1,3-Dibenzoylimidazolidine-2-thione and 1,3-dibenzoyl-3,4,5,6-tetrahydropyrimidine-2(1<i>H</i>)-thione
Kazak, Canan; Yilmaz, Veysel T.; Servi, Suleyman; Koca, Murat; Heinemann, Frank W.; Acta Crystallographica Section C 61 (2005) o348–o350; doi:10.1107/S0108270105009844

data_2014950
_publ_section_title
;
 1,3-Dibenzoylimidazolidine-2-thione and
 1,3-dibenzoyl-3,4,5,6-tetrahydropyrimidine-2(1<i>H</i>)-thione
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o348
_journal_page_last               o350
_journal_paper_doi               10.1107/S0108270105009844
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C18 H16 N2 O2 S'
_chemical_formula_moiety         'C18 H16 N2 O2 S'
_chemical_formula_sum            'C18 H16 N2 O2 S'
_chemical_formula_weight         324.39
_chemical_name_systematic
;
1,3-Dibenzoyl-3,4,5,6-tetrahydropyrimidine-2(1H)-thione
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                   8.6803(6)
_cell_length_b                   21.9460(10)
_cell_length_c                   8.1845(9)
_cell_measurement_reflns_used    150
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.00
_cell_measurement_theta_min      6.00
_cell_volume                     1559.1(2)
_computing_cell_refinement       'EVALCCD (Bruker, 2002)'
_computing_data_collection       'COLLECT (Bruker, 2002)'
_computing_data_reduction        EVALCCD
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2002)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method
;
 \f and \w scans with 1.4\% and 126 s per frame
;
_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  0.0395
_diffrn_reflns_av_sigmaI/netI    0.0225
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            22525
_diffrn_reflns_theta_full        28.69
_diffrn_reflns_theta_max         28.69
_diffrn_reflns_theta_min         3.42
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.219
_exptl_absorpt_correction_T_max  0.972
_exptl_absorpt_correction_T_min  0.941
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.278
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         2051
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0504
_refine_ls_R_factor_gt           0.0382
_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^)+(0.0438P)^2^+0.7208P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0896
_refine_ls_wR_factor_ref         0.0951
_reflns_number_gt                1707
_reflns_number_total             2051
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tr1118.cif
_cod_data_source_block           II
_cod_database_code               2014950
_cod_database_fobs_code          2014950