Stereochemical and conformational consequences of the oxidation of 1,4-thiazane-3,5-dicarboxylates
Hutton, Craig A.; Jaber, Rania; Otaegui, Michelle; Turner, Jennifer J.; Turner, Peter; White, Jonathan M.; Bacskay, George B.; Journal of the Chemical Society, Perkin Transactions 2  (2002) 1066–; doi:10.1039/b202231a

data_7205022
_publ_section_title
;
 Stereochemical and conformational consequences of the oxidation of
 1,4-thiazane-3,5-dicarboxylates
;
_journal_issue                   6
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 2'
_journal_page_first              1066
_journal_paper_doi               10.1039/b202231a
_journal_year                    2002
_chemical_formula_sum            'C8 H13 N O5 S'
_chemical_formula_weight         235.25
_chemical_melting_point          369.15
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.486(3)
_cell_length_b                   8.3500(14)
_cell_length_c                   6.557(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      10
_cell_volume                     1066.9(5)
_computing_cell_refinement       'CAD-4 Software 5.0 (Enraf-Nonius, 1989)'
_computing_data_collection       'CAD-4 Software 5.0 (Enraf-Nonius, 1989)'
_computing_data_reduction        'PROCESS_DATA (Gable et al., 1994)'
_computing_molecular_graphics    ORTEP3
_computing_publication_material  WINGX
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4 diffractometer'
_diffrn_measurement_method       \q2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0184
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       2
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            922
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         2.09
_diffrn_standards_decay_%        2
_diffrn_standards_interval_time  9600
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.305
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.230
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.16(19)
_refine_ls_extinction_coef       0.0004(7)
_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   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     77
_refine_ls_number_reflns         640
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0336
_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^)+(0.0370P)^2^+0.3559P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.0772
_reflns_number_gt                545
_reflns_number_total             640
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b202231a.txt
_cod_data_source_block           jmwch2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/adriana/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '96 C' was changed to '369.15' - it
was converted from degrees Celsius(C) to Kelvins(K).

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 
;
_cod_original_sg_symbol_H-M      Cmc21
_cod_database_code               7205022