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COMMUNICATIONS

Volume 70 | Part 9 | September 2014 | Pages 1047–1048
https://doi.org/10.1107/S1600536814018789
Open open access

access

ISSN: 2056-9890

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CRYSTALLOGRAPHIC
COMMUNICATIONS

Volume 70 | Part 9 | September 2014 | Pages 1047–1048
https://doi.org/10.1107/S1600536814018789
Open open access

access

ISSN: 2056-9890

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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 Acta Crystallographica 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.                                       #
#                                                                            #
# Software is freely available for graphical display of the structure(s)     #
# in this CIF. For information consult the CIF software page                 #
# http://www.iucr.org/resources/cif/software.                                #
#                                                                            #
# This file may be used for bona fide research purposes within the           #
# scientific community so long as proper attribution is given to the journal # 
# article from which it was obtained.                                        #
#                                                                            #
##############################################################################
data_global
_audit_creation_method     SHELXL-2014
_journal_date_recd_electronic     2014-08-17
_journal_date_accepted     2014-08-18
_journal_name_full     'Acta Crystallographica, Section E'
_journal_year     2014
_journal_volume     70
_journal_issue      9
_journal_page_first     o1047
_journal_page_last     o1048
_journal_paper_category     HO
_journal_paper_doi     10.1107/S1600536814018789
_journal_coeditor_code     SU2774
_publ_contact_author_name     'Dr G. Lyubartseva'
_publ_contact_author_address
;
Department of Biochemistry and Chemistry
Southern Arkansas University
Magnolia AR 71753
USA
;
_publ_contact_author_email     'GannaLyubartseva@saumag.edu'
_publ_contact_author_fax     '870 235 4936'
_publ_contact_author_phone     '870 235 4279'

loop_
    _publ_author_name
    _publ_author_address
    'Ganna Lyubartseva'
;
Department of Biochemistry and Chemistry
Southern Arkansas University
Magnolia
AR 71753
USA
;
    'Parkin, Sean'
;
Department of Chemistry
University of Kentucky
Lexington
KY 40506
USA
;
    'Coleman, Morgan D.'
;
Department of Biochemistry and Chemistry
Southern Arkansas University
Magnolia
AR 71753
USA
;
    'Mallik, Uma Prasad'
;
Department of Biochemistry and Chemistry
Southern Arkansas University
Magnolia
AR 71753
USA
;

data_I
_database_code_depnum_ccdc_archive 'CCDC 1019968'
_audit_creation_method     SHELXL-2014
_chemical_name_systematic
;
1-Methoxy-2,2,2-tris(pyrazol-1-yl)ethane
;
_chemical_name_common     ?
_chemical_formula_moiety     'C12 H14 N6 O'
_chemical_formula_sum     'C12 H14 N6 O'
_chemical_formula_iupac     'C12 H14 N6 O'
_chemical_formula_weight     258.29
_chemical_melting_point     ?

_space_group_crystal_system monoclinic
_space_group_name_H-M_alt 'C c'
_space_group_name_Hall 'C -2yc'
loop_
 _space_group_symop_operation_xyz
 'x, y, z'
 'x, -y, z+1/2'
 'x+1/2, y+1/2, z'
 'x+1/2, -y+1/2, z+1/2'
_cell_length_a 12.5828(3)
_cell_length_b 12.3847(3)
_cell_length_c 8.4807(2)
_cell_angle_alpha 90
_cell_angle_beta 102.5635(11)
_cell_angle_gamma 90
_cell_volume 1289.94(5)
_cell_formula_units_Z 4
_cell_measurement_reflns_used 1549
_cell_measurement_theta_min 1.00
_cell_measurement_theta_max 27.48
_cell_measurement_temperature 90.0(2)
_exptl_crystal_description 'block'
_exptl_crystal_colour colourless
_exptl_crystal_size_max 0.280
_exptl_crystal_size_mid 0.200
_exptl_crystal_size_min 0.160
_exptl_crystal_density_diffrn 1.330
_exptl_crystal_density_meas ?
_exptl_crystal_density_method ?
_exptl_crystal_F_000 544
_exptl_absorpt_coefficient_mu 0.092
_exptl_absorpt_correction_type multi-scan
_exptl_absorpt_process_details '(SADABS; Sheldrick, 1996)'

_exptl_absorpt_correction_T_min 0.749
_exptl_absorpt_correction_T_max 0.942
_exptl_special_details
;
The crystal was mounted with polyisobutene oil on the tip of a fine glass fibre,
which was fastened in a copper mounting pin with electrical solder. It was
placed directly into the cold gas stream of a liquid nitrogen based cryostat,
according to published methods (Hope, 1994; Parkin & Hope, 1998).
Diffraction data were collected with the crystal at 90 K, which is standard
practice in this laboratory for the majority of flash-cooled crystals.
;
_diffrn_ambient_temperature 90
_diffrn_radiation_type MoK\a
_diffrn_radiation_wavelength 0.71073
_diffrn_measurement_device_type 'Nonius KappaCCD'
_diffrn_measurement_method '\f and \w scans at fixed \c = 55\%'
_diffrn_detector_area_resol_mean 9.1
_diffrn_reflns_number 11397
_diffrn_reflns_av_R_equivalents 0.0319
_diffrn_reflns_theta_min 2.335
_diffrn_reflns_theta_max 27.479
_diffrn_reflns_theta_full 25.242
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_reflns_limit_h_min -16
_diffrn_reflns_limit_h_max 16
_diffrn_reflns_limit_k_min -16
_diffrn_reflns_limit_k_max 16
_diffrn_reflns_limit_l_min -10
_diffrn_reflns_limit_l_max 11
_refine_special_details
;
Refinement progress was checked using PLATON (Spek, 2009) and by an
R-tensor (Parkin, 2000). The final model was further checked with the
IUCr utility checkCIF.
;
_reflns_number_total 2934
_reflns_number_gt 2386
_reflns_threshold_expression I>2\s(I)
_refine_ls_structure_factor_coef Fsqd
_refine_ls_matrix_type full
_refine_ls_R_factor_all 0.0581
_refine_ls_R_factor_gt 0.0419
_refine_ls_wR_factor_gt 0.0932
_refine_ls_wR_factor_ref 0.1024
_refine_ls_goodness_of_fit_ref 1.103
_refine_ls_restrained_S_all 1.102
_refine_ls_number_reflns 2934
_refine_ls_number_parameters 174
_refine_ls_number_restraints 2
_refine_ls_hydrogen_treatment constr
_refine_ls_weighting_scheme calc
_refine_ls_weighting_details
 'w=1/[\s^2^(Fo^2^)+(0.0453P)^2^+0.5917P] where P=(Fo^2^+2Fc^2^)/3'
_atom_sites_solution_hydrogens difmap
_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 0.232
_refine_diff_density_min -0.178
_refine_ls_extinction_method 'SHELXL2014 (Sheldrick, 2008)'
_refine_ls_extinction_coef 0.0127(19)
_refine_ls_extinction_expression
 'Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^'
_refine_ls_abs_structure_details
;
Refined as a perfect (i.e. 50:50) inversion twin.
;
_refine_ls_abs_structure_Flack .
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 'COLLECT (Nonius, 1998)'
_computing_cell_refinement 'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_reduction 'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_structure_solution 'SHELXS97 (Sheldrick, 2008)'
_computing_structure_refinement 'SHELXL2014 (Sheldrick, 2008)'
_computing_molecular_graphics 'XP in SHELXTL (Sheldrick, 2008)'
_computing_publication_material
 'SHELXL2014 (Sheldrick, 2008) and PLATON (Spek, 2009)'
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_occupancy
 _atom_site_disorder_assembly
 _atom_site_disorder_group
 O O1 0.34875(17) 0.16856(16) 0.5089(3) 0.0305(5) Uani d 1 . .
 N N1 0.62903(19) 0.25690(19) 0.5191(3) 0.0229(5) Uani d 1 . .
 N N2 0.6299(2) 0.2508(2) 0.3598(3) 0.0291(6) Uani d 1 . .
 N N3 0.4892(2) 0.35743(18) 0.5996(3) 0.0255(6) Uani d 1 . .
 N N4 0.5617(2) 0.4320(2) 0.6770(4) 0.0378(7) Uani d 1 . .
 N N5 0.5520(2) 0.1924(2) 0.7270(3) 0.0236(5) Uani d 1 . .
 N N6 0.5898(2) 0.0891(2) 0.7266(3) 0.0296(6) Uani d 1 . .
 C C1 0.5280(2) 0.2497(2) 0.5740(3) 0.0212(6) Uani d 1 . .
 C C2 0.7343(3) 0.2658(3) 0.3557(4) 0.0336(7) Uani d 1 . .
 H H2A 0.7610 0.2658 0.2591 0.040 Uiso calc 1 . .
 C C3 0.8001(2) 0.2816(2) 0.5100(4) 0.0318(7) Uani d 1 . .
 H H3A 0.8765 0.2933 0.5376 0.038 Uiso calc 1 . .
 C C4 0.7295(3) 0.2762(2) 0.6118(4) 0.0303(7) Uani d 1 . .
 H H4A 0.7475 0.2845 0.7259 0.036 Uiso calc 1 . .
 C C5 0.5010(3) 0.5170(3) 0.6921(5) 0.0426(9) Uani d 1 . .
 H H5A 0.5290 0.5831 0.7406 0.051 Uiso calc 1 . .
 C C6 0.3900(3) 0.4977(3) 0.6277(5) 0.0394(8) Uani d 1 . .
 H H6A 0.3311 0.5461 0.6252 0.047 Uiso calc 1 . .
 C C7 0.3848(3) 0.3954(3) 0.5699(4) 0.0307(7) Uani d 1 . .
 H H7A 0.3210 0.3574 0.5187 0.037 Uiso calc 1 . .
 C C8 0.6077(3) 0.0592(3) 0.8804(4) 0.0330(7) Uani d 1 . .
 H H8A 0.6344 -0.0098 0.9187 0.040 Uiso calc 1 . .
 C C9 0.5825(3) 0.1410(3) 0.9791(4) 0.0379(8) Uani d 1 . .
 H H9A 0.5884 0.1385 1.0927 0.045 Uiso calc 1 . .
 C C10 0.5474(2) 0.2258(3) 0.8775(4) 0.0324(7) Uani d 1 . .
 H H10A 0.5244 0.2946 0.9067 0.039 Uiso calc 1 . .
 C C11 0.4437(2) 0.1869(2) 0.4498(4) 0.0252(6) Uani d 1 . .
 H H11A 0.4249 0.2284 0.3478 0.030 Uiso calc 1 . .
 H H11B 0.4751 0.1169 0.4266 0.030 Uiso calc 1 . .
 C C12 0.3184(3) 0.0580(3) 0.5101(5) 0.0384(8) Uani d 1 . .
 H H12A 0.2517 0.0515 0.5511 0.058 Uiso calc 1 . .
 H H12B 0.3770 0.0171 0.5800 0.058 Uiso calc 1 . .
 H H12C 0.3057 0.0291 0.4000 0.058 Uiso calc 1 . .
loop_
 _atom_site_aniso_label
 _atom_site_aniso_U_11
 _atom_site_aniso_U_22
 _atom_site_aniso_U_33
 _atom_site_aniso_U_12
 _atom_site_aniso_U_13
 _atom_site_aniso_U_23
 O1 0.0238(11) 0.0263(11) 0.0426(13) -0.0028(9) 0.0099(9) -0.0036(9)
 N1 0.0226(13) 0.0254(12) 0.0214(13) 0.0009(10) 0.0062(10) 0.0004(10)
 N2 0.0335(15) 0.0325(14) 0.0239(13) 0.0045(11) 0.0115(11) 0.0029(11)
 N3 0.0233(12) 0.0213(12) 0.0324(13) -0.0003(10) 0.0072(10) -0.0024(11)
 N4 0.0282(14) 0.0256(14) 0.0600(19) -0.0051(12) 0.0103(13) -0.0140(13)
 N5 0.0247(12) 0.0237(12) 0.0227(12) -0.0018(10) 0.0058(10) -0.0001(10)
 N6 0.0359(15) 0.0213(13) 0.0294(14) 0.0003(10) 0.0025(11) 0.0033(10)
 C1 0.0197(14) 0.0219(14) 0.0233(15) 0.0004(10) 0.0074(12) -0.0010(11)
 C2 0.0357(17) 0.0306(17) 0.0400(19) 0.0029(14) 0.0203(15) 0.0051(14)
 C3 0.0222(15) 0.0285(15) 0.048(2) 0.0000(12) 0.0143(15) 0.0000(14)
 C4 0.0257(16) 0.0316(17) 0.0334(17) 0.0020(13) 0.0057(13) -0.0024(13)
 C5 0.0370(18) 0.0272(18) 0.064(2) -0.0032(14) 0.0130(17) -0.0149(16)
 C6 0.0308(17) 0.0274(17) 0.061(2) 0.0062(14) 0.0116(16) -0.0077(15)
 C7 0.0249(15) 0.0287(16) 0.0374(17) 0.0024(12) 0.0042(13) -0.0008(13)
 C8 0.0248(16) 0.0364(18) 0.0353(18) -0.0083(14) 0.0009(13) 0.0113(15)
 C9 0.0300(17) 0.060(2) 0.0246(16) -0.0035(16) 0.0075(13) 0.0056(15)
 C10 0.0260(16) 0.0457(19) 0.0282(16) -0.0028(14) 0.0122(13) -0.0058(14)
 C11 0.0214(15) 0.0256(14) 0.0280(15) 0.0008(11) 0.0041(12) -0.0027(12)
 C12 0.038(2) 0.0282(17) 0.051(2) -0.0059(14) 0.0126(17) 0.0031(16)
_geom_special_details
;
All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes)
are estimated using the full covariance matrix. The cell e.s.d.'s are taken
into account individually in the estimation of e.s.d.'s in distances, angles
and torsion angles; correlations between e.s.d.'s in cell parameters are only
used when they are defined by crystal symmetry. An approximate (isotropic)
treatment of cell e.s.d.'s is used for estimating e.s.d.'s 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 C11 . 1.411(3) ?
 O1 C12 . 1.423(4) ?
 N1 N2 . 1.356(3) ?
 N1 C4 . 1.357(4) ?
 N1 C1 . 1.448(3) ?
 N2 C2 . 1.335(4) ?
 N3 N4 . 1.363(4) ?
 N3 C7 . 1.365(4) ?
 N3 C1 . 1.454(3) ?
 N4 C5 . 1.323(4) ?
 N5 C10 . 1.354(4) ?
 N5 N6 . 1.364(3) ?
 N5 C1 . 1.452(4) ?
 N6 C8 . 1.327(4) ?
 C1 C11 . 1.534(4) ?
 C2 C3 . 1.402(5) ?
 C2 H2A . 0.9500 ?
 C3 C4 . 1.369(4) ?
 C3 H3A . 0.9500 ?
 C4 H4A . 0.9500 ?
 C5 C6 . 1.405(5) ?
 C5 H5A . 0.9500 ?
 C6 C7 . 1.355(5) ?
 C6 H6A . 0.9500 ?
 C7 H7A . 0.9500 ?
 C8 C9 . 1.394(5) ?
 C8 H8A . 0.9500 ?
 C9 C10 . 1.369(5) ?
 C9 H9A . 0.9500 ?
 C10 H10A . 0.9500 ?
 C11 H11A . 0.9900 ?
 C11 H11B . 0.9900 ?
 C12 H12A . 0.9800 ?
 C12 H12B . 0.9800 ?
 C12 H12C . 0.9800 ?
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
 C11 O1 C12 . . 114.0(2) ?
 N2 N1 C4 . . 112.3(2) ?
 N2 N1 C1 . . 121.0(2) ?
 C4 N1 C1 . . 126.7(2) ?
 C2 N2 N1 . . 103.8(3) ?
 N4 N3 C7 . . 111.9(2) ?
 N4 N3 C1 . . 118.8(2) ?
 C7 N3 C1 . . 129.0(2) ?
 C5 N4 N3 . . 104.2(3) ?
 C10 N5 N6 . . 112.0(3) ?
 C10 N5 C1 . . 130.5(3) ?
 N6 N5 C1 . . 117.4(2) ?
 C8 N6 N5 . . 104.1(3) ?
 N1 C1 N5 . . 106.9(2) ?
 N1 C1 N3 . . 109.8(2) ?
 N5 C1 N3 . . 109.0(2) ?
 N1 C1 C11 . . 109.6(2) ?
 N5 C1 C11 . . 110.1(2) ?
 N3 C1 C11 . . 111.3(2) ?
 N2 C2 C3 . . 112.3(3) ?
 N2 C2 H2A . . 123.8 ?
 C3 C2 H2A . . 123.8 ?
 C4 C3 C2 . . 104.4(3) ?
 C4 C3 H3A . . 127.8 ?
 C2 C3 H3A . . 127.8 ?
 N1 C4 C3 . . 107.1(3) ?
 N1 C4 H4A . . 126.4 ?
 C3 C4 H4A . . 126.4 ?
 N4 C5 C6 . . 112.0(3) ?
 N4 C5 H5A . . 124.0 ?
 C6 C5 H5A . . 124.0 ?
 C7 C6 C5 . . 105.3(3) ?
 C7 C6 H6A . . 127.3 ?
 C5 C6 H6A . . 127.3 ?
 C6 C7 N3 . . 106.7(3) ?
 C6 C7 H7A . . 126.7 ?
 N3 C7 H7A . . 126.7 ?
 N6 C8 C9 . . 112.0(3) ?
 N6 C8 H8A . . 124.0 ?
 C9 C8 H8A . . 124.0 ?
 C10 C9 C8 . . 105.3(3) ?
 C10 C9 H9A . . 127.4 ?
 C8 C9 H9A . . 127.4 ?
 N5 C10 C9 . . 106.6(3) ?
 N5 C10 H10A . . 126.7 ?
 C9 C10 H10A . . 126.7 ?
 O1 C11 C1 . . 110.5(2) ?
 O1 C11 H11A . . 109.5 ?
 C1 C11 H11A . . 109.5 ?
 O1 C11 H11B . . 109.5 ?
 C1 C11 H11B . . 109.5 ?
 H11A C11 H11B . . 108.1 ?
 O1 C12 H12A . . 109.5 ?
 O1 C12 H12B . . 109.5 ?
 H12A C12 H12B . . 109.5 ?
 O1 C12 H12C . . 109.5 ?
 H12A C12 H12C . . 109.5 ?
 H12B C12 H12C . . 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
 C4 N1 N2 C2 . . . . 0.6(3) ?
 C1 N1 N2 C2 . . . . 177.0(3) ?
 C7 N3 N4 C5 . . . . -1.0(4) ?
 C1 N3 N4 C5 . . . . -175.4(3) ?
 C10 N5 N6 C8 . . . . 0.5(3) ?
 C1 N5 N6 C8 . . . . 178.0(2) ?
 N2 N1 C1 N5 . . . . 144.6(2) ?
 C4 N1 C1 N5 . . . . -39.6(4) ?
 N2 N1 C1 N3 . . . . -97.3(3) ?
 C4 N1 C1 N3 . . . . 78.6(3) ?
 N2 N1 C1 C11 . . . . 25.2(3) ?
 C4 N1 C1 C11 . . . . -158.9(3) ?
 C10 N5 C1 N1 . . . . 115.6(3) ?
 N6 N5 C1 N1 . . . . -61.3(3) ?
 C10 N5 C1 N3 . . . . -3.0(4) ?
 N6 N5 C1 N3 . . . . -179.9(2) ?
 C10 N5 C1 C11 . . . . -125.4(3) ?
 N6 N5 C1 C11 . . . . 57.7(3) ?
 N4 N3 C1 N1 . . . . -43.9(3) ?
 C7 N3 C1 N1 . . . . 142.8(3) ?
 N4 N3 C1 N5 . . . . 72.9(3) ?
 C7 N3 C1 N5 . . . . -100.4(3) ?
 N4 N3 C1 C11 . . . . -165.4(3) ?
 C7 N3 C1 C11 . . . . 21.3(4) ?
 N1 N2 C2 C3 . . . . -0.1(3) ?
 N2 C2 C3 C4 . . . . -0.4(4) ?
 N2 N1 C4 C3 . . . . -0.9(3) ?
 C1 N1 C4 C3 . . . . -177.1(3) ?
 C2 C3 C4 N1 . . . . 0.8(3) ?
 N3 N4 C5 C6 . . . . 0.9(4) ?
 N4 C5 C6 C7 . . . . -0.5(5) ?
 C5 C6 C7 N3 . . . . -0.2(4) ?
 N4 N3 C7 C6 . . . . 0.8(4) ?
 C1 N3 C7 C6 . . . . 174.4(3) ?
 N5 N6 C8 C9 . . . . -0.2(3) ?
 N6 C8 C9 C10 . . . . -0.2(4) ?
 N6 N5 C10 C9 . . . . -0.6(3) ?
 C1 N5 C10 C9 . . . . -177.7(3) ?
 C8 C9 C10 N5 . . . . 0.4(3) ?
 C12 O1 C11 C1 . . . . -124.7(3) ?
 N1 C1 C11 O1 . . . . 173.5(2) ?
 N5 C1 C11 O1 . . . . 56.2(3) ?
 N3 C1 C11 O1 . . . . -64.8(3) ?
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
 C5 H5A N2 2_565 0.95 2.51 3.453(4) 171
 C9 H9A N2 1_556 0.95 2.61 3.433(4) 145
 C4 H4A O1 4_555 0.95 2.53 3.444(4) 162

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