##############################################################################
###                                                                        ###
###        Electronic paper (Acta Crystallographica Section E)             ###
###                                                                        ###
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#                                                                            #
# This CIF contains the data in a paper accepted for publication in Acta     #
# Crystallographica Section E. It conforms to the requirements of Notes      #
# for Authors for Section E, and has been peer reviewed under the auspices   #
# of the IUCr Commission on Journals.                                        #
#                                                                            #
# Full details of the Crystallographic Information File format               #
# are given in the paper "The Crystallographic Information File (CIF):       #
# a New Standard Archive File for Crystallography" by S. R. Hall, F. H.      #
# Allen and I. D. Brown [Acta Cryst. (1991), A47, 655-685].                  #
#                                                                            #
# The current version of the core CIF dictionary is obtainable from          #
# ftp://ftp.iucr.org/pub/cif_core.dic. The current version number is 2.1.    #
#                                                                            #
# Software is freely available for graphical display of the structure(s) in  #
# this CIF.  For information consult the CIF home page http://www.iucr.org/  #
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data_global
_audit_creation_method     'from SHELXL97 CIF and IUCr SHELXL97-template'
_journal_date_recd_electronic     2007-10-21
_journal_date_accepted     2007-10-21
_journal_name_full     'Acta Crystallographica, Section E'
_journal_year     2007
_journal_volume     63
_journal_issue     12
_journal_page_first     o4745
_journal_page_last     o4745
_journal_paper_category     QO
_journal_coeditor_code     HB2606
_publ_contact_author_name     ' Wang, Hai-bo'
_publ_contact_author_address
;
Department of Applied Chemistry
College of Science
Nanjing University of Technolgy
Xinmofan Road No.5 Nanjing
Nanjing 210009
People's Republic of China
;
_publ_contact_author_email     wanghaibo@njut.edu.cn
_publ_contact_author_fax     '86 25  83369345'
_publ_contact_author_phone     '86 25 83587440'
_publ_section_title
;\
2-(2-{3-[4-(Dimethylamino)phenyl]-1,2,4-oxadiazol-5-yl}phenoxy)-N-(2,6-\
dimethylphenyl)acetamide
;
loop_
    _publ_author_name
    _publ_author_address
    'Zeng, Hai-Su'
;
College of Science
Nanjing University of Technolgy
Xinmofan Road No. 5
Nanjing 210009
People's Republic of China
;
    'Wang, Hai-Bo'
;
Department of Applied Chemistry
College of Science
Nanjing University of Technolgy
Xinmofan Road No. 5
Nanjing 210009
People's Republic of China
;
    'Kang, Si-Shun'
;
Department of Applied Chemistry
College of Science
Nanjing University of Technolgy
Xinmofan Road No. 5
Nanjing 210009
People's Republic of China
;
    'Li, Hai-Lin'
;
College of Science
Nanjing University of Technolgy
Xinmofan Road No. 5
Nanjing 210009
People's Republic of China
;
data_I
_audit_creation_method     SHELXL-97
_chemical_name_systematic
;
2-(2-{3-[4-(Dimethylamino)phenyl]-1,2,4-oxadiazol-5-yl}phenoxy)-\
N-(2,6-dimethylphenyl)acetamide
;
_chemical_name_common     ?
_chemical_formula_moiety     'C26 H26 N4 O3'
_chemical_formula_sum     'C26 H26 N4 O3'
_chemical_formula_iupac     'C26 H26 N4 O3'
_chemical_formula_weight     442.51
_chemical_melting_point     ?
_symmetry_cell_setting     triclinic
_symmetry_space_group_name_H-M     'P -1'
_symmetry_space_group_name_Hall     '-P 1'
loop_
    _symmetry_equiv_pos_as_xyz
    'x, y, z'
    '-x, -y, -z'
_cell_length_a     8.9900(18)
_cell_length_b     9.0330(18)
_cell_length_c     15.445(3)
_cell_angle_alpha     83.01(3)
_cell_angle_beta     79.76(3)
_cell_angle_gamma     66.54(3)
_cell_volume     1130.4(4)
_cell_formula_units_Z     2
_cell_measurement_reflns_used     25
_cell_measurement_theta_min     9
_cell_measurement_theta_max     13
_cell_measurement_temperature     293(2)
_exptl_crystal_description     block
_exptl_crystal_colour     colorless
_exptl_crystal_size_max     0.30
_exptl_crystal_size_mid     0.20
_exptl_crystal_size_min     0.10
_exptl_crystal_density_diffrn     1.300
_exptl_crystal_density_meas     ?
_exptl_crystal_density_method     'not measured'
_exptl_crystal_F_000     468
_exptl_absorpt_coefficient_mu     0.087
_exptl_absorpt_correction_type     'psi-scan'
_exptl_absorpt_process_details     '(North et al.,  1968)'
_exptl_absorpt_correction_T_min     0.974
_exptl_absorpt_correction_T_max     0.991
_exptl_special_details
;
;
_diffrn_ambient_temperature     293(2)
_diffrn_radiation_type     MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_source     'fine-focus sealed tube'
_diffrn_radiation_monochromator     graphite
_diffrn_measurement_device_type     'Enraf--Nonius CAD-4'
_diffrn_measurement_method     ω/2θ
_diffrn_detector_area_resol_mean     ?
_diffrn_reflns_number     4419
_diffrn_reflns_av_R_equivalents     0.0000
_diffrn_reflns_av_sigmaI/netI     0.0394
_diffrn_reflns_theta_min     1.34
_diffrn_reflns_theta_max     25.97
_diffrn_reflns_theta_full     25.97
_diffrn_measured_fraction_theta_max     1.000
_diffrn_measured_fraction_theta_full     1.000
_diffrn_reflns_limit_h_min     -10
_diffrn_reflns_limit_h_max     11
_diffrn_reflns_limit_k_min     -10
_diffrn_reflns_limit_k_max     11
_diffrn_reflns_limit_l_min     0
_diffrn_reflns_limit_l_max     19
_diffrn_standards_number     3
_diffrn_standards_interval_count     200
_diffrn_standards_interval_time     2h
_diffrn_standards_decay_%     0
_refine_special_details
;
 Refinement of F² against ALL reflections.  The weighted R-factor wR and
 goodness of fit S are based on F², conventional R-factors R are based
 on F, with F set to zero for negative F². The threshold expression of
 F² > 2sigma(F²) is used only for calculating R-factors(gt) etc. and is
 not relevant to the choice of reflections for refinement.  R-factors based
 on F² are statistically about twice as large as those based on F, and R-
 factors based on ALL data will be even larger.
;
_reflns_number_total     4419
_reflns_number_gt     2692
_reflns_threshold_expression     I>2σ(I)
_refine_ls_structure_factor_coef     Fsqd
_refine_ls_matrix_type     full
_refine_ls_R_factor_all     0.1236
_refine_ls_R_factor_gt     0.0773
_refine_ls_wR_factor_gt     0.1447
_refine_ls_wR_factor_ref     0.1785
_refine_ls_goodness_of_fit_ref     1.032
_refine_ls_restrained_S_all     1.032
_refine_ls_number_reflns     4419
_refine_ls_number_parameters     293
_refine_ls_number_restraints     0
_refine_ls_hydrogen_treatment     constr
_refine_ls_weighting_scheme     calc
_refine_ls_weighting_details
               'calc w=1/[σ²(Fo²)+(0.018P)²+2P] where P=(Fo²+2Fc²)/3'
_atom_sites_solution_hydrogens     geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary     difmap
_refine_ls_shift/su_max     0.000
_refine_ls_shift/su_mean     0.000
_refine_diff_density_max     0.500
_refine_diff_density_min     -0.427
_refine_ls_extinction_method     none
_refine_ls_extinction_coef     ?
loop_
    _atom_type_symbol
    _atom_type_description
    _atom_type_scat_dispersion_real
    _atom_type_scat_dispersion_imag
    _atom_type_scat_source
    'C' 'C' 0.0033 0.0016
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'H' 'H' 0.0000 0.0000
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'N' 'N' 0.0061 0.0033
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
    'O' 'O' 0.0106 0.0060
                         'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
_computing_data_collection     'CAD-4 Software (Enraf--Nonius,1989)'
_computing_cell_refinement     'CAD-4 Software (Enraf--Nonius,1989)'
_computing_data_reduction     'XCAD4 (Harms & Wocadlo, 1995)'
_computing_structure_solution     'SHELXS97 (Sheldrick, 1997)'
_computing_structure_refinement     'SHELXL97 (Sheldrick, 1997)'
_computing_molecular_graphics     'SHELXTL (Siemens, 1996)'
_computing_publication_material     'SHELXS97 (Sheldrick, 1997)'
loop_
    _atom_site_type_symbol
    _atom_site_label
    _atom_site_fract_x
    _atom_site_fract_y
    _atom_site_fract_z
    _atom_site_U_iso_or_equiv
    _atom_site_adp_type
    _atom_site_calc_flag
    _atom_site_refinement_flags
    _atom_site_occupancy
    _atom_site_disorder_assembly
    _atom_site_disorder_group
    O O1 1.1192(3) 0.2794(3) 0.45197(18) 0.067 Uani d . 1 . .
    O O2 1.3415(3) 0.4254(4) 0.2256(2) 0.0914(11) Uani d . 1 . .
    O O3 1.2793(3) 0.6748(3) 0.03292(18) 0.0696(8) Uani d . 1 . .
    N N1 0.3072(4) 0.8914(5) 0.3050(3) 0.0988(14) Uani d . 1 . .
    N N2 0.9452(4) 0.3580(5) 0.4585(2) 0.0774(11) Uani d . 1 . .
    N N3 1.0722(4) 0.4657(4) 0.3431(2) 0.0581(8) Uani d . 1 . .
    N N4 1.1088(3) 0.6202(4) 0.1492(2) 0.0552(8) Uani d . 1 . .
    H H4A 1.1046 0.5840 0.2033 0.066 Uiso calc R 1 . .
    C C1 0.1610(5) 0.8702(7) 0.3466(4) 0.115(2) Uani d . 1 . .
    H H1A 0.1627 0.7702 0.3303 0.172 Uiso calc R 1 . .
    H H1B 0.0673 0.9582 0.3280 0.172 Uiso calc R 1 . .
    H H1C 0.1549 0.8678 0.4094 0.172 Uiso calc R 1 . .
    C C2 0.2944(6) 1.0093(6) 0.2336(3) 0.0933(16) Uani d . 1 . .
    H H2B 0.3948 1.0267 0.2196 0.140 Uiso calc R 1 . .
    H H2C 0.2057 1.1090 0.2500 0.140 Uiso calc R 1 . .
    H H2D 0.2740 0.9719 0.1831 0.140 Uiso calc R 1 . .
    C C3 0.4591(5) 0.7886(5) 0.3270(3) 0.0651(10) Uani d . 1 . .
    C C4 0.5996(5) 0.8191(5) 0.2957(3) 0.0720(12) Uani d . 1 . .
    H H4B 0.5927 0.9107 0.2592 0.086 Uiso calc R 1 . .
    C C5 0.7495(5) 0.7138(5) 0.3185(3) 0.0643(10) Uani d . 1 . .
    H H5A 0.8421 0.7366 0.2973 0.077 Uiso calc R 1 . .
    C C6 0.7651(4) 0.5774(5) 0.3714(2) 0.0558(9) Uani d . 1 . .
    C C7 0.6260(5) 0.5489(5) 0.4033(3) 0.0683(11) Uani d . 1 . .
    H H7A 0.6337 0.4577 0.4403 0.082 Uiso calc R 1 . .
    C C8 0.4748(5) 0.6523(5) 0.3816(3) 0.0707(11) Uani d . 1 . .
    H H8A 0.3826 0.6297 0.4042 0.085 Uiso calc R 1 . .
    C C9 0.9276(5) 0.4658(5) 0.3923(2) 0.0566(9) Uani d . 1 . .
    C C10 1.1844(5) 0.3506(5) 0.3835(2) 0.0577(9) Uani d . 1 . .
    C C11 1.3619(5) 0.2919(5) 0.3645(3) 0.0637(10) Uani d . 1 . .
    C C12 1.4409(5) 0.3316(5) 0.2846(3) 0.0679(11) Uani d . 1 . .
    C C13 1.6095(5) 0.2761(6) 0.2669(3) 0.0818(14) Uani d . 1 . .
    H H13A 1.6604 0.3045 0.2134 0.098 Uiso calc R 1 . .
    C C14 1.7009(5) 0.1783(6) 0.3296(3) 0.0862(14) Uani d . 1 . .
    H H14A 1.8146 0.1402 0.3183 0.103 Uiso calc R 1 . .
    C C15 1.6277(5) 0.1367(6) 0.4075(3) 0.0837(14) Uani d . 1 . .
    H H15A 1.6918 0.0700 0.4489 0.100 Uiso calc R 1 . .
    C C16 1.4578(5) 0.1921(5) 0.4267(3) 0.0696(11) Uani d . 1 . .
    H H16A 1.4087 0.1628 0.4806 0.084 Uiso calc R 1 . .
    C C17 1.4010(4) 0.5052(5) 0.1516(3) 0.0656(11) Uani d . 1 . .
    H H17A 1.4829 0.4271 0.1122 0.079 Uiso calc R 1 . .
    H H17B 1.4504 0.5719 0.1701 0.079 Uiso calc R 1 . .
    C C18 1.2550(4) 0.6091(5) 0.1056(2) 0.0556(9) Uani d . 1 . .
    C C19 0.9582(4) 0.6882(4) 0.1122(2) 0.0496(8) Uani d . 1 . .
    C C20 0.8857(4) 0.5827(4) 0.1007(2) 0.0550(9) Uani d . 1 . .
    C C21 0.7401(5) 0.6480(5) 0.0645(3) 0.0667(11) Uani d . 1 . .
    H H21A 0.6889 0.5809 0.0555 0.080 Uiso calc R 1 . .
    C C22 0.6711(5) 0.8103(6) 0.0420(3) 0.0760(13) Uani d . 1 . .
    H H22A 0.5747 0.8516 0.0171 0.091 Uiso calc R 1 . .
    C C23 0.7425(5) 0.9115(5) 0.0558(3) 0.0724(12) Uani d . 1 . .
    H H23A 0.6928 1.0213 0.0407 0.087 Uiso calc R 1 . .
    C C24 0.8885(4) 0.8547(4) 0.0920(2) 0.0554(9) Uani d . 1 . .
    C C25 0.9578(5) 0.9673(5) 0.1131(3) 0.0716(11) Uani d . 1 . .
    H H25A 0.8938 1.0752 0.0929 0.107 Uiso calc R 1 . .
    H H25B 1.0688 0.9365 0.0844 0.107 Uiso calc R 1 . .
    H H25C 0.9557 0.9632 0.1756 0.107 Uiso calc R 1 . .
    C C26 0.9577(5) 0.4057(5) 0.1276(3) 0.0721(12) Uani d . 1 . .
    H H26A 1.0581 0.3811 0.1503 0.108 Uiso calc R 1 . .
    H H26B 0.9792 0.3434 0.0774 0.108 Uiso calc R 1 . .
    H H26C 0.8817 0.3794 0.1723 0.108 Uiso calc R 1 . .
_geom_special_details
;
 All esds (except the esd in the dihedral angle between two l.s. planes)
 are estimated using the full covariance matrix.  The cell esds are taken
 into account individually in the estimation of esds in distances, angles
 and torsion angles; correlations between esds in cell parameters are only
 used when they are defined by crystal symmetry.  An approximate (isotropic)
 treatment of cell esds is used for estimating esds involving l.s. planes.
;
loop_
    _geom_bond_atom_site_label_1
    _geom_bond_atom_site_label_2
    _geom_bond_site_symmetry_2
    _geom_bond_distance
    _geom_bond_publ_flag
    O1 C10 . 1.338(4) ?
    O1 N2 . 1.427(4) ?
    O2 C12 . 1.358(4) ?
    O2 C17 . 1.415(4) ?
    O3 C18 . 1.230(4) ?
    N1 C3 . 1.387(5) ?
    N1 C2 . 1.423(6) ?
    N1 C1 . 1.431(6) ?
    N2 C9 . 1.308(5) ?
    N3 C10 . 1.312(4) ?
    N3 C9 . 1.384(5) ?
    N4 C18 . 1.338(4) ?
    N4 C19 . 1.437(4) ?
    N4 H4A . 0.8600 ?
    C1 H1A . 0.9600 ?
    C1 H1B . 0.9600 ?
    C1 H1C . 0.9600 ?
    C2 H2B . 0.9600 ?
    C2 H2C . 0.9600 ?
    C2 H2D . 0.9600 ?
    C3 C8 . 1.378(6) ?
    C3 C4 . 1.390(5) ?
    C4 C5 . 1.383(5) ?
    C4 H4B . 0.9300 ?
    C5 C6 . 1.365(5) ?
    C5 H5A . 0.9300 ?
    C6 C7 . 1.371(5) ?
    C6 C9 . 1.473(5) ?
    C7 C8 . 1.381(5) ?
    C7 H7A . 0.9300 ?
    C8 H8A . 0.9300 ?
    C10 C11 . 1.453(5) ?
    C11 C12 . 1.392(5) ?
    C11 C16 . 1.395(5) ?
    C12 C13 . 1.380(5) ?
    C13 C14 . 1.376(6) ?
    C13 H13A . 0.9300 ?
    C14 C15 . 1.352(6) ?
    C14 H14A . 0.9300 ?
    C15 C16 . 1.391(6) ?
    C15 H15A . 0.9300 ?
    C16 H16A . 0.9300 ?
    C17 C18 . 1.516(5) ?
    C17 H17A . 0.9700 ?
    C17 H17B . 0.9700 ?
    C19 C20 . 1.393(5) ?
    C19 C24 . 1.399(5) ?
    C20 C21 . 1.392(5) ?
    C20 C26 . 1.503(5) ?
    C21 C22 . 1.372(6) ?
    C21 H21A . 0.9300 ?
    C22 C23 . 1.362(6) ?
    C22 H22A . 0.9300 ?
    C23 C24 . 1.398(5) ?
    C23 H23A . 0.9300 ?
    C24 C25 . 1.478(5) ?
    C25 H25A . 0.9600 ?
    C25 H25B . 0.9600 ?
    C25 H25C . 0.9600 ?
    C26 H26A . 0.9600 ?
    C26 H26B . 0.9600 ?
    C26 H26C . 0.9600 ?
loop_
    _geom_angle_atom_site_label_1
    _geom_angle_atom_site_label_2
    _geom_angle_atom_site_label_3
    _geom_angle_site_symmetry_1
    _geom_angle_site_symmetry_3
    _geom_angle
    _geom_angle_publ_flag
    C10 O1 N2 . . 107.7(3) ?
    C12 O2 C17 . . 121.2(3) ?
    C3 N1 C2 . . 120.6(4) ?
    C3 N1 C1 . . 121.0(4) ?
    C2 N1 C1 . . 118.0(4) ?
    C9 N2 O1 . . 102.0(3) ?
    C10 N3 C9 . . 102.8(3) ?
    C18 N4 C19 . . 124.7(3) ?
    C18 N4 H4A . . 117.6 ?
    C19 N4 H4A . . 117.6 ?
    N1 C1 H1A . . 109.5 ?
    N1 C1 H1B . . 109.5 ?
    H1A C1 H1B . . 109.5 ?
    N1 C1 H1C . . 109.5 ?
    H1A C1 H1C . . 109.5 ?
    H1B C1 H1C . . 109.5 ?
    N1 C2 H2B . . 109.5 ?
    N1 C2 H2C . . 109.5 ?
    H2B C2 H2C . . 109.5 ?
    N1 C2 H2D . . 109.5 ?
    H2B C2 H2D . . 109.5 ?
    H2C C2 H2D . . 109.5 ?
    C8 C3 N1 . . 120.5(4) ?
    C8 C3 C4 . . 117.8(4) ?
    N1 C3 C4 . . 121.7(4) ?
    C5 C4 C3 . . 120.3(4) ?
    C5 C4 H4B . . 119.8 ?
    C3 C4 H4B . . 119.8 ?
    C6 C5 C4 . . 121.7(4) ?
    C6 C5 H5A . . 119.2 ?
    C4 C5 H5A . . 119.2 ?
    C5 C6 C7 . . 117.9(4) ?
    C5 C6 C9 . . 120.1(4) ?
    C7 C6 C9 . . 122.0(4) ?
    C6 C7 C8 . . 121.6(4) ?
    C6 C7 H7A . . 119.2 ?
    C8 C7 H7A . . 119.2 ?
    C3 C8 C7 . . 120.7(4) ?
    C3 C8 H8A . . 119.6 ?
    C7 C8 H8A . . 119.6 ?
    N2 C9 N3 . . 115.2(3) ?
    N2 C9 C6 . . 122.1(3) ?
    N3 C9 C6 . . 122.7(3) ?
    N3 C10 O1 . . 112.2(3) ?
    N3 C10 C11 . . 130.0(3) ?
    O1 C10 C11 . . 117.7(3) ?
    C12 C11 C16 . . 118.3(4) ?
    C12 C11 C10 . . 121.7(3) ?
    C16 C11 C10 . . 120.0(4) ?
    O2 C12 C13 . . 122.8(4) ?
    O2 C12 C11 . . 115.7(3) ?
    C13 C12 C11 . . 121.5(4) ?
    C14 C13 C12 . . 118.9(5) ?
    C14 C13 H13A . . 120.5 ?
    C12 C13 H13A . . 120.5 ?
    C15 C14 C13 . . 120.8(4) ?
    C15 C14 H14A . . 119.6 ?
    C13 C14 H14A . . 119.6 ?
    C14 C15 C16 . . 121.1(4) ?
    C14 C15 H15A . . 119.5 ?
    C16 C15 H15A . . 119.5 ?
    C15 C16 C11 . . 119.4(4) ?
    C15 C16 H16A . . 120.3 ?
    C11 C16 H16A . . 120.3 ?
    O2 C17 C18 . . 106.7(3) ?
    O2 C17 H17A . . 110.4 ?
    C18 C17 H17A . . 110.4 ?
    O2 C17 H17B . . 110.4 ?
    C18 C17 H17B . . 110.4 ?
    H17A C17 H17B . . 108.6 ?
    O3 C18 N4 . . 125.8(3) ?
    O3 C18 C17 . . 118.6(3) ?
    N4 C18 C17 . . 115.5(3) ?
    C20 C19 C24 . . 123.0(3) ?
    C20 C19 N4 . . 117.2(3) ?
    C24 C19 N4 . . 119.7(3) ?
    C21 C20 C19 . . 117.4(3) ?
    C21 C20 C26 . . 120.4(4) ?
    C19 C20 C26 . . 122.2(3) ?
    C22 C21 C20 . . 120.8(4) ?
    C22 C21 H21A . . 119.6 ?
    C20 C21 H21A . . 119.6 ?
    C23 C22 C21 . . 120.7(4) ?
    C23 C22 H22A . . 119.7 ?
    C21 C22 H22A . . 119.7 ?
    C22 C23 C24 . . 121.7(4) ?
    C22 C23 H23A . . 119.1 ?
    C24 C23 H23A . . 119.1 ?
    C23 C24 C19 . . 116.3(4) ?
    C23 C24 C25 . . 121.1(4) ?
    C19 C24 C25 . . 122.4(3) ?
    C24 C25 H25A . . 109.5 ?
    C24 C25 H25B . . 109.5 ?
    H25A C25 H25B . . 109.5 ?
    C24 C25 H25C . . 109.5 ?
    H25A C25 H25C . . 109.5 ?
    H25B C25 H25C . . 109.5 ?
    C20 C26 H26A . . 109.5 ?
    C20 C26 H26B . . 109.5 ?
    H26A C26 H26B . . 109.5 ?
    C20 C26 H26C . . 109.5 ?
    H26A C26 H26C . . 109.5 ?
    H26B C26 H26C . . 109.5 ?
loop_
    _geom_torsion_atom_site_label_1
    _geom_torsion_atom_site_label_2
    _geom_torsion_atom_site_label_3
    _geom_torsion_atom_site_label_4
    _geom_torsion_site_symmetry_1
    _geom_torsion_site_symmetry_2
    _geom_torsion_site_symmetry_3
    _geom_torsion_site_symmetry_4
    _geom_torsion
    _geom_torsion_publ_flag
    C10 O1 N2 C9 . . . . 0.6(4) ?
    C2 N1 C3 C8 . . . . -165.1(5) ?
    C1 N1 C3 C8 . . . . 7.8(7) ?
    C2 N1 C3 C4 . . . . 15.3(7) ?
    C1 N1 C3 C4 . . . . -171.8(5) ?
    C8 C3 C4 C5 . . . . 0.7(6) ?
    N1 C3 C4 C5 . . . . -179.7(4) ?
    C3 C4 C5 C6 . . . . 0.5(7) ?
    C4 C5 C6 C7 . . . . -1.4(6) ?
    C4 C5 C6 C9 . . . . 178.3(4) ?
    C5 C6 C7 C8 . . . . 1.2(6) ?
    C9 C6 C7 C8 . . . . -178.5(4) ?
    N1 C3 C8 C7 . . . . 179.5(4) ?
    C4 C3 C8 C7 . . . . -0.9(6) ?
    C6 C7 C8 C3 . . . . -0.1(7) ?
    O1 N2 C9 N3 . . . . 0.1(5) ?
    O1 N2 C9 C6 . . . . 179.3(3) ?
    C10 N3 C9 N2 . . . . -0.8(5) ?
    C10 N3 C9 C6 . . . . -180.0(4) ?
    C5 C6 C9 N2 . . . . 162.5(4) ?
    C7 C6 C9 N2 . . . . -17.8(6) ?
    C5 C6 C9 N3 . . . . -18.4(6) ?
    C7 C6 C9 N3 . . . . 161.3(4) ?
    C9 N3 C10 O1 . . . . 1.2(4) ?
    C9 N3 C10 C11 . . . . -179.2(4) ?
    N2 O1 C10 N3 . . . . -1.2(4) ?
    N2 O1 C10 C11 . . . . 179.1(3) ?
    N3 C10 C11 C12 . . . . -14.3(7) ?
    O1 C10 C11 C12 . . . . 165.3(4) ?
    N3 C10 C11 C16 . . . . 166.3(4) ?
    O1 C10 C11 C16 . . . . -14.1(6) ?
    C17 O2 C12 C13 . . . . -16.0(7) ?
    C17 O2 C12 C11 . . . . 165.0(4) ?
    C16 C11 C12 O2 . . . . 178.2(4) ?
    C10 C11 C12 O2 . . . . -1.2(6) ?
    C16 C11 C12 C13 . . . . -0.8(7) ?
    C10 C11 C12 C13 . . . . 179.8(4) ?
    O2 C12 C13 C14 . . . . -178.3(5) ?
    C11 C12 C13 C14 . . . . 0.6(7) ?
    C12 C13 C14 C15 . . . . 0.0(8) ?
    C13 C14 C15 C16 . . . . -0.3(8) ?
    C14 C15 C16 C11 . . . . 0.1(7) ?
    C12 C11 C16 C15 . . . . 0.4(6) ?
    C10 C11 C16 C15 . . . . 179.9(4) ?
    C12 O2 C17 C18 . . . . -175.1(4) ?
    C19 N4 C18 O3 . . . . 11.1(6) ?
    C19 N4 C18 C17 . . . . -168.8(3) ?
    O2 C17 C18 O3 . . . . -171.0(4) ?
    O2 C17 C18 N4 . . . . 8.9(5) ?
    C18 N4 C19 C20 . . . . 112.1(4) ?
    C18 N4 C19 C24 . . . . -69.8(5) ?
    C24 C19 C20 C21 . . . . 2.2(5) ?
    N4 C19 C20 C21 . . . . -179.8(3) ?
    C24 C19 C20 C26 . . . . -176.4(4) ?
    N4 C19 C20 C26 . . . . 1.6(5) ?
    C19 C20 C21 C22 . . . . -0.5(6) ?
    C26 C20 C21 C22 . . . . 178.2(4) ?
    C20 C21 C22 C23 . . . . -1.0(7) ?
    C21 C22 C23 C24 . . . . 0.8(7) ?
    C22 C23 C24 C19 . . . . 0.8(6) ?
    C22 C23 C24 C25 . . . . -175.1(4) ?
    C20 C19 C24 C23 . . . . -2.4(5) ?
    N4 C19 C24 C23 . . . . 179.7(3) ?
    C20 C19 C24 C25 . . . . 173.5(4) ?
    N4 C19 C24 C25 . . . . -4.4(5) ?
loop_
    _geom_hbond_atom_site_label_D
    _geom_hbond_atom_site_label_H
    _geom_hbond_atom_site_label_A
    _geom_hbond_site_symmetry_A
    _geom_hbond_distance_DH
    _geom_hbond_distance_HA
    _geom_hbond_distance_DA
    _geom_hbond_angle_DHA
    N4 H4A O2 . 0.86 2.10 2.513(4) 109
    N4 H4A N3 . 0.86 2.32 3.170(4) 171
