Chirality Driven Metallic versus Semiconducting Behavior in a Complete Series of Radical Cation Salts Based on Dimethyl-Ethylenedithio-Tetrathiafulvalene (DM-EDT-TTF)
Flavia Pop; Pascale Auban-Senzier; Arkadiusz Frąckowiak; Krzysztof Ptaszyński; Iwona Olejniczak; John D. Wallis; Enric Canadell; Narcis Avarvari; Journal of the American Chemical Society 135 (2013) 17176–17186; doi:10.1021/ja408350r

data_4121128
_publ_section_title
;
 Chirality Driven Metallic versus Semiconducting Behavior in a Complete
 Series of Radical Cation Salts Based on
 Dimethyl-Ethylenedithio-Tetrathiafulvalene (DM-EDT-TTF)
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17176
_journal_page_last               17186
_journal_paper_doi               10.1021/ja408350r
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C20 H20 F6 P S12'
_chemical_formula_sum            'C20 H20 F6 P S12'
_chemical_formula_weight         790.05
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 107.326(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.1431(16)
_cell_length_b                   15.707(2)
_cell_length_c                   15.474(3)
_cell_measurement_reflns_used    9687
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      1.6
_cell_volume                     3049.5(8)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       KappaCCD
_computing_data_reduction        'Denzo and Scalepak'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Nonius Kappa 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  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0451
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            36707
_diffrn_reflns_theta_full        28.73
_diffrn_reflns_theta_max         28.73
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.963
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.5813
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.721
_exptl_crystal_description       plate
_exptl_crystal_F_000             1604
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.537
_refine_diff_density_min         -0.495
_refine_diff_density_rms         0.076
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.06(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     703
_refine_ls_number_reflns         15017
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0491
_refine_ls_shift/su_max          0.050
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0624P)^2^+2.3520P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1173
_refine_ls_wR_factor_ref         0.1385
_reflns_number_gt                10638
_reflns_number_total             15017
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja408350r_si_001_4.cif
_cod_data_source_block           '[(R,R)-1]2PF6'
_cod_original_cell_volume        3049.6(9)
_cod_original_sg_symbol_Hall     P2yb
_cod_database_code               4121128