<i>N</i>,<i>N</i>'-Disalicyloylhydrazine
Yu-Ting Chen; Da-Cheng Li; Da-Qi Wang; Yue-Hua Zhu; Acta Crystallographica Section E 64 (2008) o120–o120; doi:10.1107/S160053680706312X

data_2217294
_publ_section_title
;
 <i>N</i>,<i>N</i>'-Disalicyloylhydrazine
;
_journal_coeditor_code           SI2060
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o120
_journal_page_last               o120
_journal_paper_doi               10.1107/S160053680706312X
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C14 H12 N2 O4'
_chemical_formula_moiety         'C14 H12 N2 O4'
_chemical_formula_sum            'C14 H12 N2 O4'
_chemical_formula_weight         272.26
_chemical_name_systematic
;
N,N'-Disalicyloylhydrazine
;
_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                 105.463(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.3816(18)
_cell_length_b                   6.2909(15)
_cell_length_c                   12.376(2)
_cell_measurement_reflns_used    678
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.525
_cell_measurement_theta_min      2.642
_cell_volume                     628.9(2)
_computing_cell_refinement       'SMART (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997b)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD area-detector'
_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  0.0423
_diffrn_reflns_av_sigmaI/netI    0.0468
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            3082
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.64
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.9851
_exptl_absorpt_correction_T_min  0.9809
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.438
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             284
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.300
_refine_diff_density_min         -0.190
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     92
_refine_ls_number_reflns         1102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0946
_refine_ls_R_factor_gt           0.0473
_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^)+(0.0827P)^2^+0.0895P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1266
_refine_ls_wR_factor_ref         0.1628
_reflns_number_gt                618
_reflns_number_total             1102
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            si2060.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               2217294
_cod_database_fobs_code          2217294