#------------------------------------------------------------------------------
#$Date: 2016-02-21 00:03:34 +0000 (Sun, 21 Feb 2016) $
#$Revision: 176798 $
#$URL: svn://www.crystallography.net/cod/cif/2/23/90/2239069.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_2239069
loop_
_publ_author_name
'Ahmed, Muhammad Naeem'
'Yasin, Khawaja Ansar'
'Tahir, M. Nawaz'
'Bibi, Asma'
'Andleeb, Hina'
_publ_section_title
;
 Ethyl
 6-(4-cyclopropyl-1<i>H</i>-1,2,3-triazol-1-yl)pyridine-3-carboxylate
;
_journal_coeditor_code           HB7179
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o136
_journal_paper_doi               10.1107/S1600536813034673
_journal_volume                  70
_journal_year                    2014
_chemical_formula_iupac          'C13 H14 N4 O2'
_chemical_formula_moiety         'C13 H14 N4 O2'
_chemical_formula_sum            'C13 H14 N4 O2'
_chemical_formula_weight         258.28
_chemical_name_systematic
;
Ethyl 6-(4-cyclopropyl-1<i>H</i>-1,2,3-triazol-1-yl)pyridine-3-carboxylate
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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                85.722(4)
_cell_angle_beta                 81.422(4)
_cell_angle_gamma                86.941(4)
_cell_formula_units_Z            2
_cell_length_a                   7.1565(6)
_cell_length_b                   9.3521(8)
_cell_length_c                   9.8747(9)
_cell_measurement_reflns_used    1756
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.0
_cell_measurement_theta_min      2.1
_cell_volume                     651.09(10)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009)'
_computing_publication_material
;
WinGX (Farrugia, 2012) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 8.00
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       \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  0.0293
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8987
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.090
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.975
_exptl_absorpt_correction_T_min  0.964
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             272
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.122
_refine_diff_density_min         -0.262
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0690
_refine_ls_R_factor_gt           0.0460
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0667P)^2^+0.1169P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1176
_refine_ls_wR_factor_ref         0.1369
_reflns_number_gt                1756
_reflns_number_total             2484
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb7179sup1.cif
_cod_data_source_block           I
_cod_database_code               2239069
_cod_database_fobs_code          2239069
#BEGIN Tags that were not found in dictionaries:
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelx_res_file
;
TITL NWC_0m in P-1 WHITE PRISM
CELL 0.71073 7.1565 9.3521 9.8747 85.722 81.422 86.941
ZERR 2.00 0.0006 0.0008 0.0009 0.004 0.004 0.004
LATT 1
SFAC C  H  N  O
UNIT 26  28  8  4
L.S. 40
omit -3 52
ACTA
BOND $H
HTAB
CONF
LIST 4
FMAP 2
PLAN 10
TEMP 23.000
SIZE 0.40 0.30 0.28
EQIV $1 -x+1, -y, -z+1
HTAB C5 N1_$1
EQIV $2 -x+2, -y+1, -z+1
HTAB C7 N3_$2
HTAB C9 O2_$1
WGHT    0.066700    0.116800
FVAR       0.21519
C1    1    0.241385    0.645850    0.044067    11.00000    0.09249    0.08186 =
         0.08144    0.02042   -0.02759    0.01902
AFIX 137
H1A   2    0.231489    0.714669    0.112498    11.00000   -1.50000
H1B   2    0.151959    0.672194   -0.017857    11.00000   -1.50000
H1C   2    0.367060    0.644072   -0.006139    11.00000   -1.50000
AFIX   0
C2    1    0.200476    0.500898    0.111896    11.00000    0.08231    0.06814 =
         0.08251    0.00505   -0.04651    0.01068
AFIX  23
H2A   2    0.073878    0.501172    0.163251    11.00000   -1.20000
H2B   2    0.209778    0.430212    0.043869    11.00000   -1.20000
AFIX   0
C3    1    0.332998    0.339739    0.272552    11.00000    0.05727    0.04320 =
         0.05841    0.00084   -0.01877   -0.00009
C4    1    0.490192    0.315306    0.356047    11.00000    0.04874    0.04207 =
         0.04827    0.00110   -0.01442   -0.00260
C5    1    0.505970    0.185907    0.432043    11.00000    0.05591    0.04366 =
         0.06055    0.00660   -0.02241   -0.01344
AFIX  43
H5    2    0.415389    0.118627    0.430299    11.00000   -1.20000
AFIX   0
C6    1    0.769841    0.250158    0.507466    11.00000    0.04621    0.04071 =
         0.04491    0.00484   -0.01366   -0.00679
C7    1    0.768963    0.382735    0.435829    11.00000    0.05810    0.04430 =
         0.06804    0.01226   -0.02397   -0.01685
AFIX  43
H7    2    0.861738    0.447727    0.439443    11.00000   -1.20000
AFIX   0
C8    1    0.625053    0.414653    0.358867    11.00000    0.06311    0.04003 =
         0.06205    0.01397   -0.02129   -0.00854
AFIX  43
H8    2    0.618758    0.502728    0.309026    11.00000   -1.20000
AFIX   0
C9    1    0.947783    0.084576    0.660579    11.00000    0.05429    0.03893 =
         0.04905    0.00590   -0.01493   -0.00586
AFIX  43
H9    2    0.883899    0.000210    0.662817    11.00000   -1.20000
AFIX   0
C10   1    1.095980    0.107461    0.726275    11.00000    0.04569    0.05068 =
         0.04932    0.00191   -0.01432   -0.00402
C11   1    1.193558    0.011114    0.820360    11.00000    0.06035    0.05811 =
         0.06213    0.00719   -0.02827   -0.00087
AFIX  13
H11   2    1.157734   -0.089172    0.827960    11.00000   -1.20000
AFIX   0
C12   1    1.241243    0.065389    0.948444    11.00000    0.07443    0.09335 =
         0.05579   -0.00006   -0.02590    0.00599
AFIX  23
H12A  2    1.209972    0.165471    0.964611    11.00000   -1.20000
H12B  2    1.229222    0.000621    1.030400    11.00000   -1.20000
AFIX   0
C13   1    1.393152    0.033197    0.836629    11.00000    0.05834    0.10308 =
         0.06950    0.00375   -0.02478    0.00689
AFIX  23
H13A  2    1.474687   -0.051377    0.849759    11.00000   -1.20000
H13B  2    1.455438    0.113465    0.783973    11.00000   -1.20000
AFIX   0
N3    3    1.034770    0.309124    0.612666    11.00000    0.06593    0.05227 =
         0.08363    0.01762   -0.03687   -0.02228
N4    3    1.145851    0.246259    0.695379    11.00000    0.06153    0.05893 =
         0.07761    0.01370   -0.03437   -0.01535
N1    3    0.644012    0.152115    0.507820    11.00000    0.05430    0.04290 =
         0.05702    0.00917   -0.02190   -0.01272
N2    3    0.913134    0.211066    0.591141    11.00000    0.04960    0.04170 =
         0.05132    0.00731   -0.01829   -0.01220
O1    4    0.340121    0.467361    0.203535    11.00000    0.07108    0.05359 =
         0.07811    0.01350   -0.03859   -0.00137
O2    4    0.215144    0.254013    0.265901    11.00000    0.07687    0.06189 =
         0.10358    0.01140   -0.05003   -0.01558
HKLF 4 1 1 0 0 0 1 0 0 0 1
REM  NWC_0m in P-1 WHITE PRISM
REM R1 =  0.0460 for    1756 Fo > 4sig(Fo)  and  0.0690 for all    2484 data
REM    173 parameters refined using      0 restraints
END
WGHT      0.0667      0.1169
REM Instructions for potential hydrogen bonds
HTAB C5 N1_$1
HTAB C7 N3_$2
HTAB C9 O2_$1
REM Highest difference peak  0.122,  deepest hole -0.262,  1-sigma level  0.042
Q1    1   0.8000  0.0154  0.6848  11.00000  0.05    0.12
Q2    1   0.7002  0.4836  0.2367  11.00000  0.05    0.12
Q3    1   0.3588  0.1398  0.4943  11.00000  0.05    0.12
Q4    1   0.3040  0.4394 -0.0016  11.00000  0.05    0.11
Q5    1   0.2659  0.5346 -0.0060  11.00000  0.05    0.11
Q6    1   0.8024  0.4859  0.4963  11.00000  0.05    0.11
Q7    1   1.3085  0.1633  0.9331  11.00000  0.05    0.10
Q8    1   0.9079  0.4109  0.3965  11.00000  0.05    0.10
Q9    1   1.4039  0.1431  0.8425  11.00000  0.05    0.10
Q10   1   0.1973  0.2208  0.3687  11.00000  0.05    0.10
;
_shelxl_version_number           2.013
#END Tags that were not found in dictionaries
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, -y, -z'
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
C C1 0.2414(3) 0.6459(2) 0.0441(2) 0.0859(7) Uani d 1
H H1A 0.2315 0.7147 0.1125 0.129 Uiso calc 1
H H1B 0.1520 0.6722 -0.0179 0.129 Uiso calc 1
H H1C 0.3671 0.6441 -0.0061 0.129 Uiso calc 1
C C2 0.2005(3) 0.5009(2) 0.1119(2) 0.0751(6) Uani d 1
H H2A 0.0739 0.5012 0.1633 0.090 Uiso calc 1
H H2B 0.2098 0.4302 0.0439 0.090 Uiso calc 1
C C3 0.3330(3) 0.33974(18) 0.27255(18) 0.0522(5) Uani d 1
C C4 0.4902(2) 0.31531(17) 0.35605(16) 0.0458(4) Uani d 1
C C5 0.5060(3) 0.18591(18) 0.43204(18) 0.0521(5) Uani d 1
H H5 0.4154 0.1186 0.4303 0.062 Uiso calc 1
C C6 0.7698(2) 0.25016(17) 0.50747(16) 0.0434(4) Uani d 1
C C7 0.7690(3) 0.38274(18) 0.43583(19) 0.0556(5) Uani d 1
H H7 0.8617 0.4477 0.4394 0.067 Uiso calc 1
C C8 0.6251(3) 0.41465(18) 0.35887(19) 0.0545(5) Uani d 1
H H8 0.6188 0.5027 0.3090 0.065 Uiso calc 1
C C9 0.9478(2) 0.08458(17) 0.66058(16) 0.0470(4) Uani d 1
H H9 0.8839 0.0002 0.6628 0.056 Uiso calc 1
C C10 1.0960(2) 0.10746(18) 0.72627(17) 0.0480(4) Uani d 1
C C11 1.1936(3) 0.0111(2) 0.82036(18) 0.0589(5) Uani d 1
H H11 1.1577 -0.0892 0.8280 0.071 Uiso calc 1
C C12 1.2412(3) 0.0654(3) 0.9484(2) 0.0734(6) Uani d 1
H H12A 1.2100 0.1655 0.9646 0.088 Uiso calc 1
H H12B 1.2292 0.0006 1.0304 0.088 Uiso calc 1
C C13 1.3932(3) 0.0332(3) 0.8366(2) 0.0763(6) Uani d 1
H H13A 1.4747 -0.0514 0.8498 0.092 Uiso calc 1
H H13B 1.4554 0.1135 0.7840 0.092 Uiso calc 1
N N3 1.0348(2) 0.30912(16) 0.61267(17) 0.0650(5) Uani d 1
N N4 1.1459(2) 0.24626(17) 0.69538(17) 0.0640(5) Uani d 1
N N1 0.6440(2) 0.15211(14) 0.50782(15) 0.0502(4) Uani d 1
N N2 0.9131(2) 0.21107(14) 0.59114(13) 0.0466(4) Uani d 1
O O1 0.34012(19) 0.46736(13) 0.20353(14) 0.0657(4) Uani d 1
O O2 0.2151(2) 0.25401(15) 0.26590(15) 0.0774(5) Uani d 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
C1 0.0925(17) 0.0819(16) 0.0814(16) 0.0190(13) -0.0276(13) 0.0204(12)
C2 0.0823(15) 0.0681(13) 0.0825(15) 0.0107(11) -0.0465(12) 0.0050(11)
C3 0.0573(11) 0.0432(9) 0.0584(11) -0.0001(8) -0.0188(9) 0.0008(8)
C4 0.0487(10) 0.0421(9) 0.0483(10) -0.0026(7) -0.0144(8) 0.0011(7)
C5 0.0559(11) 0.0437(9) 0.0606(11) -0.0134(8) -0.0224(9) 0.0066(8)
C6 0.0462(9) 0.0407(9) 0.0449(9) -0.0068(7) -0.0137(7) 0.0048(7)
C7 0.0581(11) 0.0443(9) 0.0680(12) -0.0169(8) -0.0240(9) 0.0123(8)
C8 0.0631(11) 0.0400(9) 0.0621(11) -0.0085(8) -0.0213(9) 0.0140(8)
C9 0.0543(10) 0.0389(9) 0.0490(10) -0.0059(7) -0.0149(8) 0.0059(7)
C10 0.0457(10) 0.0507(10) 0.0493(10) -0.0040(8) -0.0143(8) 0.0019(7)
C11 0.0604(12) 0.0581(11) 0.0621(12) -0.0009(9) -0.0283(9) 0.0072(9)
C12 0.0744(14) 0.0934(16) 0.0558(12) 0.0060(12) -0.0259(11) -0.0001(11)
C13 0.0583(13) 0.1031(17) 0.0695(14) 0.0069(11) -0.0248(11) 0.0038(12)
N3 0.0659(10) 0.0523(9) 0.0836(11) -0.0223(8) -0.0369(9) 0.0176(8)
N4 0.0615(10) 0.0589(10) 0.0776(11) -0.0153(8) -0.0344(8) 0.0137(8)
N1 0.0543(9) 0.0429(8) 0.0570(9) -0.0127(6) -0.0219(7) 0.0092(6)
N2 0.0496(8) 0.0417(8) 0.0513(8) -0.0122(6) -0.0183(6) 0.0073(6)
O1 0.0711(9) 0.0536(8) 0.0781(9) -0.0014(6) -0.0386(7) 0.0135(6)
O2 0.0769(10) 0.0619(9) 0.1036(11) -0.0156(8) -0.0500(9) 0.0114(8)
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'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C2 C1 H1A 109.5
C2 C1 H1B 109.5
H1A C1 H1B 109.5
C2 C1 H1C 109.5
H1A C1 H1C 109.5
H1B C1 H1C 109.5
O1 C2 C1 106.77(18)
O1 C2 H2A 110.4
C1 C2 H2A 110.4
O1 C2 H2B 110.4
C1 C2 H2B 110.4
H2A C2 H2B 108.6
O2 C3 O1 123.76(17)
O2 C3 C4 124.61(16)
O1 C3 C4 111.62(15)
C8 C4 C5 117.89(16)
C8 C4 C3 123.04(15)
C5 C4 C3 119.04(15)
N1 C5 C4 123.74(16)
N1 C5 H5 118.1
C4 C5 H5 118.1
N1 C6 C7 125.18(15)
N1 C6 N2 114.66(14)
C7 C6 N2 120.14(15)
C8 C7 C6 117.21(16)
C8 C7 H7 121.4
C6 C7 H7 121.4
C7 C8 C4 119.65(15)
C7 C8 H8 120.2
C4 C8 H8 120.2
N2 C9 C10 105.05(14)
N2 C9 H9 127.5
C10 C9 H9 127.5
C9 C10 N4 108.25(15)
C9 C10 C11 130.37(16)
N4 C10 C11 121.34(16)
C10 C11 C13 120.71(18)
C10 C11 C12 119.78(17)
C13 C11 C12 58.99(13)
C10 C11 H11 115.3
C13 C11 H11 115.3
C12 C11 H11 115.3
C13 C12 C11 60.47(14)
C13 C12 H12A 117.7
C11 C12 H12A 117.7
C13 C12 H12B 117.7
C11 C12 H12B 117.7
H12A C12 H12B 114.8
C12 C13 C11 60.54(14)
C12 C13 H13A 117.7
C11 C13 H13A 117.7
C12 C13 H13B 117.7
C11 C13 H13B 117.7
H13A C13 H13B 114.8
N4 N3 N2 107.00(14)
N3 N4 C10 109.09(14)
C6 N1 C5 116.32(14)
N3 N2 C9 110.61(14)
N3 N2 C6 119.87(13)
C9 N2 C6 129.50(14)
C3 O1 C2 116.97(15)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 C2 1.490(3)
C1 H1A 0.9600
C1 H1B 0.9600
C1 H1C 0.9600
C2 O1 1.453(2)
C2 H2A 0.9700
C2 H2B 0.9700
C3 O2 1.206(2)
C3 O1 1.329(2)
C3 C4 1.490(2)
C4 C8 1.380(2)
C4 C5 1.384(2)
C5 N1 1.337(2)
C5 H5 0.9300
C6 N1 1.318(2)
C6 C7 1.381(2)
C6 N2 1.427(2)
C7 C8 1.376(2)
C7 H7 0.9300
C8 H8 0.9300
C9 N2 1.353(2)
C9 C10 1.357(2)
C9 H9 0.9300
C10 N4 1.365(2)
C10 C11 1.471(2)
C11 C13 1.488(3)
C11 C12 1.489(3)
C11 H11 0.9800
C12 C13 1.466(3)
C12 H12A 0.9700
C12 H12B 0.9700
C13 H13A 0.9700
C13 H13B 0.9700
N3 N4 1.310(2)
N3 N2 1.347(2)
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 H5 N1 2_656 0.93 2.60 3.375(2) 141
C7 H7 N3 2_766 0.93 2.42 3.245(2) 147
C9 H9 O2 2_656 0.93 2.54 3.422(2) 159
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
O2 C3 C4 C8 178.53(18)
O1 C3 C4 C8 -0.3(2)
O2 C3 C4 C5 0.2(3)
O1 C3 C4 C5 -178.58(15)
C8 C4 C5 N1 0.1(3)
C3 C4 C5 N1 178.47(16)
N1 C6 C7 C8 0.0(3)
N2 C6 C7 C8 -178.94(15)
C6 C7 C8 C4 -0.1(3)
C5 C4 C8 C7 0.0(3)
C3 C4 C8 C7 -178.31(16)
N2 C9 C10 N4 0.24(19)
N2 C9 C10 C11 178.12(17)
C9 C10 C11 C13 155.10(19)
N4 C10 C11 C13 -27.3(3)
C9 C10 C11 C12 -135.4(2)
N4 C10 C11 C12 42.2(3)
C10 C11 C12 C13 -110.0(2)
C10 C11 C13 C12 108.5(2)
N2 N3 N4 C10 0.3(2)
C9 C10 N4 N3 -0.4(2)
C11 C10 N4 N3 -178.48(16)
C7 C6 N1 C5 0.1(3)
N2 C6 N1 C5 179.08(14)
C4 C5 N1 C6 -0.1(3)
N4 N3 N2 C9 -0.2(2)
N4 N3 N2 C6 178.13(15)
C10 C9 N2 N3 -0.04(19)
C10 C9 N2 C6 -178.15(16)
N1 C6 N2 N3 -171.57(14)
C7 C6 N2 N3 7.5(2)
N1 C6 N2 C9 6.4(3)
C7 C6 N2 C9 -174.54(16)
O2 C3 O1 C2 -2.2(3)
C4 C3 O1 C2 176.58(15)
C1 C2 O1 C3 -178.22(16)