But-2-enal 2,4-dinitrophenylhydrazone
Yin, Zhi-Gang; Qian, Heng-Yu; Chen, Yu-Zhen; Hu, Jie; Acta Crystallographica Section E 64 (2008) o2149–; doi:10.1107/S1600536808033254

data_2219835
_publ_section_title
;
 But-2-enal 2,4-dinitrophenylhydrazone
;
_journal_coeditor_code           DN2390
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2149
_journal_paper_doi               10.1107/S1600536808033254
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C10 H10 N4 O4'
_chemical_formula_moiety         'C10 H10 N4 O4'
_chemical_formula_sum            'C10 H10 N4 O4'
_chemical_formula_weight         250.22
_chemical_name_systematic
;
But-2-enal 2,4-dinitrophenylhydrazone
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 92.565(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.6699(8)
_cell_length_b                   13.188(2)
_cell_length_c                   18.880(3)
_cell_measurement_reflns_used    1673
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.45
_cell_measurement_theta_min      2.12
_cell_volume                     1161.6(3)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics
;
ORTEPIII (Burnett & Johnson, 1996), ORTEP-3 for Windows (Farrugia,
1997) and
PLATON (Spek, 2003)
;
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0393
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            9152
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.66
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  0.9762
_exptl_absorpt_correction_T_min  0.9722
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1998)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.432
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.155
_refine_diff_density_min         -0.110
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.949
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2458
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.949
_refine_ls_R_factor_all          0.0948
_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^)+(0.0552P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.1114
_reflns_number_gt                1326
_reflns_number_total             2458
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn2390.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               2219835
_cod_database_fobs_code          2219835