14-Methoxy-4,6-dimethyl-9-phenyl-8,12-dioxa-4,6-diazatetracyclo[8.8.0.0^2,7^.0^13,18^]octadeca-2(7),13,15,17-tetraene-3,5,11-trione
Jagadeesan, G.; Jayashree, S.; Kannan, D.; Bakthadoss, M.; Aravindhan, S.; Acta Crystallographica Section E 69 (2013) o1199–o1200; doi:10.1107/S1600536813017789

data_2238317
_publ_section_title
;
 14-Methoxy-4,6-dimethyl-9-phenyl-8,12-dioxa-4,6-diazatetracyclo[8.8.0.0^2,7^.0^13,18^]octadeca-2(7),13,15,17-tetraene-3,5,11-trione
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_journal_coeditor_code           BT6915
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1199
_journal_page_last               o1200
_journal_paper_doi               10.1107/S1600536813017789
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C23 H20 N2 O6'
_chemical_formula_moiety         'C23 H20 N2 O6'
_chemical_formula_sum            'C23 H20 N2 O6'
_chemical_formula_weight         420.41
_chemical_name_systematic
14-Methoxy-4,6-dimethyl-9-phenyl-8,12-dioxa-4,6-diazatetracyclo[8.8.0.0^2,7^.0^13,18^]octadeca-2(7),13,15,17-tetraene-3,5,11-trione
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.869(2)
_cell_angle_beta                 102.547(2)
_cell_angle_gamma                105.270(2)
_cell_formula_units_Z            4
_cell_length_a                   9.2283(7)
_cell_length_b                   14.0584(10)
_cell_length_c                   16.4457(13)
_cell_measurement_reflns_used    8834
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31.20
_cell_measurement_theta_min      2.05
_cell_volume                     1986.1(3)
_computing_cell_refinement       'APEX2 and SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT and XPREP (Bruker, 2004)'
_computing_molecular_graphics    '<i>ORTEP-3 for Windows</i> (Farrugia, 2012)'
_computing_publication_material  '<i>PLATON</i> (Spek, 2009)'
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       '\w and \f scan'
_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  0.0288
_diffrn_reflns_av_sigmaI/netI    0.0261
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            36657
_diffrn_reflns_theta_full        25.74
_diffrn_reflns_theta_max         25.74
_diffrn_reflns_theta_min         1.28
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  0.9831
_exptl_absorpt_correction_T_min  0.9790
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.178
_refine_ls_extinction_coef       0.0041(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     '<i>SHELXL97</i> (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     588
_refine_ls_number_reflns         7558
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0470
_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^)+(0.0528P)^2^+1.2155P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1299
_refine_ls_wR_factor_ref         0.1410
_reflns_number_gt                5648
_reflns_number_total             7558
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            bt6915.cif
_cod_data_source_block           I
_cod_database_code               2238317
_cod_database_fobs_code          2238317