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_4022447
_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            'C3 H7 N3 O4 S'
_chemical_formula_weight         181.18
_chemical_melting_point          227.0(10)
_chemical_name_systematic
; 
2-hydroxylamino-4,5-dihydroimidazolium-O-sulfonate 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 102.393(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.4594(3)
_cell_length_b                   12.0514(7)
_cell_length_c                   10.5212(6)
_cell_measurement_reflns_used    3220
_cell_measurement_temperature    130(2)
_cell_volume                     676.10(7)
_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      130(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0254
_diffrn_reflns_av_sigmaI/netI    0.0149
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5635
_diffrn_reflns_theta_full        27.09
_diffrn_reflns_theta_max         27.09
_diffrn_reflns_theta_min         3.91
_diffrn_standards_decay_%        <1.5
_diffrn_standards_interval_count 50
_exptl_absorpt_coefficient_mu    0.449
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.780
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       brick
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.385
_refine_diff_density_rms         0.051
_refine_ls_extinction_coef       0.0086(19)
_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   1.040
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         1479
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0271
_refine_ls_R_factor_gt           0.0260
_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^)+(0.0333P)^2^+0.4665P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0672
_refine_ls_wR_factor_ref         0.0682
_reflns_number_gt                1427
_reflns_number_total             1479
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             4022442
_cod_data_source_file            jo034309nsi20030408_013443_1.cif
_cod_data_source_block           cmpd-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '226-228' was changed to '227.0(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      'P 21/n'
_cod_database_code               4022447