Methyl 2-(2,3,5-trimethyl-1,1-dioxo-2<i>H</i>-1λ^6^,2,6-thiadiazin-4-yl)benzoate
Bhatt, Nilay; Bhatt, Pralav; Nimavat, Kiran; Govender, Thavendran; Kruger, Hendrik G.; Maguire, Glenn E. M.; Acta Crystallographica Section E 68 (2012) o3360–; doi:10.1107/S1600536812046375

data_2236886
_publ_section_title
;
 Methyl
 2-(2,3,5-trimethyl-1,1-dioxo-2<i>H</i>-1\l^6^,2,6-thiadiazin-4-yl)benzoate
;
_journal_coeditor_code           HB6962
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3360
_journal_paper_doi               10.1107/S1600536812046375
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C14 H16 N2 O4 S'
_chemical_formula_moiety         'C14 H16 N2 O4 S'
_chemical_formula_sum            'C14 H16 N2 O4 S'
_chemical_formula_weight         308.35
_chemical_name_systematic
;
Methyl
2-(2,3,5-trimethyl-1,1-dioxo-2<i>H</i>-1\l^6^,2,6-thiadiazin-4-yl)benzoate
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 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            8
_cell_length_a                   13.5954(3)
_cell_length_b                   8.0683(2)
_cell_length_c                   25.9554(7)
_cell_measurement_reflns_used    33574
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      2.64
_cell_volume                     2847.09(12)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2000)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'OLEX2 (Dolomanov <i>et al.</i>, 2009)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '1.2\% \f scans and \w scans'
_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  0.0570
_diffrn_reflns_av_sigmaI/netI    0.0523
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            33574
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.64
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.245
_exptl_absorpt_correction_T_max  0.9503
_exptl_absorpt_correction_T_min  0.9345
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.439
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.206
_refine_diff_density_min         -0.254
_refine_ls_abs_structure_details 'Flack (1983), 2751 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.06(5)
_refine_ls_extinction_coef       0.0022(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   0.985
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         6094
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0649
_refine_ls_R_factor_gt           0.0372
_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^)+(0.0445P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0742
_refine_ls_wR_factor_ref         0.0825
_reflns_number_gt                4522
_reflns_number_total             6094
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb6962.cif
_cod_data_source_block           I
_cod_database_code               2236886
_cod_database_fobs_code          2236886