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_4022445
_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            'C10 H17 N3 O'
_chemical_formula_weight         195.27
_chemical_melting_point          213.0(10)
_chemical_name_systematic
;
6,7-dihydro-3-spiro(4-methylcyclohexyl)-5H-imidazo[2,1-c][1,2,4]oxadiazole
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 115.541(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.6922(14)
_cell_length_b                   9.8340(13)
_cell_length_c                   10.9612(14)
_cell_measurement_temperature    294(2)
_cell_volume                     1039.9(2)
_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 0.997
_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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0282
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5091
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         4.09
_diffrn_standards_decay_%        <1.5
_diffrn_standards_interval_count 50
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.163
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         1832
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0537
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.031
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0619P)^2^+0.1129P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1123
_refine_ls_wR_factor_ref         0.1200
_reflns_number_gt                1591
_reflns_number_total             1832
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo034309nsi20030314_024222_4.cif
_cod_data_source_block           cmpd-7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '212-214' was changed to '213.0(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/c'
_cod_database_code               4022445