Nine isomeric nitrobenzylidene-iodoanilines: interplay of C—H···O hydrogen bonds, iodo···nitro interactions and aromatic π···π stacking interactions
Glidewell, Christopher; Howie, R. Alan; Low, John N.; Skakle, Janet M. S.; Wardell, Solange M. S. V.; Wardell, James L.; Acta Crystallographica Section B 58 (2002) 864–876; doi:10.1107/S0108768102009941

data_2103445
_publ_section_title
;
 Nine isomeric nitrobenzylidene-iodoanilines: interplay of
 C---H&#x00B7;&#x00B7;&#x00B7;O hydrogen bonds,
 iodo&#x00B7;&#x00B7;&#x00B7;nitro interactions and aromatic
 \p&#x00B7;&#x00B7;&#x00B7;\p stacking interactions
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              864
_journal_page_last               876
_journal_paper_doi               10.1107/S0108768102009941
_journal_volume                  58
_journal_year                    2002
_chemical_formula_moiety         'C13 H9 I N2 O2'
_chemical_formula_sum            'C13 H9 I N2 O2'
_chemical_formula_weight         352.12
_chemical_name_systematic
;
 4-Nitrobenzylidene-2'-iodoanilinb-Nitrobenzylidene-2'-iodoanilin
;
_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                 113.961(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.1401(7)
_cell_length_b                   13.7454(10)
_cell_length_c                   9.7829(6)
_cell_measurement_reflns_used    2829
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.96
_cell_volume                     1246.03(15)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD server software (Nonius, 1997)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2002)'
_computing_publication_material
'SHELXL-97 (Sheldrick, 1997a) and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  ' SHELXL-97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997b)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  Kappa-CCD
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0768
_diffrn_reflns_av_sigmaI/netI    0.0830
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            7436
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.96
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    2.565
_exptl_absorpt_correction_T_max  0.836
_exptl_absorpt_correction_T_min  0.641
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.877
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.970
_refine_diff_density_min         -1.428
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2829
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0746
_refine_ls_R_factor_gt           0.0423
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0352P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0981
_reflns_number_gt                1954
_reflns_number_total             2829
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            na0138.cif
_cod_data_source_block           III
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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      P21/c
_cod_database_code               2103445
_cod_database_fobs_code          2103445