Isolating fluorinated carbocations.
Douvris, Christos; Stoyanov, Evgenii S; Tham, Fook S; Reed, Christopher A; Chemical communications (Cambridge, England)  (2007) 1145–1147; doi:10.1039/b617606b

data_7101784
_publ_section_title
;
 Isolating fluorinated carbocations.
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_journal_issue                   11
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1145
_journal_page_last               1147
_journal_paper_doi               10.1039/b617606b
_journal_year                    2007
_chemical_formula_sum            'C20 H14 B11 F4 I11'
_chemical_formula_weight         1845.12
_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                81.5320(6)
_cell_angle_beta                 85.2332(6)
_cell_angle_gamma                76.9732(6)
_cell_formula_units_Z            2
_cell_length_a                   9.9226(2)
_cell_length_b                   14.4389(2)
_cell_length_c                   14.8328(2)
_cell_measurement_reflns_used    9287
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      44.53
_cell_measurement_theta_min      2.47
_cell_volume                     2045.10(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0337
_diffrn_reflns_av_sigmaI/netI    0.0230
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            180818
_diffrn_reflns_theta_full        43.11
_diffrn_reflns_theta_max         43.11
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    8.366
_exptl_absorpt_correction_T_max  0.4463
_exptl_absorpt_correction_T_min  0.2102
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.996
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'prism frag'
_exptl_crystal_F_000             1616
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.12
_refine_diff_density_max         5.159
_refine_diff_density_min         -3.566
_refine_diff_density_rms         0.242
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.105
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     541
_refine_ls_number_reflns         30004
_refine_ls_number_restraints     291
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0417
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0312P)^2^+10.8041P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.0993
_reflns_number_gt                25344
_reflns_number_total             30004
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b617606b.txt
_cod_data_source_block           cr231_0m
_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               7101784