Structural Versatility of Anion-π Interactions in Halide Salts with Pentafluorophenyl Substituted Cations
Markus Albrecht; Claudia Wessel; Marita de Groot; Kari Rissanen; Arne Lüchow; Journal of the American Chemical Society 130 (2008) 4600–4601; doi:10.1021/ja800219g

data_4107674
_publ_section_title
;
 Structural Versatility of Anion-\p Interactions in Halide Salts with
 Pentafluorophenyl Substituted Cations
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4600
_journal_page_last               4601
_journal_paper_doi               10.1021/ja800219g
_journal_volume                  130
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C9 H7 F5 N, Br'
_chemical_formula_sum            'C9 H7 Br F5 N'
_chemical_formula_weight         304.07
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 108.961(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.5952(3)
_cell_length_b                   8.1236(2)
_cell_length_c                   13.3024(6)
_cell_measurement_reflns_used    8299
_cell_measurement_temperature    173.0(1)
_cell_measurement_theta_max      27.103
_cell_measurement_theta_min      2.546
_cell_measurement_wavelength     0.71073
_cell_volume                     1082.83(6)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      173.0(1)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Bruker AXS Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      -0.886688E-1
_diffrn_orient_matrix_UB_12      -0.10963E-2
_diffrn_orient_matrix_UB_13      -0.574376E-1
_diffrn_orient_matrix_UB_21      0.438886E-1
_diffrn_orient_matrix_UB_22      -0.371877E-1
_diffrn_orient_matrix_UB_23      -0.522224E-1
_diffrn_orient_matrix_UB_31      -0.130807E-1
_diffrn_orient_matrix_UB_32      -0.117342
_diffrn_orient_matrix_UB_33      0.170869E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0242
_diffrn_reflns_av_unetI/netI     0.0289
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3616
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.98
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    3.836
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.865
_exptl_crystal_description       prism
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         1907
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0412
_refine_ls_R_factor_gt           0.0278
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0177P)^2^+1.4020P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0562
_refine_ls_wR_factor_ref         0.0622
_reflns_number_gt                1507
_reflns_number_total             1907
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja800219g-file003.cif
_cod_data_source_block           2b
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_original_formula_sum        'C9 H7 Br1 F5 N1'
_cod_database_code               4107674