The subtle balance of weak supramolecular interactions: The hierarchy of halogen and hydrogen bonds in haloanilinium and halopyridinium salts.
Raatikainen, Kari; Cametti, Massimo; Rissanen, Kari; Beilstein journal of organic chemistry 6 (2010) 4–; doi:10.3762/bjoc.6.4

data_4029793
_publ_section_title
;
 The subtle balance of weak supramolecular interactions: The hierarchy of
 halogen and hydrogen bonds in haloanilinium and halopyridinium salts.
;
_journal_name_full               'Beilstein journal of organic chemistry'
_journal_page_first              4
_journal_paper_doi               10.3762/bjoc.6.4
_journal_volume                  6
_journal_year                    2010
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         '2(C12 H11 I N), C2 H6 O, H2 O, 2(Cl)'
_chemical_formula_sum            'C13 H15 Cl I N O'
_chemical_formula_weight         363.61
_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_date             2009-05-27T12:23:29-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 94.6030(7)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   8.18410(10)
_cell_length_b                   16.9194(2)
_cell_length_c                   20.4094(3)
_cell_measurement_reflns_used    7156
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.283
_cell_measurement_theta_min      0.407
_cell_measurement_wavelength     0.71073
_cell_volume                     2816.98(6)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Giacovazzo et al, 1997)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Bruker AXS Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      -0.381894E-1
_diffrn_orient_matrix_UB_12      -0.5866E-3
_diffrn_orient_matrix_UB_13      -0.47785E-1
_diffrn_orient_matrix_UB_21      0.111096
_diffrn_orient_matrix_UB_22      -0.179484E-1
_diffrn_orient_matrix_UB_23      -0.108287E-1
_diffrn_orient_matrix_UB_31      -0.350136E-1
_diffrn_orient_matrix_UB_32      -0.563095E-1
_diffrn_orient_matrix_UB_33      0.39494E-2
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.048
_diffrn_reflns_av_unetI/netI     0.0378
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            39929
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.34
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    2.448
_exptl_absorpt_correction_T_max  0.7101
_exptl_absorpt_correction_T_min  0.6132
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Blessing et al., 1995)'
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.715
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.054
_refine_diff_density_min         -0.504
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         6478
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0425
_refine_ls_R_factor_gt           0.0332
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0096P)^2^+8.4237P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0648
_refine_ls_wR_factor_ref         0.0679
_reflns_number_gt                5539
_reflns_number_total             6478
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            1860-5397-6-4-S2.cif
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4029793