Syntheses of, and structural studies on, benzo-fused 1,2,4-thiadiazines
Clark, Ewan R.; Hayward, John J.; Leontowicz, Bryce J.; Eisler, Dana J.; Rawson, Jeremy M.; CrystEngComm 16 (2014) 1755–; doi:10.1039/c3ce42205d

data_7214073
_publ_section_title
;
 Syntheses of, and structural studies on, benzo-fused 1,2,4-thiadiazines
;
_journal_issue                   9
_journal_name_full               CrystEngComm
_journal_page_first              1755
_journal_paper_doi               10.1039/c3ce42205d
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C13 H8 N4 O4 S'
_chemical_formula_sum            'C13 H8 N4 O4 S'
_chemical_formula_weight         316.29
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 108.59(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.173(3)
_cell_length_b                   7.0180(14)
_cell_length_c                   14.651(3)
_cell_measurement_reflns_used    6782
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      1.02
_cell_volume                     1283.8(5)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction
;
 HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_publication_material  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al. 1994)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'Thin slice \w and \f scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0349
_diffrn_reflns_av_sigmaI/netI    0.0336
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8790
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.52
_exptl_absorpt_coefficient_mu    0.279
_exptl_absorpt_correction_T_max  0.936
_exptl_absorpt_correction_T_min  0.85
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.636
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.399
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2267
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0446
_refine_ls_R_factor_gt           0.0346
_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^)+(0.0766P)^2^+0.3638P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1027
_refine_ls_wR_factor_ref         0.1125
_reflns_number_gt                1982
_reflns_number_total             2267
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce42205d.txt
_cod_data_source_block           compound_7
_cod_original_cell_volume        1283.8(4)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7214073