Concurrent anion...pi interactions between a perchlorate ion and two pi-acidic aromatic rings, namely pentafluorophenol and 1,3,5-triazine.
Götz, Rens J; Robertazzi, Arturo; Mutikainen, Ilpo; Turpeinen, Urho; Gamez, Patrick; Reedijk, Jan; Chemical communications (Cambridge, England)  (2008) 3384–3386; doi:10.1039/b803817a

data_7103249
_publ_section_title
;
 Concurrent anion...pi interactions between a perchlorate ion and two
 pi-acidic aromatic rings, namely pentafluorophenol and 1,3,5-triazine.
;
_journal_issue                   29
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3384
_journal_page_last               3386
_journal_paper_doi               10.1039/b803817a
_journal_year                    2008
_chemical_formula_sum            'C50 H33 Cl2 Cu F10 N12 O17'
_chemical_formula_weight         1398.32
_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                93.50(2)
_cell_angle_beta                 97.41(2)
_cell_angle_gamma                105.67(2)
_cell_formula_units_Z            1
_cell_length_a                   9.042(2)
_cell_length_b                   12.299(2)
_cell_length_c                   13.776(2)
_cell_measurement_reflns_used    142
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.04
_cell_measurement_theta_min      4.70
_cell_volume                     1455.3(5)
_computing_cell_refinement       'DirAx (Duisenberg 1992)'
_computing_data_collection       'COLLECT (Nonius, 2002)'
_computing_data_reduction        'COLLECT/EVAL (Nonius, 2002)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1990)'
_computing_publication_material  'SHELXTL (Sheldrick, 1990)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       \w-scan
_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  0.0400
_diffrn_reflns_av_sigmaI/netI    0.0387
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            22067
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.30
_exptl_absorpt_coefficient_mu    0.580
_exptl_absorpt_correction_T_max  0.9661
_exptl_absorpt_correction_T_min  0.9443
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Blue
_exptl_crystal_density_diffrn    1.595
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             706
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.700
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     469
_refine_ls_number_reflns         5656
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0786
_refine_ls_R_factor_gt           0.0550
_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^)+(0.0666P)^2^+2.1296P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1357
_refine_ls_wR_factor_ref         0.1538
_reflns_number_gt                4305
_reflns_number_total             5656
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b803817a.txt
_cod_data_source_block           complex_1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7103249