2-(3,4-Difluorophenyl)-1<i>H</i>-benzimidazole
Krishnamurthy, M. S.; Fathima, Nikhath; Nagarajaiah, H.; Begum, Noor Shahina; Acta Crystallographica Section E 69 (2013) o1689–; doi:10.1107/S1600536813028559

data_2240733
_publ_section_title
;
 2-(3,4-Difluorophenyl)-1<i>H</i>-benzimidazole
;
_journal_coeditor_code           LH5659
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1689
_journal_paper_doi               10.1107/S1600536813028559
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C13 H8 F2 N2'
_chemical_formula_moiety         'C13 H8 F2 N2'
_chemical_formula_sum            'C13 H8 F2 N2'
_chemical_formula_weight         230.21
_chemical_name_systematic
;
2-(3,4-Difluorophenyl)-1<i>H</i>-benzimidazole
;
_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'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.7195(17)
_cell_length_b                   9.9454(19)
_cell_length_c                   23.389(4)
_cell_measurement_reflns_used    2209
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.99
_cell_measurement_theta_min      2.91
_cell_volume                     2028.3(7)
_computing_cell_refinement       'SAINT-Plus (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT-Plus (Bruker, 1998)'
_computing_molecular_graphics
;ORTEP-3 for Windows (Farrugia, 2012) and
CAMERON (Watkin <i>et al.</i>, 1996)
;
_computing_publication_material  'WinGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX CCD detector'
_diffrn_measurement_method       '\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  0.0667
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            13072
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    0.117
_exptl_absorpt_correction_T_max  0.9838
_exptl_absorpt_correction_T_min  0.9818
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.508
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.470
_refine_diff_density_min         -0.314
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2209
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0950
_refine_ls_R_factor_gt           0.0593
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0725P)^2^+2.7172P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1422
_refine_ls_wR_factor_ref         0.1558
_reflns_number_gt                1558
_reflns_number_total             2209
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh5659sup1.cif
_cod_data_source_block           I
_cod_original_cell_volume        2028.2(7)
_cod_database_code               2240733
_cod_database_fobs_code          2240733