<i>N</i>-(3-Chlorophenyl)-α-(2-hydroxyphenyl)nitrone: supramolecular aggregation through π–π and C–H···π interactions
Mothi Mohamed, Ebrahim; Chandrasekar, Srinivasan; Panchanatheswaran, Krishnaswamy; Acta Crystallographica Section E 59 (2003) o234–o236; doi:10.1107/S1600536803001326

data_2202107
_publ_section_title
;
 <i>N</i>-(3-Chlorophenyl)-\a-(2-hydroxyphenyl)nitrone: supramolecular
 aggregation through \p--\p and C--H&#x00B7;&#x00B7;&#x00B7;\p
 interactions
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o234
_journal_page_last               o236
_journal_paper_doi               10.1107/S1600536803001326
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C13 H10 Cl N O2'
_chemical_formula_moiety         'C13 H10 Cl N O2'
_chemical_formula_sum            'C13 H10 Cl N O2'
_chemical_formula_weight         247.67
_chemical_melting_point          .398E-305
_chemical_name_systematic
;
N-(3-chlorophenyl)-\a-(2-hydroxyphenyl)nitrone
;
_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                 97.436(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.9476(8)
_cell_length_b                   14.613(8)
_cell_length_c                   12.850(6)
_cell_measurement_reflns_used    2093
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      2
_cell_volume                     1107.4(8)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'MolEN (Fair, 1990)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 1998)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nnius CAD-4'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.0439
_diffrn_reflns_av_sigmaI/netI    0.0210
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            2300
_diffrn_reflns_theta_full        69.89
_diffrn_reflns_theta_max         69.89
_diffrn_reflns_theta_min         4.60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    2.961
_exptl_absorpt_correction_T_max  0.8624
_exptl_absorpt_correction_T_min  0.8346
_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.486
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.218
_refine_diff_density_min         -0.149
_refine_ls_extinction_coef       0.0081(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         2093
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0414
_refine_ls_R_factor_gt           0.0340
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0449P)^2^+0.3447P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0903
_refine_ls_wR_factor_ref         0.0974
_reflns_number_gt                1779
_reflns_number_total             2093
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ob6209.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               2202107
_cod_database_fobs_code          2202107