The preparation of the MF6- (M = As, Sb) salts of 1,4-benzoquinodal bridged bis-1,3,2-dithiazolylium utilizing the cycloaddition and oxidative dehydrogenation chemistry of SNSMF6 and observation of a hybrid semiquinoidal-thiazyl radical-cation by EPR.
Decken, Andreas; Mailman, Aaron; Passmore, Jack; Chemical communications (Cambridge, England)  (2009) 6077–6079; doi:10.1039/b910338d

data_7104926
_publ_section_title
;
 The preparation of the MF6- (M = As, Sb) salts of 1,4-benzoquinodal
 bridged bis-1,3,2-dithiazolylium utilizing the cycloaddition and
 oxidative dehydrogenation chemistry of SNSMF6 and observation of a
 hybrid semiquinoidal-thiazyl radical-cation by EPR.
;
_journal_issue                   40
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              6077
_journal_page_last               6079
_journal_paper_doi               10.1039/b910338d
_journal_year                    2009
_chemical_formula_moiety         'C6 N2 O2 S4, C2 H3 N, 2 (As F6)'
_chemical_formula_sum            'C8 H3 As2 F12 N3 O2 S4'
_chemical_formula_weight         679.21
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 120.246(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.343(4)
_cell_length_b                   8.0690(13)
_cell_length_c                   15.085(3)
_cell_measurement_reflns_used    4113
_cell_measurement_temperature    173(1)
_cell_measurement_theta_max      28.23
_cell_measurement_theta_min      2.57
_cell_volume                     1928.9(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'Bruker SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker AXS SMART1000/P4'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0239
_diffrn_reflns_av_sigmaI/netI    0.0216
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6425
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.57
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              K760
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.024
_exptl_absorpt_correction_T_max  0.298778
_exptl_absorpt_correction_T_min  0.170403
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    2.339
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Parallelepiped
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.499
_refine_diff_density_min         -0.264
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     143
_refine_ls_number_reflns         2155
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0229
_refine_ls_R_factor_gt           0.0204
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0268P)^2^+1.3198P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0506
_refine_ls_wR_factor_ref         0.0517
_reflns_number_gt                1996
_reflns_number_total             2155
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            b910338d.txt
_cod_data_source_block           jp080360
_cod_original_sg_symbol_Hall     '-C 2yc '
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7104926