4-{[4-(Dimethylamino)benzylidene]amino}-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one
Asiri, Abdullah M.; Khan, Salman A.; Tan, Kong Wai; Ng, Seik Weng; Acta Crystallographica Section E 66 (2010) o1751–; doi:10.1107/S1600536810023536

data_2226572
_publ_section_title
;
 4-{[4-(Dimethylamino)benzylidene]amino}-1,5-dimethyl-2-phenyl-1<i>H</i>-pyrazol-3(2<i>H</i>)-one
;
_journal_coeditor_code           KP2268
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1751
_journal_paper_doi               10.1107/S1600536810023536
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C20 H22 N4 O'
_chemical_formula_moiety         'C20 H22 N4 O'
_chemical_formula_sum            'C20 H22 N4 O'
_chemical_formula_weight         334.42
_chemical_name_systematic
;
4-{[4-(Dimethylamino)benzylidene]amino}-1,5-dimethyl-2-phenyl-
1<i>H</i>-pyrazol-3(2<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                 101.4260(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.7275(14)
_cell_length_b                   6.7552(6)
_cell_length_c                   29.387(2)
_cell_measurement_reflns_used    3746
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.2
_cell_measurement_theta_min      2.3
_cell_volume                     3449.4(5)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'X-Seed (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX diffractometer'
_diffrn_measurement_method       '\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  0.0429
_diffrn_reflns_av_sigmaI/netI    0.0393
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            15916
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.41
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Irregular
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.217
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     230
_refine_ls_number_reflns         3959
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0456P)^2^+1.6458P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0932
_refine_ls_wR_factor_ref         0.1008
_reflns_number_gt                3146
_reflns_number_total             3959
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            kp2268.cif
_cod_data_source_block           I
_cod_original_cell_volume        3449.5(5)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2226572
_cod_database_fobs_code          2226572