1,3-Dibenzyl-1<i>H</i>-anthra[1,2-<i>d</i>]imidazole-2,6,11(3<i>H</i>)-trione
Afrakssou, Zahra; Kandri Rodi, Youssef; Capet, Frédéric; Essassi, El Mokhtar; El Ammari, Lahcen; Acta Crystallographica Section E 67 (2011) o1253–o1254; doi:10.1107/S1600536811015078

data_2229968
_publ_section_title
;
 1,3-Dibenzyl-1<i>H</i>-anthra[1,2-<i>d</i>]imidazole-2,6,11(3<i>H</i>)-trione
;
_journal_coeditor_code           DN2679
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1253
_journal_page_last               o1254
_journal_paper_doi               10.1107/S1600536811015078
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C29 H20 N2 O3'
_chemical_formula_moiety         'C29 H20 N2 O3'
_chemical_formula_sum            'C29 H20 N2 O3'
_chemical_formula_weight         444.47
_chemical_name_systematic
;
1,3-Dibenzyl-1<i>H</i>-anthra[1,2-<i>d</i>]imidazole-2,6,11(3<i>H</i>)-trione
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   8.1389(3)
_cell_length_b                   12.8748(4)
_cell_length_c                   21.5528(8)
_cell_measurement_reflns_used    2629
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.40
_cell_measurement_theta_min      2.46
_cell_volume                     2258.45(14)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics
'ORTEPIII (Burnett & Johnson, 1996) and ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0467
_diffrn_reflns_av_sigmaI/netI    0.0195
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            36228
_diffrn_reflns_theta_full        26.40
_diffrn_reflns_theta_max         26.40
_diffrn_reflns_theta_min         2.46
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.987
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2009)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.307
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       flat
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.226
_refine_diff_density_min         -0.177
_refine_ls_extinction_coef       0.0123(15)
_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   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         2629
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0541
_refine_ls_R_factor_gt           0.0394
_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^)+(0.0603P)^2^+0.2421P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0981
_refine_ls_wR_factor_ref         0.1084
_reflns_number_gt                2137
_reflns_number_total             2629
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn2679.cif
_cod_data_source_block           I
_cod_database_code               2229968
_cod_database_fobs_code          2229968