π-Stacked hydrogen-bonded chains of rings in 2,4-difluorobenzaldehyde isonicotinoylhydrazone and hydrogen-bonded sheets in 2,3-dichlorobenzaldehyde isonicotinoylhydrazone
Wardell, Solange M. S. V.; de Souza, Marcus V. N.; Ferreira, MArcelle de L.; Vasconcelos, Thatyana R. A.; Low, John N.; Glidewell, Christopher; Acta Crystallographica Section C 61 (2005) o617–o620; doi:10.1107/S0108270105029136

data_2015191
_publ_section_title
;
 \p-Stacked hydrogen-bonded chains of rings in 2,4-difluorobenzaldehyde
 isonicotinoylhydrazone and hydrogen-bonded sheets in
 2,3-dichlorobenzaldehyde isonicotinoylhydrazone
;
_journal_coeditor_code           SK1868
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o617
_journal_page_last               o620
_journal_paper_doi               10.1107/S0108270105029136
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C13 H9 Cl2 N3 O'
_chemical_formula_moiety         'C13 H9 Cl2 N3 O'
_chemical_formula_sum            'C13 H9 Cl2 N3 O'
_chemical_formula_weight         294.13
_chemical_name_systematic
;
2,3-dichlorobenzaldehyde isonicotinoylhydrazone
;
_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                 90.2400(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7369(2)
_cell_length_b                   10.7764(4)
_cell_length_c                   14.9091(5)
_cell_measurement_reflns_used    2833
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      3.24
_cell_volume                     1243.05(7)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997) and COLLECT'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'OSCAIL and SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution
'OSCAIL (McArdle, 2003) and SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR91 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0330
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18370
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.24
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.516
_exptl_absorpt_correction_T_max  0.965
_exptl_absorpt_correction_T_min  0.861
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick,  2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.572
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.485
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.154
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2833
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.154
_refine_ls_R_factor_all          0.0403
_refine_ls_R_factor_gt           0.0313
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0574P)^2^+0.238P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.0993
_reflns_number_gt                2466
_reflns_number_total             2833
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1868.cif
_cod_data_source_block           II
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2015191
_cod_database_fobs_code          2015191