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The title compound, C13H7N5O3·C2H6O, was synthesized by the reaction of 2-cyano­acetamide, malononitrile and 3-nitro­benzaldehyde in water. The asymmetric unit contains two crystallographically independent 6-amino-4-(3-nitro­phen­yl)-2-oxo-1,2-dihydro­pyridine-3,5-dicarbonitrile mol­ecules of similar conformation and two ethanol solvent mol­ecules. The nitro group of one mol­ecule is disordered over two positions with site-occupation factors of 0.688 (17) and 0.312 (17). The dihedral angles between the pyridine and benzene rings are 52.06 (11) and 65.12 (13)° in the two mol­ecules. The crystal packing is stabilized by N—H...O, N—H...N, O—H...O and C—H...O intra- and inter­molecular hydrogen bonds.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S160053680703053X/rz2140sup1.cif
Contains datablocks global, I

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S160053680703053X/rz2140Isup2.hkl
Contains datablock I

CCDC reference: 298860

Key indicators

  • Single-crystal X-ray study
  • T = 298 K
  • Mean [sigma](C-C) = 0.007 Å
  • Disorder in main residue
  • R factor = 0.058
  • wR factor = 0.124
  • Data-to-parameter ratio = 12.2

checkCIF/PLATON results

No syntax errors found



Alert level B PLAT026_ALERT_3_B Ratio Observed / Unique Reflections too Low .... 34 Perc.
Alert level C PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for N10' PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for N5 PLAT243_ALERT_4_C High 'Solvent' Ueq as Compared to Neighbors for C29 PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor .... 2.06 PLAT301_ALERT_3_C Main Residue Disorder ......................... 7.00 Perc. PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds (x 1000) Ang ... 7 PLAT366_ALERT_2_C Short? C(sp?)-C(sp?) Bond C22 - C23 ... 1.37 Ang. PLAT366_ALERT_2_C Short? C(sp?)-C(sp?) Bond C23 - C24 ... 1.36 Ang. PLAT371_ALERT_2_C Long C(sp2)-C(sp1) Bond C15 - C19 ... 1.42 Ang. PLAT371_ALERT_2_C Long C(sp2)-C(sp1) Bond C17 - C20 ... 1.43 Ang. PLAT371_ALERT_2_C Long C(sp2)-C(sp1) Bond C2 - C6 ... 1.42 Ang. PLAT371_ALERT_2_C Long C(sp2)-C(sp1) Bond C4 - C7 ... 1.42 Ang. PLAT432_ALERT_2_C Short Inter X...Y Contact O6' .. C1 .. 2.99 Ang. PLAT432_ALERT_2_C Short Inter X...Y Contact C1 .. O6 .. 2.95 Ang.
Alert level G PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 160
0 ALERT level A = In general: serious problem 1 ALERT level B = Potentially serious problem 14 ALERT level C = Check and explain 1 ALERT level G = General alerts; check 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 11 ALERT type 2 Indicator that the structure model may be wrong or deficient 4 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 0 ALERT type 5 Informative message, check

Comment top

The synthesis of 2-pyridone derivatives is an area of growing interest because compounds with these scaffolds exhibited significant pharmacological properties such as antibacterial (Li et al., 2000), antifungal (Cox & O'Hagan, 1991) and antitumor activity (Nagarajan et al., 2003). These compounds have been used also as cardiotonic (Deshang et al., 1988) and psychotherapeutic agents (Kozikowski et al., 1996) and potential HIC-1 specific transcriptase inhibitors (Boeckman et al., 1987). Moreover it is well know that the 2-pyridone ring system is a valuable building block in the symthesis of natural products (Comins et al., 1994). For these reasons, the synthesis of new compounds containing 2-pyridone derivatives is strongly desired. In this paper we report the crystal structure of the title compound.

In the asymmetric units there are two title molecules of similar geometry and two ethanol molecules (Fig. 1). One nitro group is disordered over two positions, with refined site occupation factors of 0.688 (17) and 0.312 (17) for the major and minor components, respectively. The dihedral angle between the C1/C2/C3/C4/C5/N1 plane and the C8—C13 benzene ring is 52.06 (11) °, while the corresponding angle between the C14/C15/C16/C17/C18/N6 plane and the C21—C26 benzene ring is 65.12 (13)°. The crystal packing is stabilized by an extended network of N—H···O, N—H···N, O—H···O and C—H···O intra- and intermolecular hydrogen bonds (Table 1, Fig. 2).

Related literature top

For general background, see: Boeckman et al. (1987); Comins et al. (1994); Cox & O'Hagan (1991); Deshang et al. (1988); Kozikowski et al. (1996); Li et al. (2000); Nagarajan et al. (2003).

Experimental top

The title Compound was prepared by the reaction of 2-cyanoacetamide (2 mmol), malononitrile (2 mmol) and 3-nitrobenzaldehyde (2 mmol) in water (2 ml). Single crystals of (I) suitable for X-ray diffraction were obtained by slow evaporation of a 95% aqueous ethanol solution (yield 48%; m.p. >573 K). IR (cm-1): 3546, 3338, 3189, 2214, 1670, 1646, 1529; 1H NMR (DMSO-d6): 7.87 (2H, brs, NH2), 7.88–8.01 (4H, m, ArH), 11.85 (1H, s, NH).

Refinement top

All H atoms were positioned geometrically and treated as riding, with N—H = 0.86 Å, O—H = 0.82 Å and C—H = 0.93–0.97 Å, and with Uiso(H) = 1.2 Ueq(C, N) or 1.5 Ueq(C, O) for methyl and hydroxy groups.

Structure description top

The synthesis of 2-pyridone derivatives is an area of growing interest because compounds with these scaffolds exhibited significant pharmacological properties such as antibacterial (Li et al., 2000), antifungal (Cox & O'Hagan, 1991) and antitumor activity (Nagarajan et al., 2003). These compounds have been used also as cardiotonic (Deshang et al., 1988) and psychotherapeutic agents (Kozikowski et al., 1996) and potential HIC-1 specific transcriptase inhibitors (Boeckman et al., 1987). Moreover it is well know that the 2-pyridone ring system is a valuable building block in the symthesis of natural products (Comins et al., 1994). For these reasons, the synthesis of new compounds containing 2-pyridone derivatives is strongly desired. In this paper we report the crystal structure of the title compound.

In the asymmetric units there are two title molecules of similar geometry and two ethanol molecules (Fig. 1). One nitro group is disordered over two positions, with refined site occupation factors of 0.688 (17) and 0.312 (17) for the major and minor components, respectively. The dihedral angle between the C1/C2/C3/C4/C5/N1 plane and the C8—C13 benzene ring is 52.06 (11) °, while the corresponding angle between the C14/C15/C16/C17/C18/N6 plane and the C21—C26 benzene ring is 65.12 (13)°. The crystal packing is stabilized by an extended network of N—H···O, N—H···N, O—H···O and C—H···O intra- and intermolecular hydrogen bonds (Table 1, Fig. 2).

For general background, see: Boeckman et al. (1987); Comins et al. (1994); Cox & O'Hagan (1991); Deshang et al. (1988); Kozikowski et al. (1996); Li et al. (2000); Nagarajan et al. (2003).

Computing details top

Data collection: SMART (Bruker, 1998); cell refinement: SAINT (Bruker, 1999); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 1999); software used to prepare material for publication: SHELXTL.

Figures top
[Figure 1] Fig. 1. The molecular structure of the title compound, showing 30% probability displacement ellipsoids.
[Figure 2] Fig. 2. Packing diagram of the title compound viewed along the b axis. Dashed lines indicate hydrogen bonds.
6-Amino-4-(3-nitrophenyl)-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile ethanol solvate top
Crystal data top
C13H7N5O3·C2H6OF(000) = 1360
Mr = 327.30Dx = 1.349 Mg m3
Monoclinic, P21/nMelting point > 573 K
Hall symbol: -P 2ynMo Kα radiation, λ = 0.71073 Å
a = 13.079 (3) ÅCell parameters from 1628 reflections
b = 14.764 (4) Åθ = 2.4–19,693°
c = 16.693 (4) ŵ = 0.10 mm1
β = 90.923 (4)°T = 298 K
V = 3223.0 (14) Å3Block, yellow
Z = 80.45 × 0.36 × 0.31 mm
Data collection top
Bruker SMART CCD area-detector
diffractometer
5690 independent reflections
Radiation source: fine-focus sealed tube1952 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.089
φ and ω scansθmax = 25.0°, θmin = 2.0°
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
h = 1515
Tmin = 0.950, Tmax = 0.962k = 1517
16780 measured reflectionsl = 1916
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.058Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.124H-atom parameters constrained
S = 1.01 w = 1/[σ2(Fo2) + (0.0257P)2]
where P = (Fo2 + 2Fc2)/3
5690 reflections(Δ/σ)max < 0.001
465 parametersΔρmax = 0.38 e Å3
160 restraintsΔρmin = 0.33 e Å3
Crystal data top
C13H7N5O3·C2H6OV = 3223.0 (14) Å3
Mr = 327.30Z = 8
Monoclinic, P21/nMo Kα radiation
a = 13.079 (3) ŵ = 0.10 mm1
b = 14.764 (4) ÅT = 298 K
c = 16.693 (4) Å0.45 × 0.36 × 0.31 mm
β = 90.923 (4)°
Data collection top
Bruker SMART CCD area-detector
diffractometer
5690 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
1952 reflections with I > 2σ(I)
Tmin = 0.950, Tmax = 0.962Rint = 0.089
16780 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.058160 restraints
wR(F2) = 0.124H-atom parameters constrained
S = 1.01Δρmax = 0.38 e Å3
5690 reflectionsΔρmin = 0.33 e Å3
465 parameters
Special details top

Geometry. 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.

Refinement. 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 > σ(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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/UeqOcc. (<1)
N10.5413 (2)0.0007 (2)0.88884 (17)0.0437 (9)
H10.57490.04690.90640.052*
N20.6368 (3)0.2644 (3)0.7473 (2)0.0869 (14)
N30.1889 (3)0.0708 (2)0.8869 (2)0.0649 (11)
N40.3967 (2)0.0744 (2)0.92758 (17)0.0535 (10)
H4A0.43510.11780.94480.064*
H4B0.33150.07800.93210.064*
N50.3662 (4)0.4712 (3)0.8369 (3)0.0937 (16)
N60.6783 (2)0.4244 (2)0.59015 (17)0.0485 (9)
H60.71230.47000.60840.058*
N70.7718 (3)0.1339 (3)0.4923 (2)0.0779 (13)
N80.3234 (3)0.3745 (2)0.5484 (2)0.0711 (12)
N90.5327 (2)0.5071 (2)0.61243 (18)0.0612 (10)
H9A0.57060.55130.62880.073*
H9B0.46730.51270.61170.073*
N100.447 (3)0.099 (3)0.305 (2)0.107 (9)0.312 (17)
N10'0.4599 (12)0.0567 (11)0.3306 (8)0.098 (4)0.688 (17)
O10.69115 (19)0.06659 (18)0.85852 (15)0.0582 (8)
O20.4461 (4)0.4791 (3)0.8736 (3)0.1390 (18)
O30.3055 (3)0.5318 (3)0.8276 (2)0.1389 (18)
O40.82853 (19)0.35442 (18)0.56654 (15)0.0615 (9)
O50.4957 (16)0.1407 (14)0.2640 (11)0.097 (6)0.312 (17)
O60.3707 (16)0.0454 (18)0.2843 (11)0.128 (7)0.312 (17)
O5'0.5210 (8)0.0869 (12)0.2864 (7)0.136 (4)0.688 (17)
O6'0.4135 (8)0.0099 (8)0.3139 (6)0.137 (4)0.688 (17)
O70.0021 (2)0.2717 (2)0.5108 (2)0.0806 (10)
H70.05590.27620.52830.121*
O80.6269 (2)0.6604 (3)0.6769 (2)0.1075 (13)
H80.68890.66360.67090.161*
C10.5962 (3)0.0702 (3)0.8570 (2)0.0447 (11)
C20.5381 (3)0.1436 (3)0.8234 (2)0.0431 (11)
C30.4334 (3)0.1448 (3)0.8294 (2)0.0408 (10)
C40.3825 (3)0.0726 (3)0.8654 (2)0.0400 (10)
C50.4381 (3)0.0024 (3)0.8943 (2)0.0406 (11)
C60.5925 (3)0.2113 (3)0.7813 (3)0.0572 (13)
C70.2748 (3)0.0719 (3)0.8769 (2)0.0459 (11)
C80.3733 (3)0.2238 (3)0.8012 (2)0.0466 (11)
C90.3988 (3)0.3087 (3)0.8279 (2)0.0544 (12)
H90.45580.31700.86120.065*
C100.3397 (4)0.3813 (3)0.8054 (3)0.0634 (14)
C110.2560 (4)0.3732 (4)0.7573 (3)0.0808 (17)
H110.21680.42360.74380.097*
C120.2302 (4)0.2888 (4)0.7289 (3)0.0791 (16)
H120.17340.28180.69530.095*
C130.2886 (3)0.2144 (3)0.7503 (2)0.0628 (13)
H130.27110.15750.73050.075*
C140.7335 (3)0.3502 (3)0.5651 (2)0.0453 (11)
C150.6741 (3)0.2752 (3)0.5383 (2)0.0445 (11)
C160.5687 (3)0.2784 (3)0.5358 (2)0.0424 (11)
C170.5190 (3)0.3557 (3)0.5605 (2)0.0430 (11)
C180.5750 (3)0.4312 (3)0.5884 (2)0.0449 (11)
C190.7282 (3)0.1969 (3)0.5126 (3)0.0547 (13)
C200.4105 (3)0.3644 (3)0.5539 (2)0.0507 (12)
C210.5069 (3)0.1995 (3)0.5085 (3)0.0462 (11)
C220.5108 (3)0.1706 (3)0.4295 (3)0.0638 (14)
H220.55320.19880.39290.077*
C230.4500 (4)0.0988 (4)0.4074 (3)0.0753 (16)
C240.3867 (4)0.0549 (3)0.4580 (4)0.0872 (19)
H240.34590.00730.43980.105*
C250.3839 (3)0.0819 (3)0.5366 (4)0.0821 (16)
H250.34250.05230.57300.098*
C260.4444 (3)0.1545 (3)0.5604 (3)0.0621 (13)
H260.44260.17330.61360.074*
C270.0420 (4)0.1856 (4)0.5300 (3)0.0975 (18)
H27A0.00730.13940.51490.117*
H27B0.05400.18160.58740.117*
C280.1378 (4)0.1693 (4)0.4885 (3)0.140 (2)
H28A0.12440.16470.43200.210*
H28B0.16790.11390.50760.210*
H28C0.18410.21860.49880.210*
C290.6040 (6)0.6753 (5)0.7591 (5)0.180 (4)
H29A0.53080.67930.76700.216*
H29B0.63640.73000.77920.216*
C300.6487 (6)0.5913 (5)0.7994 (5)0.210 (4)
H30A0.62290.53810.77290.315*
H30B0.62950.59020.85460.315*
H30C0.72190.59270.79600.315*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
N10.035 (2)0.043 (2)0.053 (2)0.0012 (18)0.0031 (17)0.0028 (17)
N20.075 (3)0.077 (4)0.109 (4)0.005 (3)0.027 (3)0.023 (3)
N30.038 (2)0.068 (3)0.088 (3)0.005 (2)0.008 (2)0.008 (2)
N40.0299 (19)0.057 (3)0.074 (3)0.0025 (19)0.0017 (18)0.007 (2)
N50.120 (5)0.046 (4)0.116 (4)0.016 (4)0.017 (4)0.005 (3)
N60.032 (2)0.050 (3)0.063 (2)0.0055 (19)0.0007 (18)0.0132 (19)
N70.061 (3)0.071 (3)0.101 (3)0.006 (2)0.012 (2)0.017 (3)
N80.036 (2)0.072 (3)0.105 (3)0.001 (2)0.008 (2)0.022 (2)
N90.035 (2)0.058 (3)0.092 (3)0.0023 (19)0.0032 (19)0.019 (2)
N100.105 (12)0.112 (12)0.105 (12)0.017 (9)0.001 (9)0.032 (9)
N10'0.083 (7)0.116 (11)0.095 (9)0.039 (7)0.000 (7)0.048 (7)
O10.0329 (17)0.062 (2)0.080 (2)0.0014 (15)0.0019 (15)0.0115 (15)
O20.133 (4)0.062 (3)0.221 (5)0.007 (3)0.013 (4)0.019 (3)
O30.213 (5)0.066 (3)0.137 (4)0.069 (3)0.002 (3)0.007 (2)
O40.0309 (17)0.060 (2)0.094 (2)0.0044 (15)0.0003 (16)0.0134 (16)
O50.100 (9)0.111 (9)0.081 (8)0.026 (7)0.011 (7)0.023 (7)
O60.124 (9)0.142 (10)0.119 (9)0.041 (8)0.006 (7)0.048 (7)
O5'0.121 (6)0.177 (8)0.111 (6)0.032 (6)0.028 (5)0.068 (6)
O6'0.152 (6)0.122 (7)0.137 (6)0.020 (5)0.022 (5)0.061 (5)
O70.056 (2)0.070 (2)0.116 (3)0.0024 (19)0.009 (2)0.014 (2)
O80.067 (2)0.105 (3)0.151 (4)0.005 (2)0.003 (2)0.043 (3)
C10.033 (3)0.053 (3)0.048 (3)0.006 (3)0.005 (2)0.006 (2)
C20.039 (3)0.040 (3)0.050 (3)0.004 (2)0.003 (2)0.003 (2)
C30.041 (3)0.038 (3)0.043 (3)0.001 (2)0.002 (2)0.006 (2)
C40.030 (2)0.040 (3)0.050 (3)0.001 (2)0.001 (2)0.004 (2)
C50.032 (3)0.044 (3)0.047 (3)0.007 (2)0.004 (2)0.005 (2)
C60.041 (3)0.051 (4)0.080 (4)0.004 (2)0.011 (3)0.006 (3)
C70.042 (3)0.041 (3)0.055 (3)0.004 (2)0.002 (2)0.000 (2)
C80.043 (3)0.043 (3)0.054 (3)0.002 (2)0.004 (2)0.001 (2)
C90.045 (3)0.049 (3)0.069 (3)0.007 (3)0.006 (2)0.003 (3)
C100.064 (4)0.051 (4)0.076 (4)0.011 (3)0.012 (3)0.007 (3)
C110.074 (4)0.075 (5)0.094 (4)0.028 (4)0.018 (3)0.034 (3)
C120.061 (3)0.088 (5)0.088 (4)0.009 (4)0.017 (3)0.026 (4)
C130.056 (3)0.067 (4)0.064 (3)0.001 (3)0.004 (3)0.002 (3)
C140.034 (3)0.053 (3)0.049 (3)0.001 (2)0.004 (2)0.008 (2)
C150.034 (3)0.047 (3)0.053 (3)0.000 (2)0.003 (2)0.010 (2)
C160.034 (3)0.047 (3)0.046 (3)0.005 (2)0.001 (2)0.006 (2)
C170.027 (2)0.052 (3)0.050 (3)0.004 (2)0.002 (2)0.008 (2)
C180.029 (3)0.049 (3)0.056 (3)0.002 (2)0.003 (2)0.006 (2)
C190.038 (3)0.063 (4)0.063 (3)0.010 (3)0.006 (2)0.006 (3)
C200.047 (3)0.043 (3)0.062 (3)0.003 (3)0.005 (3)0.012 (2)
C210.036 (3)0.049 (3)0.053 (3)0.002 (2)0.004 (2)0.010 (3)
C220.041 (3)0.080 (4)0.071 (4)0.018 (3)0.006 (2)0.023 (3)
C230.051 (3)0.089 (4)0.087 (4)0.010 (3)0.008 (3)0.050 (4)
C240.053 (4)0.068 (4)0.142 (6)0.016 (3)0.014 (4)0.037 (4)
C250.057 (3)0.067 (4)0.122 (5)0.015 (3)0.016 (3)0.004 (4)
C260.049 (3)0.070 (4)0.067 (3)0.009 (3)0.016 (3)0.007 (3)
C270.100 (5)0.090 (5)0.102 (5)0.010 (4)0.007 (4)0.009 (3)
C280.079 (4)0.175 (7)0.166 (6)0.048 (4)0.017 (4)0.008 (5)
C290.155 (7)0.210 (10)0.177 (8)0.007 (7)0.016 (6)0.073 (7)
C300.175 (7)0.281 (8)0.175 (7)0.054 (6)0.038 (5)0.045 (6)
Geometric parameters (Å, º) top
N1—C51.355 (4)C8—C131.392 (5)
N1—C11.380 (4)C9—C101.370 (5)
N1—H10.8600C9—H90.9300
N2—C61.132 (5)C10—C111.352 (6)
N3—C71.139 (4)C11—C121.373 (6)
N4—C51.320 (4)C11—H110.9300
N4—H4A0.8600C12—C131.382 (6)
N4—H4B0.8600C12—H120.9300
N5—O31.205 (5)C13—H130.9300
N5—O21.210 (5)C14—C151.421 (5)
N5—C101.466 (6)C15—C161.380 (5)
N6—C181.354 (4)C15—C191.426 (5)
N6—C141.380 (4)C16—C171.379 (5)
N6—H60.8600C16—C211.485 (5)
N7—C191.145 (5)C17—C181.409 (5)
N8—C201.151 (4)C17—C201.427 (5)
N9—C181.316 (4)C21—C261.374 (5)
N9—H9A0.8600C21—C221.386 (5)
N9—H9B0.8600C22—C231.373 (5)
N10—O51.13 (4)C22—H220.9300
N10—O61.32 (4)C23—C241.357 (6)
N10—C231.70 (4)C24—C251.373 (6)
N10'—O5'1.183 (13)C24—H240.9300
N10'—O6'1.186 (11)C25—C261.386 (5)
N10'—C231.433 (13)C25—H250.9300
O1—C11.242 (4)C26—H260.9300
O4—C141.245 (4)C27—C281.460 (6)
O7—C271.410 (5)C27—H27A0.9700
O7—H70.8200C27—H27B0.9700
O8—C291.427 (7)C28—H28A0.9600
O8—H80.8200C28—H28B0.9600
C1—C21.433 (5)C28—H28C0.9600
C2—C31.374 (5)C29—C301.523 (8)
C2—C61.420 (5)C29—H29A0.9700
C3—C41.396 (5)C29—H29B0.9700
C3—C81.480 (5)C30—H30A0.9600
C4—C51.406 (5)C30—H30B0.9600
C4—C71.425 (5)C30—H30C0.9600
C8—C91.370 (5)
C5—N1—C1124.4 (4)N6—C14—C15115.3 (4)
C5—N1—H1117.8C16—C15—C14121.6 (4)
C1—N1—H1117.8C16—C15—C19121.3 (4)
C5—N4—H4A120.0C14—C15—C19117.1 (4)
C5—N4—H4B120.0C17—C16—C15119.7 (4)
H4A—N4—H4B120.0C17—C16—C21118.9 (4)
O3—N5—O2123.7 (6)C15—C16—C21121.4 (4)
O3—N5—C10118.4 (6)C16—C17—C18120.5 (4)
O2—N5—C10117.8 (6)C16—C17—C20121.6 (4)
C18—N6—C14125.3 (4)C18—C17—C20117.7 (4)
C18—N6—H6117.3N9—C18—N6118.7 (4)
C14—N6—H6117.3N9—C18—C17123.7 (4)
C18—N9—H9A120.0N6—C18—C17117.5 (4)
C18—N9—H9B120.0N7—C19—C15179.7 (6)
H9A—N9—H9B120.0N8—C20—C17177.8 (5)
O5—N10—O6127 (3)C26—C21—C22118.8 (4)
O5—N10—C23128 (3)C26—C21—C16120.8 (4)
O6—N10—C23106 (3)C22—C21—C16120.3 (4)
O5'—N10'—O6'121.0 (13)C23—C22—C21117.6 (4)
O5'—N10'—C23117.8 (11)C23—C22—H22121.2
O6'—N10'—C23121.1 (12)C21—C22—H22121.2
C27—O7—H7109.5C24—C23—C22123.9 (5)
C29—O8—H8109.5C24—C23—N10'114.5 (8)
O1—C1—N1119.1 (4)C22—C23—N10'121.0 (7)
O1—C1—C2124.3 (4)C24—C23—N10128.3 (15)
N1—C1—C2116.6 (4)C22—C23—N10105.7 (14)
C3—C2—C6122.4 (4)C23—C24—C25118.8 (5)
C3—C2—C1120.3 (4)C23—C24—H24120.6
C6—C2—C1117.3 (4)C25—C24—H24120.6
C2—C3—C4120.3 (4)C24—C25—C26118.4 (5)
C2—C3—C8120.8 (4)C24—C25—H25120.8
C4—C3—C8118.9 (4)C26—C25—H25120.8
C3—C4—C5120.1 (4)C21—C26—C25122.4 (5)
C3—C4—C7122.9 (4)C21—C26—H26118.8
C5—C4—C7117.0 (4)C25—C26—H26118.8
N4—C5—N1117.3 (4)O7—C27—C28111.0 (5)
N4—C5—C4124.5 (4)O7—C27—H27A109.4
N1—C5—C4118.2 (4)C28—C27—H27A109.4
N2—C6—C2179.0 (6)O7—C27—H27B109.4
N3—C7—C4179.3 (5)C28—C27—H27B109.4
C9—C8—C13118.5 (4)H27A—C27—H27B108.0
C9—C8—C3119.5 (4)C27—C28—H28A109.5
C13—C8—C3122.0 (4)C27—C28—H28B109.5
C10—C9—C8119.5 (4)H28A—C28—H28B109.5
C10—C9—H9120.2C27—C28—H28C109.5
C8—C9—H9120.2H28A—C28—H28C109.5
C11—C10—C9122.8 (5)H28B—C28—H28C109.5
C11—C10—N5118.5 (5)O8—C29—C30102.3 (6)
C9—C10—N5118.7 (5)O8—C29—H29A111.3
C10—C11—C12118.5 (5)C30—C29—H29A111.3
C10—C11—H11120.7O8—C29—H29B111.3
C12—C11—H11120.7C30—C29—H29B111.3
C11—C12—C13120.0 (5)H29A—C29—H29B109.2
C11—C12—H12120.0C29—C30—H30A109.5
C13—C12—H12120.0C29—C30—H30B109.5
C12—C13—C8120.7 (5)H30A—C30—H30B109.5
C12—C13—H13119.7C29—C30—H30C109.5
C8—C13—H13119.7H30A—C30—H30C109.5
O4—C14—N6118.8 (4)H30B—C30—H30C109.5
O4—C14—C15125.9 (4)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N9—H9A···O80.861.942.785 (5)167
C22—H22···O50.932.422.802 (19)104
N1—H1···O4i0.861.982.826 (4)170
N4—H4A···O7ii0.861.972.816 (4)169
N4—H4B···N8ii0.862.173.009 (5)164
C13—H13···O3ii0.932.323.228 (6)167
C25—H25···O3ii0.932.593.464 (7)158
N6—H6···O1iii0.861.982.830 (4)171
O8—H8···O1iii0.822.192.824 (4)135
N9—H9B···N3iv0.862.223.047 (5)163
O7—H7···O4v0.822.012.753 (4)150
Symmetry codes: (i) x+3/2, y1/2, z+3/2; (ii) x+1/2, y1/2, z+3/2; (iii) x+3/2, y+1/2, z+3/2; (iv) x+1/2, y+1/2, z+3/2; (v) x1, y, z.

Experimental details

Crystal data
Chemical formulaC13H7N5O3·C2H6O
Mr327.30
Crystal system, space groupMonoclinic, P21/n
Temperature (K)298
a, b, c (Å)13.079 (3), 14.764 (4), 16.693 (4)
β (°) 90.923 (4)
V3)3223.0 (14)
Z8
Radiation typeMo Kα
µ (mm1)0.10
Crystal size (mm)0.45 × 0.36 × 0.31
Data collection
DiffractometerBruker SMART CCD area-detector
Absorption correctionMulti-scan
(SADABS; Sheldrick, 1996)
Tmin, Tmax0.950, 0.962
No. of measured, independent and
observed [I > 2σ(I)] reflections
16780, 5690, 1952
Rint0.089
(sin θ/λ)max1)0.595
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.058, 0.124, 1.01
No. of reflections5690
No. of parameters465
No. of restraints160
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.38, 0.33

Computer programs: SMART (Bruker, 1998), SAINT (Bruker, 1999), SAINT, SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), SHELXTL (Bruker, 1999), SHELXTL.

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N9—H9A···O80.861.942.785 (5)166.7
C22—H22···O50.932.422.802 (19)104.2
N1—H1···O4i0.861.982.826 (4)169.6
N4—H4A···O7ii0.861.972.816 (4)169.0
N4—H4B···N8ii0.862.173.009 (5)164.2
C13—H13···O3ii0.932.323.228 (6)167.3
C25—H25···O3ii0.932.593.464 (7)157.5
N6—H6···O1iii0.861.982.830 (4)171.0
O8—H8···O1iii0.822.192.824 (4)134.8
N9—H9B···N3iv0.862.223.047 (5)162.7
O7—H7···O4v0.822.012.753 (4)149.6
Symmetry codes: (i) x+3/2, y1/2, z+3/2; (ii) x+1/2, y1/2, z+3/2; (iii) x+3/2, y+1/2, z+3/2; (iv) x+1/2, y+1/2, z+3/2; (v) x1, y, z.
 

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