3-Benzyl-5,5-diphenylimidazolidine-2,4-dione
Guerrab, Walid; Akrad, Rachida; Ansar, Mhammed; Taoufik, Jamal; Mague, Joel T.; Ramli, Youssef; IUCrData 3 (2018) x171832–; doi:10.1107/S2414314617018326

data_1548674
_publ_section_title
;
 3-Benzyl-5,5-diphenylimidazolidine-2,4-dione
;
_journal_coeditor_code           VM4031
_journal_issue                   1
_journal_name_full               IUCrData
_journal_page_first              x171832
_journal_paper_doi               10.1107/S2414314617018326
_journal_volume                  3
_journal_year                    2018
_chemical_formula_iupac          'C22 H18 N2 O2'
_chemical_formula_moiety         'C22 H18 N2 O2'
_chemical_formula_sum            'C22 H18 N2 O2'
_chemical_formula_weight         342.38
_chemical_name_systematic
;
3-Benzyl-5,5-diphenylimidazolidine-2,4-dione
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                67.9000(10)
_cell_angle_beta                 81.0270(10)
_cell_angle_gamma                74.2940(10)
_cell_formula_units_Z            4
_cell_length_a                   8.8897(5)
_cell_length_b                   13.2911(7)
_cell_length_c                   16.6864(9)
_cell_measurement_reflns_used    9954
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.2020
_cell_measurement_theta_min      2.3843
_cell_volume                     1755.27(17)
_computing_cell_refinement
;
<i>SAINT</i> (Bruker, 2016)
;
_computing_data_collection
;
<i>APEX3</i> (Bruker, 2016)
;
_computing_data_reduction
;
<i>SAINT</i> (Bruker, 2016)
;
_computing_molecular_graphics
;
<i>DIAMOND</i> (Brandenburg & Putz, 2012)
;
_computing_publication_material
;
<i>SHELXTL</i> (Sheldrick, 2008)
;
_computing_structure_refinement
;
<i>SHELXL2016</i> (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
<i>SHELXT</i> (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0347
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            34377
_diffrn_reflns_theta_full        28.500
_diffrn_reflns_theta_max         29.340
_diffrn_reflns_theta_min         1.700
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.90
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(<i>SADABS</i>; Bruker, 2016)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.372
_exptl_crystal_size_mid          0.213
_exptl_crystal_size_min          0.185
_refine_diff_density_max         0.426
_refine_diff_density_min         -0.204
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     613
_refine_ls_number_reflns         9388
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0613
_refine_ls_R_factor_gt           0.0469
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0832P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1224
_refine_ls_wR_factor_ref         0.1293
_reflns_number_gt                7122
_reflns_number_total             9388
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            vm4031sup1.cif
_cod_data_source_block           I
_cod_database_code               1548674
_cod_database_fobs_code          1548674
_shelx_estimated_absorpt_t_min   0.969
_shelx_estimated_absorpt_t_max   0.985
_shelx_hkl_checksum              56890
_shelx_res_checksum              84540