Ethyl 2-[(4-chlorophenyl)hydrazono]-3-oxobutanoate
Fun, Hoong-Kun; Chantrapromma, Suchada; Padaki, Mahesh; Radhika; Isloor, Arun M.; Acta Crystallographica Section E 65 (2009) o1029–; doi:10.1107/S1600536809012951

data_2221833
_publ_section_title
;
 Ethyl 2-[(4-chlorophenyl)hydrazono]-3-oxobutanoate
;
_journal_coeditor_code           TK2415
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1029
_journal_paper_doi               10.1107/S1600536809012951
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C12 H13 Cl N2 O3'
_chemical_formula_moiety         'C12 H13 Cl N2 O3'
_chemical_formula_sum            'C12 H13 Cl N2 O3'
_chemical_formula_weight         268.69
_chemical_melting_point          365
_chemical_name_systematic
;
Ethyl 2-[(4-chlorophenyl)hydrazono]-3-oxobutanoate
;
_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
_cell_angle_beta                 96.8020(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.02590(10)
_cell_length_b                   17.0892(4)
_cell_length_c                   18.4934(5)
_cell_measurement_reflns_used    4723
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.93
_cell_measurement_theta_min      1.63
_cell_volume                     1263.38(6)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.039
_diffrn_reflns_av_sigmaI/netI    0.026
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            38796
_diffrn_reflns_theta_full        32.9
_diffrn_reflns_theta_max         32.9
_diffrn_reflns_theta_min         1.6
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.304
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.799
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.77
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.53
_refine_diff_density_min         -0.24
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.06
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         4723
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.06
_refine_ls_R_factor_all          0.047
_refine_ls_R_factor_gt           0.037
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0602P)^2^+0.255P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.098
_refine_ls_wR_factor_ref         0.108
_reflns_number_gt                3972
_reflns_number_total             4723
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk2415.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2221833
_cod_database_fobs_code          2221833