_reflns_number_total             1644
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gg2046.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_sg_symbol_Hall     '-c 2yc'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2217053
_cod_database_fobs_code          2217053