9,10-Dichlorooctafluoroanthracene as a Building Block for n-Type Organic Semiconductors
John F. Tannaci; Masahiro Noji; Jennifer McBee; T. Don Tilley; Journal of Organic Chemistry 72 (2007) 5567–5573; doi:10.1021/jo070404a

data_4024046
_publ_section_title
;
 9,10-Dichlorooctafluoroanthracene as a Building Block for
 n-Type Organic Semiconductors
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5567
_journal_page_last               5573
_journal_paper_doi               10.1021/jo070404a
_journal_volume                  72
_journal_year                    2007
_chemical_formula_moiety         'C14 Cl2 F8'
_chemical_formula_sum            'C14 Cl2 F8'
_chemical_formula_weight         391.04
_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_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.889(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.719(3)
_cell_length_b                   5.0376(17)
_cell_length_c                   15.660(5)
_cell_measurement_reflns_used    903
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      29.57
_cell_measurement_theta_min      2.61
_cell_volume                     608.1(4)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      193(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0365
_diffrn_reflns_av_sigmaI/netI    0.0510
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2290
_diffrn_reflns_theta_full        23.25
_diffrn_reflns_theta_max         23.25
_diffrn_reflns_theta_min         2.60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.634
_exptl_absorpt_correction_T_max  0.940
_exptl_absorpt_correction_T_min  0.930
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Sadabs, 2004'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    2.136
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             380
_exptl_crystal_size_max          .2
_exptl_crystal_size_mid          .1
_exptl_crystal_size_min          .1
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         869
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0590
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0686P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0952
_refine_ls_wR_factor_ref         0.1066
_reflns_number_gt                676
_reflns_number_total             869
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo070404asi20070227_031157.cif
_cod_data_source_block           F8DCLANT
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 21/c'
_cod_database_code               4024046