<i>rac</i>-1-Acetyl-5-benzyl-2-thioxoimidazolidin-4-one
Uzcátegui, Mary C.; Delgado, Gerzon E.; Mora, Asiloé J.; González, Teresa; Briceño, Alexander; Acta Crystallographica Section E 65 (2009) o104–; doi:10.1107/S1600536808041883

data_2220471
_publ_section_title
;
 <i>rac</i>-1-Acetyl-5-benzyl-2-thioxoimidazolidin-4-one
;
_journal_coeditor_code           CV2495
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o104
_journal_paper_doi               10.1107/S1600536808041883
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C12 H12 N2 O2 S'
_chemical_formula_moiety         'C12 H12 N2 O2 S'
_chemical_formula_sum            'C12 H12 N2 O2 S'
_chemical_formula_weight         248.30
_chemical_melting_point_gt       441
_chemical_melting_point_lt       443
_chemical_name_common            N-acetyl-2-thiohydantoin-phenylalanine
_chemical_name_systematic
;
<i>rac</i>-1-Acetyl-5-benzyl-2-thioxoimidazolidin-4-one
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 94.410(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.696(5)
_cell_length_b                   13.479(6)
_cell_length_c                   7.767(4)
_cell_measurement_reflns_used    4020
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.8
_cell_measurement_theta_min      2.4
_cell_volume                     1220.8(10)
_computing_cell_refinement
;
CrystalClear (Rigaku, 2002)
;
_computing_data_collection
;
CrystalClear (Rigaku, 2002)
;
_computing_data_reduction
;
CrystalStructure (Rigaku/MSC, 2004)
;
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material
;
PLATON (Spek, 2003) and publCIF (Westrip, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.798
_diffrn_measurement_device       'Mercury (2x2 bin mode)'
_diffrn_measurement_device_type  'Rigaku AFC-7S Mercury'
_diffrn_measurement_method       '\w '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0210
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            12945
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.95
_diffrn_reflns_theta_min         2.31
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.256
_exptl_absorpt_correction_T_max  0.950
_exptl_absorpt_correction_T_min  0.900
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Jacobson, 1998)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.272
_refine_ls_extinction_coef       0.013(2)
_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   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         2349
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0527
_refine_ls_R_factor_gt           0.0452
_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^)+(0.0616P)^2^+0.4929P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1178
_refine_ls_wR_factor_ref         0.1240
_reflns_number_gt                2065
_reflns_number_total             2349
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv2495.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/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 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1220.8(9)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2220471
_cod_database_fobs_code          2220471