From attraction to repulsion: anion-p interactions between bromide and fluorinated phenyl groups
Michael Muller; Markus Albrecht; Christoph Bannwarth; Gerhard Raabe; Arto Valkonen; Kari Rissanen; Chem.Commun. 47 (2011) 8542–; doi:10.1039/c1cc12667a

data_7106696
_publ_section_title
;
 From attraction to repulsion: anion-p interactions between bromide and
 fluorinated phenyl groups
;
_journal_name_full               Chem.Commun.
_journal_page_first              8542
_journal_paper_doi               10.1039/c1cc12667a
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C13 H15 F4 N2, Br'
_chemical_formula_sum            'C13 H15 Br F4 N2'
_chemical_formula_weight         355.18
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 110.992(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.8019(3)
_cell_length_b                   10.6151(3)
_cell_length_c                   12.6264(3)
_cell_measurement_reflns_used    1722
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.283
_cell_measurement_theta_min      0.407
_cell_volume                     1351.70(7)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Bruker, 2008)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, 1997); MERCURY (Macrae, <i>et al.</i>, 2008);
POV-RAY (Cason, 2004)
;
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker-Nonius Kappa CCD with APEXII detector'
_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  0.0521
_diffrn_reflns_av_sigmaI/netI    0.0572
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8159
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    3.079
_exptl_absorpt_correction_T_max  0.8368
_exptl_absorpt_correction_T_min  0.5507
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.745
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.067
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.098(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2237
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0348
_refine_ls_R_factor_gt           0.0311
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+1.0445P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0647
_refine_ls_wR_factor_ref         0.0661
_reflns_number_gt                2104
_reflns_number_total             2237
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1cc12667a.txt
_cod_data_source_block           2b
_cod_original_cell_volume        1351.70(6)
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7106696