C—H···O and C—H···π interactions in 1-acetyl-4-(<i>p</i>-chlorobenzylideneamino)-3-ethyl-4,5-dihydro-1<i>H</i>-1,2,4-triazol-5-one
Çoruh, Ufuk; Kahveci, Bahittin; Şaşmaz, Selami; Ag̃ar, Erbil; Youngme Kim; Erdönmez, Ahmet; Acta Crystallographica Section C 59 (2003) o476–o478; doi:10.1107/S010827010301326X

data_2013459
_publ_section_title
;C---H&#x00B7;&#x00B7;&#x00B7;O and C---H&#x00B7;&#x00B7;&#x00B7;\p
 interactions in
 1-acetyl-4-(<i>p</i>-chlorobenzylideneamino)-3-ethyl-4,5-dihydro-1<i>H</i>-1,2,4-triazol-5-one
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o476
_journal_page_last               o478
_journal_paper_doi               10.1107/S010827010301326X
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C13 H13 Cl N4 O2'
_chemical_formula_moiety         'C13 H13 Cl N4 O2'
_chemical_formula_sum            'C13 H13 Cl N4 O2'
_chemical_formula_weight         292.72
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                76.011(10)
_cell_angle_beta                 84.03(2)
_cell_angle_gamma                78.26(2)
_cell_formula_units_Z            2
_cell_length_a                   6.341(2)
_cell_length_b                   8.6092(10)
_cell_length_c                   13.083(2)
_cell_measurement_reflns_used    2907
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.0
_cell_measurement_theta_min      2.5
_cell_volume                     677.4(3)
_computing_cell_refinement       'CAD-4-PC Software (Enraf-Nonius, 1992)'
_computing_data_collection       'CAD-4-PC Software (Enraf-Nonius, 1992)'
_computing_data_reduction        'XCAD-4 (Harms, 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4 Mach-3 diffractometer'
_diffrn_measurement_method       2\q-\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  0.0172
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            2907
_diffrn_reflns_theta_full        25.97
_diffrn_reflns_theta_max         25.97
_diffrn_reflns_theta_min         2.48
_diffrn_standards_decay_%        negligible
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.289
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.435
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             304
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.403
_refine_diff_density_min         -0.326
_refine_ls_extinction_method     ' none '
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2654
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0905
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0885P)^2^+0.0264P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1332
_refine_ls_wR_factor_ref         0.1442
_reflns_number_gt                1818
_reflns_number_total             2654
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gg1165.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_hydrogens' value ' geom ' changed
to 'geom' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_primary' value ' direct ' changed
to 'direct' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_atom_sites_solution_secondary' value ' difmap '
changed to 'difmap' 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.

'_refine_ls_weighting_scheme' value ' calc ' changed to
'calc' 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               2013459
_cod_database_fobs_code          2013459