2,4-Difluorobenzaldehyde benzoylhydrazone and 2,4-dichlorobenzaldehyde benzoylhydrazone are isostructural at 120K with <i>Z</i>' = 2: complex sheets built from N—H···O, C—H···O and C—H···π(arene) hydrogen bonds
Wardell, Solange M. S. V.; de Lima Ferreira, Marcelle; de Souza, Marcus V. N.; Wardell, James L.; Low, John N.; Glidewell, Christopher; Acta Crystallographica Section C 62 (2006) o118–o121; doi:10.1107/S0108270106001995

data_2014400
_publ_section_title
;
 2,4-Difluorobenzaldehyde benzoylhydrazone and 2,4-dichlorobenzaldehyde
 benzoylhydrazone are isostructural at 120K with <i>Z</i>' = 2: complex
 sheets built from N---H&#x00B7;&#x00B7;&#x00B7;O,
 C---H&#x00B7;&#x00B7;&#x00B7;O and
 C---H&#x00B7;&#x00B7;&#x00B7;\p(arene) hydrogen bonds
;
_journal_coeditor_code           SK1895
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o118
_journal_page_last               o121
_journal_paper_doi               10.1107/S0108270106001995
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C14 H10 Cl2 N2 O'
_chemical_formula_moiety         'C14 H10 Cl2 N2 O'
_chemical_formula_sum            'C14 H10 Cl2 N2 O'
_chemical_formula_weight         293.14
_chemical_name_systematic
;
2,4-dichlorobenzaldehyde benzoylhydrazone
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 104.732(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.5093(5)
_cell_length_b                   17.6499(9)
_cell_length_c                   14.7982(5)
_cell_measurement_reflns_used    6060
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      2.97
_cell_volume                     2654.7(2)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1020
_diffrn_reflns_av_sigmaI/netI    0.0720
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            38980
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.97
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.481
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.964
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.525
_refine_diff_density_min         -0.697
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         6060
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.1182
_refine_ls_R_factor_gt           0.0610
_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^)+(0.0527P)^2^+3.4899P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1343
_refine_ls_wR_factor_ref         0.1550
_reflns_number_gt                3687
_reflns_number_total             6060
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1895.cif
_cod_data_source_block           II
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2014400
_cod_database_fobs_code          2014400