Cation radical salts of cyano(ethylenedithio)tetrathiafulvalene with halogenated anions: annihilation of the CN···Hal interaction and stabilisation of conducting, antiferromagnetic square or chain-type salts
Thomas Devic; Josep N. Bertran; Benoît Domercq; Enric Canadell; Narcis Avarvari; Pascale Auban-Senzier; Marc Fourmigué; New J. Chem. 25 (2001) 1418–1424; doi:10.1039/b104640n

data_7051188
_publ_section_title
;
 Cation radical salts of cyano(ethylenedithio)tetrathiafulvalene with
 halogenated anions: annihilation of the CN&#x00B7;&#x00B7;&#x00B7;Hal
 interaction and stabilisation of conducting, antiferromagnetic square
 or chain-type salts
;
_journal_issue                   11
_journal_name_full               'New J. Chem.'
_journal_page_first              1418
_journal_page_last               1424
_journal_paper_doi               10.1039/b104640n
_journal_volume                  25
_journal_year                    2001
_chemical_formula_moiety         'C9H5NS6, AuBr4'
_chemical_formula_sum            'C9 H5 Au Br4 N S6'
_chemical_formula_weight         836.11
_chemical_name_common            'EDT-TTF-CN, AuBr4'
_chemical_name_systematic
; 
3-cyano -3',4'-ethylenedithiotetrathiafulvalene, tetrabromoaurate (III)   
;
_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                93.98(3)
_cell_angle_beta                 93.63(3)
_cell_angle_gamma                114.98(3)
_cell_formula_units_Z            2
_cell_length_a                   7.7596(16)
_cell_length_b                   8.3250(17)
_cell_length_c                   16.245(3)
_cell_measurement_reflns_used    5982
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.75
_cell_measurement_theta_min      2.55
_cell_volume                     944.0(4)
_computing_cell_refinement       'CELL, Stoe-IPDS'
_computing_data_collection       'EXPOSE, Stoe-IPDS'
_computing_data_reduction        'INTEGRATE, Stoe-IPDS'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 6.66
_diffrn_measured_fraction_theta_full 0.931
_diffrn_measured_fraction_theta_max 0.931
_diffrn_measurement_device_type  area_detector
_diffrn_measurement_method       'rotation, phi incr. 1.4'
_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  0.0993
_diffrn_reflns_av_sigmaI/netI    0.0852
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            9269
_diffrn_reflns_theta_full        25.83
_diffrn_reflns_theta_max         25.83
_diffrn_reflns_theta_min         2.53
_exptl_absorpt_coefficient_mu    16.911
_exptl_absorpt_correction_T_max  0.2197
_exptl_absorpt_correction_T_min  0.0943
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'FACEIT, Stoe-IPDS'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.942
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             762
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.534
_refine_diff_density_min         -3.349
_refine_diff_density_rms         0.322
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3409
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.0648
_refine_ls_R_factor_gt           0.0445
_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^)+(0.0554P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1089
_refine_ls_wR_factor_ref         0.1139
_reflns_number_gt                2363
_reflns_number_total             3409
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b104640n.txt
_cod_data_source_block           tde297absm
_cod_original_cell_volume        944.0(3)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7051188