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_1546017
_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         'C14 H12 Br O2 1+, B F4 1-'
_chemical_formula_sum            'C14 H12 B Br F4 O2'
_chemical_formula_weight         378.96
_chemical_name_systematic
; 
 ? 
;
_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                89.158(5)
_cell_angle_beta                 72.819(4)
_cell_angle_gamma                66.607(5)
_cell_formula_units_Z            2
_cell_length_a                   8.1574(11)
_cell_length_b                   10.0848(14)
_cell_length_c                   10.1570(16)
_cell_measurement_reflns_used    4088
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      32.80
_cell_measurement_theta_min      2.81
_cell_volume                     727.64(19)
_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 0.996
_diffrn_measured_fraction_theta_max 0.893
_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  0.0299
_diffrn_reflns_av_sigmaI/netI    0.0523
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10971
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         34.70
_diffrn_reflns_theta_min         2.87
_diffrn_standards_decay_%        0.00
_exptl_absorpt_coefficient_mu    2.871
_exptl_absorpt_correction_T_max  0.5373
_exptl_absorpt_correction_T_min  0.4633
_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    1.730
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.691
_refine_diff_density_min         -0.478
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         5592
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0338
_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^)+(0.0328P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0745
_reflns_number_gt                4528
_reflns_number_total             5592
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lc5079.cif
_cod_data_source_block           gc162
_cod_original_cell_volume        727.64(18)
_cod_database_code               1546017