Halogen bonding in hypervalent iodine and bromine derivatives: halonium salts
Cavallo, Gabriella; Murray, Jane S.; Politzer, Peter; Pilati, Tullio; Ursini, Maurizio; Resnati, Giuseppe; IUCrJ 4 (2017) –; doi:10.1107/S2052252517004262

data_1546015
_publ_section_title
;
 Halogen bonding in hypervalent iodine and bromine derivatives: halonium
 salts
;
_journal_issue                   4
_journal_name_full               IUCrJ
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052252517004262
_journal_volume                  4
_journal_year                    2017
_chemical_formula_moiety
'3(C12 H8 Br F2 1+), 2.5(Br 1-), 0.5(B F4 1-)'
_chemical_formula_sum            'C36 H24 B0.5 Br5.5 F8'
_chemical_formula_weight         1053.46
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           212
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'P 4acd 2ab 3'
_symmetry_space_group_name_H-M   'P 43 3 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.4248(7)
_cell_length_b                   15.4248(7)
_cell_length_c                   15.4248(7)
_cell_measurement_reflns_used    3702
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.29
_cell_volume                     3669.9(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, L.J. (1997) Jour. Appl. Cryst. 30, 565)
Mercury (Macrae, C. F., Edgington, P. R., McCabe, P., Pidcock, E., 
Shields, G. P., Taylor, R., Towler, M. & van de Streek, J. (2006). 
J. Appl. Cryst. 39, 453-457
;
_computing_publication_material  SHELXTL
_computing_structure_refinement
'SHELXL (Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122)'
_computing_structure_solution
;
SIR2002 (Burla, M. C., Camalli, M., Carrozzini, B., Cascarano, G. L., 
Giacovazzo, C., Polidori, G. & Spagna, R. (2003). 
J. Appl. Cryst. 36, 1103.)
;
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0512
_diffrn_reflns_av_sigmaI/netI    0.0427
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13923
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         28.47
_diffrn_reflns_theta_min         3.24
_diffrn_standards_decay_%        0.00
_exptl_absorpt_coefficient_mu    6.087
_exptl_absorpt_correction_T_max  0.3991
_exptl_absorpt_correction_T_min  0.3440
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Bruker (2001). SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.907
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'hexagonal truncated bipyramid'
_exptl_crystal_F_000             2028
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.578
_refine_diff_density_min         -0.418
_refine_diff_density_rms         0.075
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     99
_refine_ls_number_reflns         1462
_refine_ls_number_restraints     48
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.0434
_refine_ls_R_factor_gt           0.0297
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0114P)^2^+4.9818P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0516
_refine_ls_wR_factor_ref         0.0540
_reflns_number_gt                1253
_reflns_number_total             1462
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lc5079.cif
_cod_data_source_block           gc148
_cod_original_sg_symbol_Hall     'P 4acd 2ab'
_cod_original_sg_symbol_H-M      'P 4(3) 3 2'
_cod_original_formula_sum        'C36 H24 B0.50 Br5.50 F8'
_cod_database_code               1546015