Three 1,2,4-triazole derivatives containing subtituted benzyl and benzylamino groups
Yilmaz, Veysel T.; Kazak, Canan; Ağar, Erbil; Kahveci, Bahittin; Guven, Kutalmis; Acta Crystallographica Section C 61 (2005) o101–o104; doi:10.1107/S0108270104033931

data_2014674
_publ_section_title
;
 Three 1,2,4-triazole derivatives containing subtituted benzyl and
 benzylamino groups
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o101
_journal_page_last               o104
_journal_paper_doi               10.1107/S0108270104033931
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C18 H20 N4 O'
_chemical_formula_moiety         'C18 H20 N4 O'
_chemical_formula_sum            'C18 H20 N4 O'
_chemical_formula_weight         308.38
_chemical_name_systematic
;
3-(4-Methylbenzyl)-4-(4-methylbenzylamino)-4,5-dihydro-1H-1,2,4-triazol-5-one
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.403(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.8511(19)
_cell_length_b                   5.996(5)
_cell_length_c                   17.650(2)
_cell_measurement_reflns_used    9419
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.96
_cell_measurement_theta_min      1.22
_cell_volume                     1682.1(14)
_computing_cell_refinement       X-AREA
_computing_data_collection       'X-AREA (Stoe & Cie, 2002)'
_computing_data_reduction        'X-RED32 (Stoe & Cie, 2002)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Stoe IPDS 2'
_diffrn_measurement_method       rotation
_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  0.0917
_diffrn_reflns_av_sigmaI/netI    0.0692
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            22631
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.28
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9871
_exptl_absorpt_correction_T_min  0.9624
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   '(X-RED32; Stoe & Cie, 2002)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.437
_exptl_crystal_size_min          0.400
_refine_diff_density_max         0.124
_refine_diff_density_min         -0.140
_refine_ls_extinction_coef       0.0090(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   0.967
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         3284
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.969
_refine_ls_R_factor_all          0.1131
_refine_ls_R_factor_gt           0.0412
_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^)+(0.021P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0694
_refine_ls_wR_factor_ref         0.0776
_reflns_number_gt                1482
_reflns_number_total             3284
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fr1519.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1682.0(14)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2014674
_cod_database_fobs_code          2014674