C—Halogen···π interactions in 4-chloro-2-(9-ethylcarbazol-3-yl)-1,2-dihydroquinoline-1-carbaldehyde
P.G.Aravindan; S.Selvanayagam; D.Velmurugan; K.Ravikumar; N.Nagarajan; P.T.Perumal; Acta Crystallographica Section E 59 (2003) o1564–o1566; doi:10.1107/S1600536803020130

data_2202382
_publ_section_title
;
 C---Halogen&#x00B7;&#x00B7;&#x00B7;\p interactions in
 4-chloro-2-(9-ethylcarbazol-3-yl)-1,2-dihydroquinoline-1-carbaldehyde
;
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1564
_journal_page_last               o1566
_journal_paper_doi               10.1107/S1600536803020130
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         'C24 H19 Cl N2 O'
_chemical_formula_sum            'C24 H19 Cl N2 O'
_chemical_formula_weight         386.86
_chemical_name_systematic
;
C-halogen...\p interaction: 4-Chloro-2-(9-ethylcarbazol-3-yl)quinoline-1(2H)-
carbaldehyde.
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.3360(10)
_cell_angle_beta                 70.2350(10)
_cell_angle_gamma                84.351(2)
_cell_formula_units_Z            2
_cell_length_a                   9.4147(8)
_cell_length_b                   9.6714(8)
_cell_length_c                   11.1245(9)
_cell_measurement_reflns_used    2301
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.29
_cell_measurement_theta_min      2.31
_cell_volume                     947.37(14)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
;
ZORTEP (Zsolnai, 1997) and PLATON (Spek, 1990)
;
_computing_publication_material  'SHELXL97 and PARST (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.899
_diffrn_measured_fraction_theta_max 0.899
_diffrn_measurement_device_type
;
Siemens SMART CCD area detector diffractometer
;
_diffrn_measurement_method       '\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  0.0174
_diffrn_reflns_av_sigmaI/netI    0.0344
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5918
_diffrn_reflns_theta_full        28.01
_diffrn_reflns_theta_max         28.01
_diffrn_reflns_theta_min         1.95
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.219
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             404
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.156
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         4119
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0629
_refine_ls_R_factor_gt           0.0487
_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^)+(0.0818P)^2^+0.0963P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1296
_refine_ls_wR_factor_ref         0.1407
_reflns_number_gt                3187
_reflns_number_total             4119
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt6352.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      ' P -1'
_cod_database_code               2202382
_cod_database_fobs_code          2202382