Chiral diethyl-EDT-TTF and tetraethyl-BEDT-TTF: synthesis, structural characterization, radical cation salt and charge transfer complexes
Mroweh, Nabil; Cauchy, Thomas; Vanthuyne, Nicolas; Avarvari, Narcis; CrystEngComm  (2022) –; doi:10.1039/D2CE00857B

data_7245323
_publ_section_title
;
 Chiral diethyl-EDT-TTF and tetraethyl-BEDT-TTF: synthesis, structural
 characterization, radical cation salt and charge transfer complexes
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00857B
_journal_year                    2022
_chemical_absolute_configuration syn
_chemical_formula_sum            'C18 H24 S8'
_chemical_formula_weight         496.85
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/4
_audit_update_record
;
2022-08-02 deposited with the CCDC.	2022-08-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.622(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.2148(4)
_cell_length_b                   10.2029(4)
_cell_length_c                   13.8985(8)
_cell_measurement_reflns_used    5067
_cell_measurement_temperature    293.00(10)
_cell_measurement_theta_max      71.8760
_cell_measurement_theta_min      3.1600
_cell_volume                     1162.57(10)
_computing_structure_refinement  'SHELXL-2016/4 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'SuperNova, Single source at offset/far, AtlasS2'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0810
_diffrn_reflns_av_unetI/netI     0.0829
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.970
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8116
_diffrn_reflns_point_group_measured_fraction_full 0.942
_diffrn_reflns_point_group_measured_fraction_max 0.924
_diffrn_reflns_theta_full        70.000
_diffrn_reflns_theta_max         71.894
_diffrn_reflns_theta_min         3.186
_exptl_absorpt_coefficient_mu    7.121
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details
;
 Classical Flack method preferred over Parsons because s.u. lower.
;
_refine_ls_abs_structure_Flack   -0.03(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         4211
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0646P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1121
_refine_ls_wR_factor_ref         0.1166
_reflns_Friedel_coverage         0.798
_reflns_Friedel_fraction_full    0.897
_reflns_Friedel_fraction_max     0.873
_reflns_number_gt                3896
_reflns_number_total             4211
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ce00857b3.cif
_cod_data_source_block           shelx_CCDC7
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7245323
_shelx_shelxl_version_number     2016/4
_shelx_res_checksum              6146