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_1506299
_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 H13 Br N2 O S'
_chemical_formula_weight         373.26
_chemical_name_systematic
;

 ?

;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 98.6800(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.059(2)
_cell_length_b                   13.4006(18)
_cell_length_c                   7.6695(11)
_cell_measurement_reflns_used    2923
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.50
_cell_measurement_theta_min      8.78
_cell_volume                     1631.6(4)
_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 0.961
_diffrn_measured_fraction_theta_max 0.961
_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  0.0381
_diffrn_reflns_av_sigmaI/netI    0.0345
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            15962
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         8.78
_exptl_absorpt_coefficient_mu    2.650
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.520
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.820
_refine_diff_density_min         -0.876
_refine_diff_density_rms         0.049
_refine_ls_extinction_coef       0.000(3)
_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   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3897
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          1.189
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0534P)^2^+1.0997P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1215
_refine_ls_wR_factor_ref         0.1394
_reflns_number_gt                2540
_reflns_number_total             3897
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol062371bsi20060927_041022.cif
_cod_data_source_block           ks-3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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      P2(1)/c
_cod_database_code               1506299