1-Isopropenyl-1<i>H</i>-1,3-benzimidazol-2(3<i>H</i>)-one
Saber, Asmaa; Zouihri, Hafid; Essassi, El Mokhtar; Ng, Seik Weng; Acta Crystallographica Section E 66 (2010) o1409–; doi:10.1107/S1600536810017897

data_2226231
_publ_section_title
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 1-Isopropenyl-1<i>H</i>-1,3-benzimidazol-2(3<i>H</i>)-one
;
_journal_coeditor_code           NC2184
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1409
_journal_paper_doi               10.1107/S1600536810017897
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C10 H10 N2 O'
_chemical_formula_moiety         'C10 H10 N2 O'
_chemical_formula_sum            'C10 H10 N2 O'
_chemical_formula_weight         174.20
_chemical_name_systematic
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1-Isopropenyl-1<i>H</i>-1,3-benzimidazol-2(3<i>H</i>)-one
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.961(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.8724(2)
_cell_length_b                   6.09710(10)
_cell_length_c                   17.9313(3)
_cell_measurement_reflns_used    8296
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      35.0
_cell_measurement_theta_min      2.3
_cell_volume                     1735.07(5)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker X8 APEXII'
_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  0.0225
_diffrn_reflns_av_sigmaI/netI    0.0148
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            13930
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         29.99
_diffrn_reflns_theta_min         3.40
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.385
_refine_diff_density_min         -0.214
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.977
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     123
_refine_ls_number_reflns         2506
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.977
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0716P)^2^+0.9009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1142
_reflns_number_gt                2231
_reflns_number_total             2506
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            nc2184.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.

'_exptl_absorpt_correction_type' value 'None' changed to
'none' 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 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2226231
_cod_database_fobs_code          2226231