Highly fluorinated benzobisbenzothiophenes.
Wang, Yongfeng; Parkin, Sean R.; Gierschner, Johannes; Watson, Mark D.; Organic letters 10 (2008) 3307–3310; doi:10.1021/ol8003468

data_1504620
_publ_section_title
;
 Highly fluorinated benzobisbenzothiophenes.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3307
_journal_page_last               3310
_journal_paper_doi               10.1021/ol8003468
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety         'C18 H2 F8 S2'
_chemical_formula_sum            'C18 H2 F8 S2'
_chemical_formula_weight         434.34
_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                 105.221(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.9828(7)
_cell_length_b                   4.5421(3)
_cell_length_c                   15.0414(9)
_cell_measurement_reflns_used    3747
_cell_measurement_temperature    90.0(2)
_cell_measurement_theta_max      68.67
_cell_measurement_theta_min      6.10
_cell_volume                     724.02(8)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker-AXS, 2006)'
_computing_data_reduction        APEX2
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 1994)'
_computing_publication_material
; 
SHELX97-2 (Sheldrick, 1997) and local procedures 
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      90.0(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker X8 Proteum diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'graded multilayer optics'
_diffrn_radiation_source         'fine-focus rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0475
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            1315
_diffrn_reflns_theta_full        68.70
_diffrn_reflns_theta_max         68.70
_diffrn_reflns_theta_min         4.17
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.294
_exptl_absorpt_correction_T_max  0.958
_exptl_absorpt_correction_T_min  0.502
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs in APEX2 (BrukerAXS, 2006)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.992
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       flake
_exptl_crystal_F_000             428
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.484
_refine_diff_density_min         -0.566
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         1315
_refine_ls_number_restraints     359
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1196
_refine_ls_R_factor_gt           0.0871
_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^)+(0.0231P)^2^+7.9974P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1962
_refine_ls_wR_factor_ref         0.2211
_reflns_number_gt                996
_reflns_number_total             1315
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ol8003468-file001.cif
_cod_data_source_block           x07148t_1c
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1504620