Fundamental chemistry of iodine. The reaction of di-iodine towards thiourea and its methyl-derivative: formation of aminothiazoles and aminothiadiazoles through dicationic disulfides.
Biesiada, M.; Kourkoumelis, N.; Kubicki, M.; Owczarzak, A. M.; Balas, V.; Hadjikakou, S. K.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 4790–4806; doi:10.1039/c3dt53302f

data_7028685
_publ_section_title
;
 Fundamental chemistry of iodine. The reaction of di-iodine towards
 thiourea and its methyl-derivative: formation of aminothiazoles and
 aminothiadiazoles through dicationic disulfides.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4790
_journal_page_last               4806
_journal_paper_doi               10.1039/c3dt53302f
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C4 H9 N4 S, I3'
_chemical_formula_sum            'C4 H9 I3 N4 S'
_chemical_formula_weight         525.91
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.6402(4)
_cell_length_b                   13.7770(8)
_cell_length_c                   14.1348(5)
_cell_measurement_reflns_used    1530
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      28.0642
_cell_measurement_theta_min      3.2168
_cell_volume                     2461.49(18)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector_area_resol_mean 16.1544
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.846
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0610
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6414
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.13
_diffrn_reflns_theta_min         3.22
_exptl_absorpt_coefficient_mu    7.752
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.85201
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.838
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.380
_refine_diff_density_min         -0.955
_refine_diff_density_rms         0.247
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         2547
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0564
_refine_ls_R_factor_gt           0.0367
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0201P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0635
_refine_ls_wR_factor_ref         0.0716
_reflns_number_gt                1990
_reflns_number_total             2547
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt53302f.txt
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      'P bca'
_cod_database_code               7028685