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_7106700
_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         '2(C13 H16 F3 N2), H2 O, 2(Br)'
_chemical_formula_sum            'C26 H34 Br2 F6 N4 O'
_chemical_formula_weight         692.39
_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                 90.280(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.4502(5)
_cell_length_b                   6.6042(2)
_cell_length_c                   15.5119(6)
_cell_measurement_reflns_used    3429
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.283
_cell_measurement_theta_min      0.407
_cell_volume                     1377.87(8)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0403
_diffrn_reflns_av_sigmaI/netI    0.0387
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7888
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    3.010
_exptl_absorpt_correction_T_max  0.8400
_exptl_absorpt_correction_T_min  0.5572
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.669
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             700
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         2485
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0401
_refine_ls_R_factor_gt           0.0292
_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^)+(0.0157P)^2^+1.2892P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0611
_refine_ls_wR_factor_ref         0.0655
_reflns_number_gt                2088
_reflns_number_total             2485
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1cc12667a.txt
_cod_data_source_block           2f
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7106700