Halogen Bonding Interactions ofsym-Triiodotrifluorobenzene with Halide Anions: A Combined Structural and Theoretical Study
Triguero, Sonia; Llusar, Rosa; Polo, Victor; Fourmigué, Marc; Crystal Growth & Design 8 (2008) 2241–; doi:10.1021/cg7008489

data_4503238
_publ_section_title
;
 Halogen Bonding Interactions ofsym-Triiodotrifluorobenzene with Halide
 Anions: A Combined Structural and Theoretical Study
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2241
_journal_paper_doi               10.1021/cg7008489
_journal_volume                  8
_journal_year                    2008
_chemical_formula_moiety         'C6 F3 I3, C24 H20 Br P'
_chemical_formula_sum            'C30 H20 Br F3 I3 P'
_chemical_formula_weight         929.04
_chemical_name_common            'C6F3I3, PPh4Br'
_chemical_name_systematic
;
1,3,5-trifluoro-2,4,6-triiodobenzene, tetraphenylphosphonium bromide
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.194(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3344(12)
_cell_length_b                   16.9073(19)
_cell_length_c                   17.618(2)
_cell_measurement_reflns_used    8893
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.10
_cell_measurement_theta_min      2.37
_cell_volume                     2970.7(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0417
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            46480
_diffrn_reflns_theta_full        32.10
_diffrn_reflns_theta_max         32.10
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    4.593
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.516301
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.077
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.608
_refine_diff_density_min         -1.523
_refine_diff_density_rms         0.178
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         10376
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0326
_refine_ls_R_factor_gt           0.0241
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0323P)^2^+1.2711P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0591
_refine_ls_wR_factor_ref         0.0696
_reflns_number_gt                8865
_reflns_number_total             10376
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg7008489-file001.cif
_cod_data_source_block           s267
_cod_original_cell_volume        2970.6(6)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4503238