Pyridine-4-carbaldehyde isonicotinoylhydrazone
Yong-Tao Wang; Gui-Mei Tang; Wen-Zhu Wan; Acta Crystallographica Section E 62 (2006) o4926–o4927; doi:10.1107/S1600536806041195

data_2211104
_publ_section_title
;
 Pyridine-4-carbaldehyde isonicotinoylhydrazone
;
_journal_coeditor_code           LH2197
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4926
_journal_page_last               o4927
_journal_paper_doi               10.1107/S1600536806041195
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C12 H10 N4 O'
_chemical_formula_sum            'C12 H10 N4 O'
_chemical_formula_weight         226.24
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 109.014(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7010(18)
_cell_length_b                   14.657(3)
_cell_length_c                   10.238(2)
_cell_measurement_reflns_used    5713
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.0
_cell_measurement_theta_min      2.52
_cell_volume                     1092.5(4)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \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  0.0259
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5713
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.52
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9791
_exptl_absorpt_correction_T_min  0.9106
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.430
_refine_diff_density_min         -0.245
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         2116
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0749
_refine_ls_R_factor_gt           0.0687
_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^)+(0.1330P)^2^+0.2639P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1964
_refine_ls_wR_factor_ref         0.2031
_reflns_number_gt                1814
_reflns_number_total             2116
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh2197.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/n'
_cod_database_code               2211104
_cod_database_fobs_code          2211104