6-Methyl-1-({[(2<i>E</i>)-2-methyl-3-phenylprop-2-en-1-yl]oxy}methyl)-1,2,3,4-tetrahydroquinazoline-2,4-dione
El-Brollosy, Nasser R.; Attia, Mohamed I.; El-Emam, Ali A.; Ng, Seik Weng; Tiekink, Edward R. T.; Acta Crystallographica Section E 68 (2012) o1768–o1769; doi:10.1107/S1600536812020429

data_2235071
_publ_section_title
;
 6-Methyl-1-({[(2<i>E</i>)-2-methyl-3-phenylprop-2-en-1-yl]oxy}methyl)-1,2,3,4-tetrahydroquinazoline-2,4-dione
;
_journal_coeditor_code           HG5224
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1768
_journal_page_last               o1769
_journal_paper_doi               10.1107/S1600536812020429
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C20 H20 N2 O3'
_chemical_formula_moiety         'C20 H20 N2 O3'
_chemical_formula_sum            'C20 H20 N2 O3'
_chemical_formula_weight         336.38
_chemical_name_systematic
;
6-Methyl-1-({[(2<i>E</i>)-2-methyl-3-phenylprop-2-en-1-yl]oxy}methyl)-
1,2,3,4-tetrahydroquinazoline-2,4-dione
;
_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                 102.606(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.2352(8)
_cell_length_b                   13.6934(6)
_cell_length_c                   7.8900(4)
_cell_measurement_reflns_used    4710
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5015
_cell_measurement_theta_min      2.5659
_cell_volume                     1711.78(15)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2011)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2011)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2011)'
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, 1997) and DIAMOND (Brandenburg, 2006)
;
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4041
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
'Agilent SuperNova Dual diffractometer with an Atlas detector'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  Mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0479
_diffrn_reflns_av_sigmaI/netI    0.0459
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            13993
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         2.57
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.52183
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Agilent, 2011)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.283
_refine_diff_density_min         -0.250
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         3965
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0644
_refine_ls_R_factor_gt           0.0463
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0571P)^2^+0.6389P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1149
_refine_ls_wR_factor_ref         0.1286
_reflns_number_gt                3067
_reflns_number_total             3965
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg5224.cif
_cod_data_source_block           I
_cod_original_cell_volume        1711.78(14)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2235071
_cod_database_fobs_code          2235071