Synthon crossover between halogen⋯π and halogen⋯halogen interaction
Khavasi, Hamid Reza; Ghanbarpour, Alireza; Tehrani, Alireza Azhdari; CrystEngComm 16 (2014) 749–; doi:10.1039/c3ce41853g

data_7213898
_publ_section_title
;
 Synthon crossover between halogen&#x22EF;\p and halogen&#x22EF;halogen
 interaction
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              749
_journal_paper_doi               10.1039/c3ce41853g
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C16 H11 Cl N2 O'
_chemical_formula_weight         282.72
_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                 98.311(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.176(3)
_cell_length_b                   6.0252(11)
_cell_length_c                   15.551(4)
_cell_measurement_reflns_used    14567
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      29.67
_cell_measurement_theta_min      1.81
_cell_volume                     1314.3(5)
_computing_cell_refinement       'X-Area 1.31 (Stoe & Cie GmbH, 2005)'
_computing_data_collection       'X-Area 1.31 (Stoe & Cie GmbH, 2005)'
_computing_data_reduction        'X-Area 1.31 (Stoe & Cie GmbH, 2005)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean '0.15 mm'
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_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  0.0901
_diffrn_reflns_av_sigmaI/netI    0.0101
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14567
_diffrn_reflns_theta_full        29.67
_diffrn_reflns_theta_max         29.67
_diffrn_reflns_theta_min         1.82
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.286
_exptl_absorpt_correction_T_max  0.956
_exptl_absorpt_correction_T_min  0.915
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'shape of crystal determined optically'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.429
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.160
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3562
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.160
_refine_ls_R_factor_all          0.1020
_refine_ls_R_factor_gt           0.0826
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0168P)^2^+0.5650P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1223
_refine_ls_wR_factor_ref         0.1423
_reflns_number_gt                2980
_reflns_number_total             3562
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41853g.txt
_cod_data_source_block           d:\determination\solution\c195\khc195-2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_hydrogen_treatment' value 'Constr' changed
to 'constr' according to
/usr/data/users/saulius/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_original_formula_sum        'C16 H11 Cl1 N2 O1'
_cod_database_code               7213898