Gold bis(dithiolene) radical with fused pyrazine and dithiine rings on dithiolene ligand turns metallic under pressure.
Kharraz, Haia; Alemany, Pere; Canadell, Enric; Roisnel, Thierry; Cui, Hengbo; Kim, Kee Hoon; Fourmigué, Marc; Lorcy, Dominique; Dalton transactions (Cambridge, England : 2003) 54 (2025) 7240–7251; doi:10.1039/d5dt00380f

data_7718471
_publ_section_title
;
 Gold bis(dithiolene) radical with fused pyrazine and dithiine rings on
 dithiolene ligand turns metallic under pressure.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7240
_journal_page_last               7251
_journal_paper_doi               10.1039/d5dt00380f
_journal_volume                  54
_journal_year                    2025
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C12 H4 Au N4 S8'
_chemical_formula_sum            'C12 H4 Au N4 S8'
_chemical_formula_weight         657.64
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_update_record
;
2025-02-10 deposited with the CCDC.	2025-04-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.492(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.7034(5)
_cell_length_b                   30.203(4)
_cell_length_c                   7.5483(9)
_cell_measurement_reflns_used    7147
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5094
_cell_measurement_theta_min      2.6975
_cell_measurement_wavelength     0.710730
_cell_volume                     835.05(19)
_computing_cell_refinement       'APEX3 (Bruker, 2015)'
_computing_data_collection       'Bruker APEX3 (Bruker, 2015)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics
;
   'SXGRAPH (L. Farrugia, 1999), Mercury (CSD, 2020)'
;
_computing_publication_material  'CRYSCALC (T. Roisnel, local program, 2023)'
_computing_structure_refinement  'SHELXL-2019_2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT 2018_2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 CMOS-PHOTON70
_diffrn_detector_area_resol_mean 7.39
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'rotation images'
_diffrn_orient_matrix_UB_11      -0.0804183
_diffrn_orient_matrix_UB_12      -0.0288335
_diffrn_orient_matrix_UB_13      -0.0579560
_diffrn_orient_matrix_UB_21      0.2545670
_diffrn_orient_matrix_UB_22      -0.0116572
_diffrn_orient_matrix_UB_23      0.0292033
_diffrn_orient_matrix_UB_31      -0.0571338
_diffrn_orient_matrix_UB_32      -0.0113558
_diffrn_orient_matrix_UB_33      0.1171774
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0308
_diffrn_reflns_av_unetI/netI     0.0279
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7629
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.481
_diffrn_reflns_theta_min         2.698
_diffrn_source_current           1.00
_diffrn_source_power             50.0
_diffrn_source_voltage           50.00
_exptl_absorpt_coefficient_mu    9.814
_exptl_absorpt_correction_T_max  0.782
_exptl_absorpt_correction_T_min  0.571
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.615
_exptl_crystal_description       stick
_exptl_crystal_F_000             622
_exptl_crystal_size_max          0.290
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.025
_refine_diff_density_max         1.648
_refine_diff_density_min         -1.858
_refine_diff_density_rms         0.208
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.534
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     115
_refine_ls_number_reflns         1914
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.534
_refine_ls_R_factor_all          0.0497
_refine_ls_R_factor_gt           0.0477
_refine_ls_shift/su_max          0.033
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+13.2011P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1100
_refine_ls_wR_factor_ref         0.1106
_reflns_number_gt                1848
_reflns_number_total             1914
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d5dt00380f2.cif
_cod_data_source_block           HKC161
_cod_depositor_comments
'Adding full bibliography for 7718467--7718471.cif.'
_cod_original_cell_volume        835.05(18)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7718471
_shelx_res_checksum              13474
_shelx_hkl_checksum              61572