A straightforward approach to robust thiazolylidene gold complexes: efficient catalysts for propargylamide cycloisomerizations.
Chalkidis, Savvas G.; Tsoureas, Nikolaos; Nolan, Steven P.; Vougioukalakis, Georgios C.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 14659–14663; doi:10.1039/d5dt02258d

data_7719517
_publ_section_title
;
 A straightforward approach to robust thiazolylidene gold complexes:
 efficient catalysts for propargylamide cycloisomerizations.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14659
_journal_page_last               14663
_journal_paper_doi               10.1039/d5dt02258d
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         '0.5(C28 H34 Au2 Cl2 N2 S2)'
_chemical_formula_sum            'C14 H17 Au Cl N S'
_chemical_formula_weight         463.76
_chemical_name_common            2g
_chemical_name_systematic        2g
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2025-05-16
_audit_creation_method
;
Olex2 1.5
(compiled 2025.04.05 svn.rf049d14d for OlexSys, GUI svn.r7224)
;
_audit_update_record
;
2025-08-11 deposited with the CCDC.	2025-09-23 downloaded from the CCDC.
;
_cell_angle_alpha                80.915(4)
_cell_angle_beta                 86.971(4)
_cell_angle_gamma                88.399(4)
_cell_formula_units_Z            4
_cell_length_a                   8.7738(9)
_cell_length_b                   12.4596(14)
_cell_length_c                   14.1487(14)
_cell_measurement_reflns_used    9113
_cell_measurement_temperature    100.00
_cell_measurement_theta_max      28.232
_cell_measurement_theta_min      2.325
_cell_volume                     1524.9(3)
_computing_cell_refinement       'SAINT V8.40B (Bruker AXS Inc, 2016)'
_computing_data_collection       'APEX 5 (Bruker AXS Inc, 2023)'
_computing_data_reduction        'SAINT V8.40B (Bruker AXS Inc, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'XT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.00
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8-Venture with Photon-III'
_diffrn_measurement_method       '/f and /w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0565
_diffrn_reflns_av_unetI/netI     0.0178
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            160754
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.265
_diffrn_reflns_theta_min         2.325
_diffrn_source                   'ImS Diamond'
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    9.942
_exptl_absorpt_correction_T_max  0.9307
_exptl_absorpt_correction_T_min  0.3137
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1651 before and 0.0771 after correction.
The Ratio of minimum to maximum transmission is 0.3371.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    2.020
_exptl_crystal_description       rod
_exptl_crystal_F_000             880
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: CH2Cl2, n-C5H12'
_exptl_crystal_size_max          0.138
_exptl_crystal_size_mid          0.027
_exptl_crystal_size_min          0.024
_refine_diff_density_max         1.408
_refine_diff_density_min         -0.768
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         7556
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.130
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0177
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0159P)^2^+2.0187P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0402
_refine_ls_wR_factor_ref         0.0427
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6804
_reflns_number_total             7556
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt02258d2.cif
_cod_data_source_block           2g
_cod_depositor_comments
'Adding full bibliography for 7719511--7719521.cif.'
_cod_database_code               7719517
_shelx_shelxl_version_number     2019/1
_shelx_estimated_absorpt_t_max   0.796
_shelx_estimated_absorpt_t_min   0.341
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C22(H22), C20(H20), C11(H11), C9(H9)
2.b Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C24(H24A,H24B,H24C), C27(H27A,H27B,H27C), C16(H16A,H16B,
 H16C), C28(H28A,H28B,H28C), C26(H26A,H26B,H26C), C17(H17A,H17B,H17C), C25(H25A,
 H25B,H25C), C13(H13A,H13B,H13C), C15(H15A,H15B,H15C)
;
_shelx_res_checksum              3170
_shelx_hkl_checksum              60781
_olex2_submission_special_instructions 'No special instructions were received'