It is "thiazolidene-2-imine" and not imidazole-2-thione as the reaction product of 1-benzoyl-3-phenylthiourea with Br(2)/enolizable ketone.
Singh, C. B.; Murru, Siva; Kavala, Veerababurao; Patel, Bhisma K.; Organic letters 8 (2006) 5397–5399; doi:10.1021/ol062371b

data_1506297
_publ_section_title
;
 It is &quot;thiazolidene-2-imine&quot; and not imidazole-2-thione as the
 reaction product of 1-benzoyl-3-phenylthiourea with Br(2)/enolizable
 ketone.
;
_journal_issue                   23
_journal_name_full               'Organic letters'
_journal_page_first              5397
_journal_page_last               5399
_journal_paper_doi               10.1021/ol062371b
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C17 H14 N2 O S'
_chemical_formula_weight         294.36
_chemical_name_systematic
;

 ?

;
_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                97.0930(10)
_cell_angle_beta                 92.5310(10)
_cell_angle_gamma                97.6890(10)
_cell_formula_units_Z            4
_cell_length_a                   9.6420(2)
_cell_length_b                   9.9530(2)
_cell_length_c                   16.2792(3)
_cell_measurement_reflns_used    3451
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.88
_cell_measurement_theta_min      2.53
_cell_volume                     1533.44(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.869
_diffrn_measured_fraction_theta_max 0.869
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0426
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17050
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.26
_exptl_absorpt_coefficient_mu    0.211
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.491
_refine_diff_density_min         -0.257
_refine_diff_density_rms         0.036
_refine_ls_extinction_coef       0.0025(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     382
_refine_ls_number_reflns         6625
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1087
_refine_ls_R_factor_gt           0.0499
_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^)+(0.0624P)^2^+0.2522P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1175
_refine_ls_wR_factor_ref         0.1496
_reflns_number_gt                3505
_reflns_number_total             6625
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol062371bsi20060927_040849.cif
_cod_data_source_block           ks3-134_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1506297