Two regioisomers of condensed thioheterocyclic triazine synthesized from 6-phenyl-3-thioxo-2,3,4,5-tetrahydro-1,2,4-triazin-5-one
Hori, Akiko; Ishida, Yasuhide; Kikuchi, Takahiro; Miyamoto, Kumiko; Sakaguchi, Hiroshi; Acta Crystallographica Section C 65 (2009) o593–o597; doi:10.1107/S0108270109043728

data_2017448
_publ_section_title
;
 Two regioisomers of condensed thioheterocyclic triazine synthesized
 from 6-phenyl-3-thioxo-2,3,4,5-tetrahydro-1,2,4-triazin-5-one
;
_journal_coeditor_code           LN3135
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o593
_journal_page_last               o597
_journal_paper_doi               10.1107/S0108270109043728
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C9 H7 N3 O S'
_chemical_formula_moiety         'C9 H7 N3 O S'
_chemical_formula_sum            'C9 H7 N3 O S'
_chemical_formula_weight         205.24
_chemical_name_systematic
;
6-phenyl-3-thioxo-2,3,4,5-tetrahydro-1,2,4-triazin-5-one
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.1891(11)
_cell_length_b                   7.4401(7)
_cell_length_c                   21.359(2)
_cell_measurement_reflns_used    4230
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.85
_cell_measurement_theta_min      2.64
_cell_volume                     1778.1(3)
_computing_cell_refinement       'SAINT (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2006)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoKa
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0173
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9167
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.64
_exptl_absorpt_coefficient_mu    0.329
_exptl_absorpt_correction_T_max  0.9805
_exptl_absorpt_correction_T_min  0.9078
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
(SADABS; Sheldrick, 1996)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.348
_refine_diff_density_min         -0.234
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         2023
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0366
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0411P)^2^+0.9641P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0777
_refine_ls_wR_factor_ref         0.0819
_reflns_number_gt                1746
_reflns_number_total             2023
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ln3135.cif
_cod_data_source_block           I
_cod_database_code               2017448
_cod_database_fobs_code          2017448