10,10-Dimethyl-1,2,8-thiadiazecan-9-one 1,1-dioxide
Linden, Anthony; Todorova, Tonya R.; Heimgartner, Heinz; Acta Crystallographica Section C 55 (1999) 1378–1380; doi:10.1107/S0108270199007611

data_2008757
_publ_section_title
;
 10,10-Dimethyl-1,2,8-thiadiazecan-9-one 1,1-dioxide
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1378
_journal_page_last               1380
_journal_paper_doi               10.1107/S0108270199007611
_journal_volume                  55
_journal_year                    1999
_chemical_formula_moiety         'C9 H18 N2 O3 S'
_chemical_formula_sum            'C9 H18 N2 O3 S'
_chemical_formula_weight         234.31
_chemical_melting_point          461(5)
_chemical_name_systematic
;3,4,5,6,7,8-hexahydro-10,10-dimethyl-1,2,8-thiadiazecin-9(10H)-one
 1,1-dioxide
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_cell_angle_alpha                90.00
_cell_angle_beta                 94.270(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.6804(15)
_cell_length_b                   11.117(2)
_cell_length_c                   8.7621(8)
_cell_measurement_reflns_used    21
_cell_measurement_temperature    173.0(10)
_cell_measurement_theta_max      20.0
_cell_measurement_theta_min      19.5
_cell_volume                     551.78(18)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;
MSC/AFC Diffractometer Control Software (Molecular
Structure Corporation, 1991)
;
_computing_data_reduction
'TEXSAN (Molecular Structure Corporation, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      173.0(10)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku AFC-5R'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode generator'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.014
_diffrn_reflns_av_sigmaI/netI    0.0261
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3674
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         30
_diffrn_reflns_theta_min         2.5
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.284
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.410
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             252
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.43
_refine_diff_density_min         -0.18
_refine_ls_abs_structure_details 'Flack (1983)'
_refine_ls_abs_structure_Flack   -0.03(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         3211
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.028
_refine_ls_R_factor_gt           0.027
_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^)+(0.0421P)^2^+0.0342P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.072
_reflns_number_gt                3127
_reflns_number_total             3211
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            bm1340.cif
_cod_data_source_block           III
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '456.3-466.4' was changed to '461(5)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '456.3-466.4' was changed to '461(5)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        551.77(19)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2008757
_cod_database_fobs_code          2008757