Synthesis, Molecular Structure, and Applications of 2-Hydroxylamino-4,5-dihydroimidazolium-O-sulfonate to the Synthesis of Novel Heterocyclic Ring Systems
Franciszek Sączewski; Jarosław Sączewski; Maria Gdaniec; Journal of Organic Chemistry 68 (2003) 4791–4796; doi:10.1021/jo034309n

data_4022449
_publ_section_title
;
 Synthesis, Molecular Structure, and Applications of
 2-Hydroxylamino-4,5-dihydroimidazolium-O-sulfonate to the
 Synthesis of Novel Heterocyclic Ring Systems
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4791
_journal_page_last               4796
_journal_paper_doi               10.1021/jo034309n
_journal_volume                  68
_journal_year                    2003
_chemical_formula_sum            'C5 H5 N3 S3'
_chemical_formula_weight         203.30
_chemical_melting_point          249.0(10)
_chemical_name_systematic
; 
7,8-dihydroimidazo[1,2-c][1,3,5]thiadiazine-2,4(6H)-dithione
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 132.541(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.7501(13)
_cell_length_b                   6.1929(4)
_cell_length_c                   15.6134(9)
_cell_measurement_temperature    294(2)
_cell_volume                     1620.77(17)
_computing_cell_refinement       'KM4RED, Version 1.166, 2000'
_computing_data_collection       'KM4CCD, Version 1.166, 2000'
_computing_data_reduction        'KM4RED, Version 1.166, 2000'
_computing_molecular_graphics
; 
Stereochemical Workstation, Siemens Analytical X-Ray Instruments, Inc., 1989.
;
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'KumaCCD diffractometer'
_diffrn_measurement_method       '\o scan'
_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  0.0298
_diffrn_reflns_av_sigmaI/netI    0.0193
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7234
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         3.51
_diffrn_standards_decay_%        <1.5
_diffrn_standards_interval_count 50
_exptl_absorpt_coefficient_mu    0.847
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.666
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.351
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.161
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     120
_refine_ls_number_reflns         1926
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.161
_refine_ls_R_factor_all          0.0453
_refine_ls_R_factor_gt           0.0403
_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^)+(0.0596P)^2^+0.6951P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1053
_refine_ls_wR_factor_ref         0.1095
_reflns_number_gt                1754
_reflns_number_total             1926
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             4022444
_cod_data_source_file            jo034309nsi20030408_013443_3.cif
_cod_data_source_block           cmpd16
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '248-250' was changed to '249.0(10)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4022449