1,4-Bis(2-benzimidazolyl)benzene
Bei, Fengli; Jian, Fangfang; Yang, Xujie; Lu, Lude; Wang, Xin; Shanmuga Sundara Raj, S.; Fun, Hoong-Kun; Acta Crystallographica Section C 56 (2000) 718–719; doi:10.1107/S0108270100003978

data_2011065
_publ_section_title
;
 1,4-Bis(2-benzimidazolyl)benzene
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              718
_journal_page_last               719
_journal_paper_doi               10.1107/S0108270100003978
_journal_volume                  56
_journal_year                    2000
_chemical_formula_sum            'C20 H14 N4'
_chemical_formula_weight         310.35
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2400(3)
_cell_length_b                   9.7505(2)
_cell_length_c                   15.0310(4)
_cell_measurement_reflns_used    3853
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.32
_cell_measurement_theta_min      2.71
_cell_volume                     1500.77(7)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material
;
SHELXTL and PLATON (Spek, 1990)
;
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full .993
_diffrn_measured_fraction_theta_max .993
_diffrn_measurement_device_type
;
Siemens SMART CCD area detector diffractometer
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0757
_diffrn_reflns_av_sigmaI/netI    .0561
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9577
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.71
_exptl_absorpt_coefficient_mu    .085
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             648
_exptl_crystal_size_max          .50
_exptl_crystal_size_mid          .12
_exptl_crystal_size_min          .10
_refine_diff_density_max         .185
_refine_diff_density_min         -.298
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1846
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          .1110
_refine_ls_R_factor_gt           .0667
_refine_ls_shift/su_max          .000
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0584P)^2^+0.4289P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .1551
_reflns_number_gt                1223
_reflns_number_total             1846
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            sk1369.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_database_code               2011065