Some Diels–Alder adducts of 6-vinyl-1-oxa-4-thiaspiro[4.5]dec-6-ene
Parvez, Masood; Yadav, Veejendra K.; Senthil, Govindaraji; Acta Crystallographica Section C 57 (2001) 82–85; doi:10.1107/S0108270100013597

data_2011697
_publ_section_title
;
 Some Diels--Alder adducts of 6-vinyl-1-oxa-4-thiaspiro[4.5]dec-6-ene
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              82
_journal_page_last               85
_journal_paper_doi               10.1107/S0108270100013597
_journal_volume                  57
_journal_year                    2001
_chemical_formula_moiety         'C13 H17 N3 O3 S'
_chemical_formula_sum            'C13 H17 N3 O3 S'
_chemical_formula_weight         295.36
_chemical_name_common
;
N-Methyl-1,3,4-triazoline-2,5-dione adduct of
1-oxa-4-thia-6-vinyl-spiro[4.5]dec-6-ene
;
_chemical_name_systematic
;
2-methyl-5,7,8,9,10,10a-hexahydro-1H-1,2,4-triazolo[1,2-a]cinnoline-7-spiro-
2'-[1,3]oxathiolane-1,3-dione
;
_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'
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.944(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.258(2)
_cell_length_b                   7.3897(17)
_cell_length_c                   14.2874(13)
_cell_measurement_reflns_used    12
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      10
_cell_volume                     1345.9(4)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;MSC/AFC Diffractometer Control Software (Molecular Structure Corporation,
 1988)
;
_computing_data_reduction
'TEXSAN (Molecular Structure Corporation, 1994)'
_computing_molecular_graphics    TEXSAN
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SAPI91 (Fan, 1991)'
_diffrn_ambient_temperature      170(2)
_diffrn_measurement_device_type  'Rigaku AFC-6S'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71069
_diffrn_reflns_av_R_equivalents  .047
_diffrn_reflns_av_sigmaI/netI    .086
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            2487
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.5
_diffrn_standards_decay_%        <0.1
_diffrn_standards_interval_count 200
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .25
_exptl_absorpt_correction_T_max  .93
_exptl_absorpt_correction_T_min  .90
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
via \y-scan (3 reflections) (North et al., 1968)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.458
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          .42
_exptl_crystal_size_mid          .35
_exptl_crystal_size_min          .31
_refine_diff_density_max         .24
_refine_diff_density_min         -.27
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.00
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2380
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.00
_refine_ls_R_factor_all          .113
_refine_ls_R_factor_gt           .042
_refine_ls_shift/su_max          <0.01
_refine_ls_shift/su_mean         .00
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.058P)^2^+0.264P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .130
_reflns_number_gt                1337
_reflns_number_total             2380
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            da1148.cif
_cod_data_source_block           IIIa
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2011697
_cod_database_fobs_code          2011697