1,3-Diallyl-1<i>H</i>-anthra[1,2-<i>d</i>]imidazole-2,6,11(3<i>H</i>)-trione
Afrakssou, Zahra; Rodi, Youssef Kandri; Zouihri, Hafid; Essassi, El Mokhtar; Ng, Seik Weng; Acta Crystallographica Section E 66 (2010) o1851–; doi:10.1107/S1600536810024748

data_2226386
_publ_section_title
;
 1,3-Diallyl-1<i>H</i>-anthra[1,2-<i>d</i>]imidazole-2,6,11(3<i>H</i>)-trione
;
_journal_coeditor_code           CI5112
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1851
_journal_paper_doi               10.1107/S1600536810024748
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C21 H16 N2 O3'
_chemical_formula_moiety         'C21 H16 N2 O3'
_chemical_formula_sum            'C21 H16 N2 O3'
_chemical_formula_weight         344.36
_chemical_name_systematic
;
1,3-Diallyl-1<i>H</i>-anthra[1,2-<i>d</i>]imidazole-2,6,11(3<i>H</i>)-trione
;
_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                 93.5370(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.8539(2)
_cell_length_b                   11.5822(3)
_cell_length_c                   18.1455(4)
_cell_measurement_reflns_used    4815
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.4
_cell_measurement_theta_min      2.2
_cell_volume                     1647.47(7)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker X8 APEXII area-detector'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0388
_diffrn_reflns_av_sigmaI/netI    0.0341
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            22612
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         2.09
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.221
_refine_ls_extinction_coef       0.0033(11)
_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   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         4805
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0833
_refine_ls_R_factor_gt           0.0485
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0755P)^2^+0.2066P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1290
_refine_ls_wR_factor_ref         0.1534
_reflns_number_gt                3053
_reflns_number_total             4806
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci5112.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2226386
_cod_database_fobs_code          2226386