4-(3-Chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one
Sun, Yu-Xi; Acta Crystallographica Section E 62 (2006) o5845–o5847; doi:10.1107/S1600536806049610

data_2211271
_publ_section_title
4-(3-Chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one
_journal_coeditor_code           AT2164
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o5845
_journal_page_last               o5847
_journal_paper_doi               10.1107/S1600536806049610
_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-(3-Chlorobenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.6200(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   6.7580(5)
_cell_length_b                   26.7540(19)
_cell_length_c                   18.5240(13)
_cell_measurement_reflns_used    4126
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      21.966
_cell_measurement_theta_min      2.357
_cell_volume                     3302.1(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      295(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker 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  0.0393
_diffrn_reflns_av_sigmaI/netI    0.0398
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            25598
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         1.35
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.239
_exptl_absorpt_correction_T_max  0.9952
_exptl_absorpt_correction_T_min  0.9915
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       thin_plates
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.274
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     419
_refine_ls_number_reflns         6822
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.1015
_refine_ls_R_factor_gt           0.0605
_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^)+(0.0631P)^2^+0.9648P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1367
_refine_ls_wR_factor_ref         0.1568
_reflns_number_gt                4241
_reflns_number_total             6822
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            at2164.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2211271
_cod_database_fobs_code          2211271