Benzodicarbomethoxytetrathiafulvalene Derivatives as Soluble Organic Semiconductors
Francisco Otón; Raphael Pfattner; Neil S. Oxtoby; Marta Mas-Torrent; Klaus Wurst; Xavier Fontrodona; Yoann Olivier; Jérôme Cornil; Jaume Veciana; Concepció Rovira; Journal of Organic Chemistry 76 (2011) 154–163; doi:10.1021/jo101817j

data_4025954
_publ_section_title
;
 Benzodicarbomethoxytetrathiafulvalene Derivatives as Soluble Organic
 Semiconductors
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              154
_journal_page_last               163
_journal_paper_doi               10.1021/jo101817j
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         "'C20 H10 F7 N O6 S4"
_chemical_formula_sum            'C20 H10 F7 N O6 S4'
_chemical_formula_weight         621.53
_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                97.782(2)
_cell_angle_beta                 90.026(2)
_cell_angle_gamma                102.338(2)
_cell_formula_units_Z            4
_cell_length_a                   8.6082(10)
_cell_length_b                   13.6635(16)
_cell_length_c                   21.298(3)
_cell_measurement_temperature    300(2)
_cell_volume                     2423.5(5)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT+'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      300(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  ccd
_diffrn_measurement_method       'phi and omega 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  0.0607
_diffrn_reflns_av_sigmaI/netI    0.0821
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            37820
_diffrn_reflns_theta_full        28.41
_diffrn_reflns_theta_max         28.41
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    0.485
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.827871
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 SADABS Version 2.1 2001 Bruker-Nonius
 Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.703
_exptl_crystal_description       needle
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.838
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     708
_refine_ls_number_reflns         11690
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      0.974
_refine_ls_R_factor_all          0.1564
_refine_ls_R_factor_gt           0.0672
_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^)+(0.1184P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1771
_refine_ls_wR_factor_ref         0.2239
_reflns_number_gt                5260
_reflns_number_total             11690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo101817j_si_002.cif
_cod_data_source_block           fov47
_cod_database_code               4025954