organic compounds
2-Amino-3-carboxypyrazin-1-ium nitrate monohydrate
aLaboratoire de Chimie Appliquée et Technologie des Matériaux, Université Larbi Ben M'Hidi, 04000 Oum El Bouaghi, Algeria, bDépartement Sciences de la Matière, Faculté des Sciences Exactes et Sciences de la Nature et de la Vie, Université Larbi Ben M'hidi, 04000 Oum El Bouaghi, Algeria, cUnité de Recherche de Chimie de l'Environnement et Moléculaire Structurale, CHEMS, Faculté des Sciences Exactes, Université Mentouri Constantine 25000, Algeria, and dCentre de Difractométrie X, UMR 6226 CNRS Unité Sciences Chimiques de Rennes, Université de Rennes I, 263 Avenue du général Leclerc, 35042 Rennes, France
*Correspondence e-mail: fadilaber@yahoo.fr
In 5H6N3O2+·NO3−·H2O, intermolecular N—H⋯O, O—H⋯N and O—H⋯O hydrogen bonds link the cations, anions and water molecules into ribbons extending in [10]. Weak intermolecular C—H⋯O hydrogen bonds further link these ribbons into sheets parallel to (3).
of the title compound, CRelated literature
For similar compounds, see: Berrah et al. (2005a,b); Bouacida et al. (2005, 2009); Dobson & Gerkin (1996). For hydrogen-bond graph-set motifs, see: Etter et al. (1990); Bernstein et al. (1995).
Experimental
Crystal data
|
Refinement
|
Data collection: APEX2 (Bruker, 2001); cell SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL97 (Sheldrick,2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997) and DIAMOND (Brandenburg & Berndt, 2001); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
10.1107/S1600536811003126/cv5043sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811003126/cv5043Isup2.hkl
The title compound was synthesized by reacting 3-amino-pyrazine 2- carboxylic acid with some excess of nitric acid in aqueous solution. Slow evaporation leads to well crystallized yellow needles.
H atoms of water molecule were located in difference Fourier map and included in the subsequent
with Uiso(H) = 1.5Ueq(O). The remaining H atoms were localized on Fourier maps but introduced in calculated positions and treated as riding on their parent atoms, with C—H = 0.95 Å, O—H = 0.84 Å and N—H = 0.88 Å, and with Uiso(H) = 1.2 Ueq(C or N) and Uiso(H = 1.5 Ueq(O).Data collection: APEX2 (Bruker, 2001); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL97 (Sheldrick,2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997) and DIAMOND (Brandenburg & Berndt, 2001); software used to prepare material for publication: WinGX (Farrugia, 1999).Fig. 1. Ortep-3 (Farrugia, 1997) view of (I) showing the atomic labelling scheme. Displacement ellipsoids are drawn at the 50% probability level. Hydrogen bonds are shown as dashed lines. | |
Fig. 2. DIAMOND (Brandenburg & Berndt, 2001) view of a portion of hydrogen-bonded sheet in (I) showing the graph set motif notations. Hydrogen bonds are shown as dashed lines. |
C5H6N3O2+·NO3−·H2O | Z = 2 |
Mr = 220.15 | F(000) = 228 |
Triclinic, P1 | Dx = 1.66 Mg m−3 |
a = 5.1277 (4) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 7.6368 (6) Å | Cell parameters from 2815 reflections |
c = 12.1571 (10) Å | θ = 2.8–27.5° |
α = 97.872 (3)° | µ = 0.15 mm−1 |
β = 100.588 (3)° | T = 150 K |
γ = 106.194 (3)° | Prism, yellow |
V = 440.37 (6) Å3 | 0.58 × 0.49 × 0.42 mm |
Bruker APEXII diffractometer | 1693 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.028 |
CCD rotation images, thin slices scans | θmax = 27.5°, θmin = 2.8° |
Absorption correction: multi-scan (SADABS; Sheldrick, 2002) | h = −6→6 |
Tmin = 0.773, Tmax = 0.938 | k = −9→9 |
5333 measured reflections | l = −15→15 |
1967 independent reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.036 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.097 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0451P)2 + 0.1681P] where P = (Fo2 + 2Fc2)/3 |
1967 reflections | (Δ/σ)max < 0.001 |
143 parameters | Δρmax = 0.36 e Å−3 |
0 restraints | Δρmin = −0.25 e Å−3 |
C5H6N3O2+·NO3−·H2O | γ = 106.194 (3)° |
Mr = 220.15 | V = 440.37 (6) Å3 |
Triclinic, P1 | Z = 2 |
a = 5.1277 (4) Å | Mo Kα radiation |
b = 7.6368 (6) Å | µ = 0.15 mm−1 |
c = 12.1571 (10) Å | T = 150 K |
α = 97.872 (3)° | 0.58 × 0.49 × 0.42 mm |
β = 100.588 (3)° |
Bruker APEXII diffractometer | 1967 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 2002) | 1693 reflections with I > 2σ(I) |
Tmin = 0.773, Tmax = 0.938 | Rint = 0.028 |
5333 measured reflections |
R[F2 > 2σ(F2)] = 0.036 | 0 restraints |
wR(F2) = 0.097 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.03 | Δρmax = 0.36 e Å−3 |
1967 reflections | Δρmin = −0.25 e Å−3 |
143 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
C1 | 0.3536 (3) | 0.81463 (18) | 0.56444 (11) | 0.0213 (3) | |
C2 | 0.5373 (3) | 0.93343 (17) | 0.67594 (11) | 0.0196 (3) | |
C3 | 0.5053 (3) | 1.11068 (18) | 0.71720 (11) | 0.0206 (3) | |
C4 | 0.8826 (3) | 1.14836 (19) | 0.87398 (11) | 0.0243 (3) | |
H4A | 1.0058 | 1.2218 | 0.9434 | 0.029* | |
C5 | 0.9034 (3) | 0.97938 (19) | 0.83049 (11) | 0.0239 (3) | |
H5 | 1.0420 | 0.9354 | 0.8702 | 0.029* | |
N1 | 0.4633 (3) | 1.60420 (16) | 0.88650 (10) | 0.0226 (3) | |
N2 | 0.3198 (3) | 1.18108 (16) | 0.66687 (11) | 0.0270 (3) | |
H2A | 0.3137 | 1.2905 | 0.6980 | 0.032* | |
H2B | 0.2019 | 1.1188 | 0.6021 | 0.032* | |
N3 | 0.6850 (2) | 1.20958 (15) | 0.81712 (10) | 0.0228 (3) | |
H3 | 0.6719 | 1.3181 | 0.8460 | 0.027* | |
N4 | 0.7294 (2) | 0.87393 (15) | 0.73168 (9) | 0.0219 (3) | |
O1 | 0.3992 (2) | 0.65591 (14) | 0.54062 (9) | 0.0303 (3) | |
H1 | 0.3004 | 0.5977 | 0.4759 | 0.045* | |
O2 | 0.1873 (2) | 0.86840 (14) | 0.50431 (9) | 0.0288 (3) | |
O3 | 0.4414 (2) | 1.75010 (14) | 0.93506 (9) | 0.0326 (3) | |
O4 | 0.6850 (2) | 1.56230 (14) | 0.91237 (9) | 0.0279 (3) | |
O5 | 0.2640 (2) | 1.49165 (15) | 0.80957 (9) | 0.0337 (3) | |
O1W | 0.8473 (3) | 0.53972 (18) | 0.65527 (11) | 0.0490 (4) | |
H1W | 0.979 (6) | 0.543 (4) | 0.704 (3) | 0.074* | |
H2W | 0.793 (6) | 0.637 (4) | 0.671 (2) | 0.074* |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0231 (6) | 0.0211 (6) | 0.0170 (6) | 0.0071 (5) | 0.0009 (5) | 0.0001 (5) |
C2 | 0.0215 (6) | 0.0196 (6) | 0.0156 (6) | 0.0051 (5) | 0.0021 (5) | 0.0017 (5) |
C3 | 0.0209 (6) | 0.0205 (6) | 0.0174 (6) | 0.0035 (5) | 0.0043 (5) | −0.0001 (5) |
C4 | 0.0246 (7) | 0.0254 (7) | 0.0157 (6) | 0.0011 (5) | 0.0002 (5) | 0.0009 (5) |
C5 | 0.0236 (7) | 0.0255 (7) | 0.0178 (6) | 0.0050 (5) | −0.0014 (5) | 0.0029 (5) |
N1 | 0.0265 (6) | 0.0208 (5) | 0.0185 (6) | 0.0066 (5) | 0.0036 (5) | 0.0014 (4) |
N2 | 0.0284 (6) | 0.0234 (6) | 0.0255 (6) | 0.0119 (5) | −0.0023 (5) | −0.0038 (5) |
N3 | 0.0253 (6) | 0.0195 (5) | 0.0189 (6) | 0.0049 (5) | 0.0017 (5) | −0.0029 (4) |
N4 | 0.0242 (6) | 0.0212 (5) | 0.0173 (6) | 0.0055 (5) | 0.0011 (4) | 0.0023 (4) |
O1 | 0.0380 (6) | 0.0252 (5) | 0.0214 (5) | 0.0159 (4) | −0.0088 (4) | −0.0075 (4) |
O2 | 0.0300 (5) | 0.0276 (5) | 0.0243 (5) | 0.0135 (4) | −0.0071 (4) | −0.0016 (4) |
O3 | 0.0406 (6) | 0.0231 (5) | 0.0337 (6) | 0.0116 (5) | 0.0108 (5) | −0.0023 (4) |
O4 | 0.0256 (5) | 0.0275 (5) | 0.0250 (5) | 0.0093 (4) | −0.0031 (4) | −0.0030 (4) |
O1W | 0.0619 (9) | 0.0472 (7) | 0.0308 (6) | 0.0396 (7) | −0.0220 (6) | −0.0188 (5) |
O5 | 0.0284 (6) | 0.0316 (6) | 0.0316 (6) | 0.0109 (4) | −0.0085 (4) | −0.0070 (4) |
C1—O2 | 1.2162 (17) | C5—H5 | 0.9500 |
C1—O1 | 1.3017 (16) | N1—O3 | 1.2314 (14) |
C1—C2 | 1.5050 (18) | N1—O4 | 1.2621 (15) |
C2—N4 | 1.3132 (17) | N1—O5 | 1.2635 (15) |
C2—C3 | 1.4420 (17) | N2—H2A | 0.8800 |
C3—N2 | 1.3150 (18) | N2—H2B | 0.8800 |
C3—N3 | 1.3580 (17) | N3—H3 | 0.8800 |
C4—N3 | 1.3488 (18) | O1—H1 | 0.8400 |
C4—C5 | 1.3663 (19) | O1W—H1W | 0.81 (3) |
C4—H4A | 0.9500 | O1W—H2W | 0.88 (3) |
C5—N4 | 1.3520 (17) | ||
O2—C1—O1 | 125.51 (12) | C4—C5—H5 | 119.6 |
O2—C1—C2 | 121.65 (11) | O3—N1—O4 | 121.00 (12) |
O1—C1—C2 | 112.82 (12) | O3—N1—O5 | 120.97 (12) |
N4—C2—C3 | 121.68 (12) | O4—N1—O5 | 118.02 (11) |
N4—C2—C1 | 118.46 (11) | C3—N2—H2A | 120.0 |
C3—C2—C1 | 119.83 (12) | C3—N2—H2B | 120.0 |
N2—C3—N3 | 118.84 (12) | H2A—N2—H2B | 120.0 |
N2—C3—C2 | 125.70 (12) | C4—N3—C3 | 122.72 (11) |
N3—C3—C2 | 115.46 (12) | C4—N3—H3 | 118.6 |
N3—C4—C5 | 119.16 (12) | C3—N3—H3 | 118.6 |
N3—C4—H4A | 120.4 | C2—N4—C5 | 120.09 (11) |
C5—C4—H4A | 120.4 | C1—O1—H1 | 109.5 |
N4—C5—C4 | 120.89 (13) | H1W—O1W—H2W | 110 (3) |
N4—C5—H5 | 119.6 | ||
O2—C1—C2—N4 | −174.02 (13) | N3—C4—C5—N4 | 0.1 (2) |
O1—C1—C2—N4 | 4.43 (18) | C5—C4—N3—C3 | −0.5 (2) |
O2—C1—C2—C3 | 4.1 (2) | N2—C3—N3—C4 | −179.55 (13) |
O1—C1—C2—C3 | −177.47 (12) | C2—C3—N3—C4 | 0.68 (19) |
N4—C2—C3—N2 | 179.80 (13) | C3—C2—N4—C5 | 0.1 (2) |
C1—C2—C3—N2 | 1.8 (2) | C1—C2—N4—C5 | 178.13 (12) |
N4—C2—C3—N3 | −0.45 (19) | C4—C5—N4—C2 | 0.1 (2) |
C1—C2—C3—N3 | −178.48 (11) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O1Wi | 0.84 | 1.69 | 2.5233 (17) | 168 |
O1W—H1W···O5ii | 0.80 (3) | 1.93 (3) | 2.7152 (18) | 167 (3) |
O1W—H2W···O1 | 0.88 (3) | 2.39 (3) | 2.8825 (19) | 116 (2) |
O1W—H2W···N4 | 0.88 (3) | 1.99 (3) | 2.8566 (18) | 170 (2) |
N2—H2A···O5 | 0.88 | 2.01 | 2.8549 (17) | 161 |
N2—H2B···O2 | 0.88 | 2.08 | 2.7163 (17) | 128 |
N2—H2B···O2iii | 0.88 | 2.20 | 2.9125 (18) | 137 |
N3—H3···O4 | 0.88 | 1.91 | 2.7825 (16) | 174 |
C4—H4A···O4iv | 0.95 | 2.24 | 3.1818 (17) | 169 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) x+1, y−1, z; (iii) −x, −y+2, −z+1; (iv) −x+2, −y+3, −z+2. |
Experimental details
Crystal data | |
Chemical formula | C5H6N3O2+·NO3−·H2O |
Mr | 220.15 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 150 |
a, b, c (Å) | 5.1277 (4), 7.6368 (6), 12.1571 (10) |
α, β, γ (°) | 97.872 (3), 100.588 (3), 106.194 (3) |
V (Å3) | 440.37 (6) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.15 |
Crystal size (mm) | 0.58 × 0.49 × 0.42 |
Data collection | |
Diffractometer | Bruker APEXII diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 2002) |
Tmin, Tmax | 0.773, 0.938 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 5333, 1967, 1693 |
Rint | 0.028 |
(sin θ/λ)max (Å−1) | 0.649 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.036, 0.097, 1.03 |
No. of reflections | 1967 |
No. of parameters | 143 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.36, −0.25 |
Computer programs: APEX2 (Bruker, 2001), SAINT (Bruker, 2001), SIR2002 (Burla et al., 2003), SHELXL97 (Sheldrick,2008), ORTEP-3 for Windows (Farrugia, 1997) and DIAMOND (Brandenburg & Berndt, 2001), WinGX (Farrugia, 1999).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O1Wi | 0.84 | 1.69 | 2.5233 (17) | 168 |
O1W—H1W···O5ii | 0.80 (3) | 1.93 (3) | 2.7152 (18) | 167 (3) |
O1W—H2W···O1 | 0.88 (3) | 2.39 (3) | 2.8825 (19) | 116 (2) |
O1W—H2W···N4 | 0.88 (3) | 1.99 (3) | 2.8566 (18) | 170 (2) |
N2—H2A···O5 | 0.88 | 2.01 | 2.8549 (17) | 161 |
N2—H2B···O2 | 0.88 | 2.08 | 2.7163 (17) | 128 |
N2—H2B···O2iii | 0.88 | 2.20 | 2.9125 (18) | 137 |
N3—H3···O4 | 0.88 | 1.91 | 2.7825 (16) | 174 |
C4—H4A···O4iv | 0.95 | 2.24 | 3.1818 (17) | 169 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) x+1, y−1, z; (iii) −x, −y+2, −z+1; (iv) −x+2, −y+3, −z+2. |
Acknowledgements
We are grateful to the LCATM Laboratory, Université Larbi Ben M'Hidi, Oum El Bouaghi, Algeria, for financial support.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
As a part of our search for new hybrid compounds based on protonated amines (Berrah et al. 2005a,b; Bouacida et al. 2005; 2009), we present the crystal structure of the title compound, (I).
The asymmetric unit of (I) contains one cation, one anion and one water molecule linked trough hydrogen bonds (Fig. 1). Bond distances and angles are similar to those encountered in analogous compounds (Berrah el al. 2005a,b; Dobson & Gerkin, 1996).
The crystal packing in the title structure can be described by considering sheets parallel to (-1-13) plane (Fig. 2). A sheet is an alternation of ribbons joined by a weak hyrogen bonds C4—H4···O4 and extended in direction [-110] (Fig. 2, Table 1). 3-Amino-pyrazinium 2-carboxylic acid cations, of the same ribbon, form centrosymetric dimers via N2—H2B···O2 hyrogen bonds. Each dimer is surrounded by two NO3- anions and four H2O molecules, and all its atoms (except C5) are involved in N—H···O, O—H···N and O—H···O H-bonds. While nitrate anions are only acceptor of H-bonds, water molecules are at the same time donor and acceptor (Table 1). The resulting 2D hydrogen-bonded network exhibit rings with R44(8), R24(10), R22(8), R33(10), R22(4) and R21(5) graph set motifs (Etter et al., 1990; Bernstein et al., 1995) (Fig. 2).