Chemo- and enantioselective sulfoxidation of bis(ethylenedithio)-tetrathiafulvalene (BEDT-TTF) into chiral BEDT-TTF-sulfoxide
Chas, Marcos; Lemarié, Margareth; Gulea, Mihaela; Avarvari, Narcis; Chemical Communications (Cambridge, United Kingdom)  (2008) 220–222; doi:10.1039/b714245e

data_7102805
_publ_section_title
;
 Chemo- and enantioselective sulfoxidation of
 bis(ethylenedithio)-tetrathiafulvalene (BEDT-TTF) into chiral
 BEDT-TTF-sulfoxide
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   2
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              220
_journal_page_last               222
_journal_paper_doi               10.1039/b714245e
_journal_year                    2008
_chemical_formula_sum            'C22 H8 F4 N4 O2 S8'
_chemical_formula_weight         692.80
_chemical_name_common            (BEDT-TTF-bis(sulfoxide))(TCNQF4)
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 110.44(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.776(4)
_cell_length_b                   9.890(3)
_cell_length_c                   10.644(5)
_cell_measurement_reflns_used    113
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.4
_cell_measurement_theta_min      4.4
_cell_volume                     2641.2(1)
_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, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  area_detector
_diffrn_measurement_method       CCD
_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  0.0568
_diffrn_reflns_av_sigmaI/netI    0.0700
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            16031
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.20
_exptl_absorpt_coefficient_mu    0.737
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.76995
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.742
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       plate
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.52(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     364
_refine_ls_number_reflns         5001
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0881
_refine_ls_R_factor_gt           0.0455
_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^)+(0.0459P)^2^+0.3008P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0887
_refine_ls_wR_factor_ref         0.0996
_reflns_number_gt                3398
_reflns_number_total             5001
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b714245e.txt
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7102805