4-(4-Chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one and 4-(2-chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one
Sun, Yu-Xi; Zhang, Ran; Jin, Qing-Mai; Zhi, Xi-Jing; Lü, Xiao-Ming; Acta Crystallographica Section C 62 (2006) o467–o469; doi:10.1107/S0108270106021512

data_2015519
_publ_section_title
;4-(4-Chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one
 and
 4-(2-chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one
;
_journal_coeditor_code           SK3029
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o467
_journal_page_last               o469
_journal_paper_doi               10.1107/S0108270106021512
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C18 H16 Cl N3 O'
_chemical_formula_moiety         'C18 H16 Cl N3 O'
_chemical_formula_sum            'C18 H16 Cl N3 O'
_chemical_formula_weight         325.79
_chemical_name_systematic
;
4-(2-chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            4
_cell_length_a                   6.8480(10)
_cell_length_b                   13.654(2)
_cell_length_c                   17.567(2)
_cell_measurement_reflns_used    4187
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.3
_cell_measurement_theta_min      2.3
_cell_volume                     1642.6(4)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT-Plus
_computing_molecular_graphics    'SHELXTL (Bruker, 2002)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART APEX area-detector'
_diffrn_measurement_method       '\f and \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  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11680
_diffrn_reflns_theta_full        26.49
_diffrn_reflns_theta_max         26.49
_diffrn_reflns_theta_min         1.89
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.240
_exptl_absorpt_correction_T_max  0.9580
_exptl_absorpt_correction_T_min  0.9424
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.287
_refine_diff_density_min         -0.250
_refine_ls_abs_structure_details 'Flack (1983), 1415 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.01(10)
_refine_ls_extinction_coef       0.043(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         3377
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0481
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0492P)^2^+0.2996P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1029
_refine_ls_wR_factor_ref         0.1072
_reflns_number_gt                2979
_reflns_number_total             3377
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk3029.cif
_cod_data_source_block           II
_cod_database_code               2015519