1-Acetyl-5-(4-methylphenyl)-3-(4-nitrophenyl)-2-pyrazoline
Huan-Mei Guo; Fang-Fang Jian; Pu-Su Zhao; Xiao-Zheng Sun; Cui-Hua Lin; Acta Crystallographica Section E 63 (2007) o2618–o2619; doi:10.1107/S1600536807007520

data_2213256
_publ_section_title
;
 1-Acetyl-5-(4-methylphenyl)-3-(4-nitrophenyl)-2-pyrazoline
;
_journal_coeditor_code           CV2195
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2618
_journal_page_last               o2619
_journal_paper_doi               10.1107/S1600536807007520
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C18 H17 N3 O3'
_chemical_formula_moiety         'C18 H17 N3 O3'
_chemical_formula_sum            'C18 H17 N3 O3'
_chemical_formula_weight         323.35
_chemical_name_systematic
;
1-Acetyl-5-(4-methylphenyl)-3-(4-nitrophenyl)-2-pyrazoline
;
_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                 104.65(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.072(5)
_cell_length_b                   11.905(2)
_cell_length_c                   11.759(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      14
_cell_measurement_theta_min      4
_cell_volume                     3260.3(11)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_reduction        'NRCVAX (Gabe <i>et al.</i>,  1989)'
_computing_molecular_graphics    'SHELXTL-PC (Sheldrick, 1990)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \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  0.0727
_diffrn_reflns_av_sigmaI/netI    0.0653
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7239
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.184
_refine_ls_extinction_coef       0.0110(9)
_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   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3545
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0520
_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^)+(0.0647P)^2^+1.7743P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1410
_refine_ls_wR_factor_ref         0.1559
_reflns_number_gt                2473
_reflns_number_total             3545
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv2195.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2213256
_cod_database_fobs_code          2213256