organic compounds
2-[(4-Methylbenzoyl)hydrazono]propionic acid monohydrate
aDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
*Correspondence e-mail: seikweng@um.edu.my
In the title compound, C11H12N2O3·H2O, the water molecule is a hydrogen-bond donor to the double-bond amide and the carbonyl O atoms of two acid molecules; it is also a hydrogen-bond acceptor to the acid –OH and amide –NH– groups. These hydrogen-bonding interactions give rise to a layer structure, with the layers parallel to the ab plane.
Related literature
The deprotonated anion of 2-aroylhydrazonopropionic acid furnishes a number of metal complexes; see, for example: Wu, Chen et al. (2006); Liu et al. (2007); Wu & Zeng (2007); Wu et al. (2006a,b); Yang et al. (2004); Yin & Chen (2006); Zhai et al. (2007).
Experimental
Crystal data
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Data collection
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Refinement
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Data collection: APEX2 (Bruker, 2007); cell APEX2; data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: publCIF (Westrip, 2009).
Supporting information
10.1107/S1600536809003067/cv2513sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809003067/cv2513Isup2.hkl
4-Toluihydrazide (1 g, 0.007 mol) and pyruvic acid (0.6 g, 0.007 mol) were dissolved in methanol (30 ml). The solution was heated for 3 h; slow evaporation of the solvent gave colorless crystals.
Carbon-bound H atoms were placed in calculated positions (C—H 0.93–0.99 Å) and were included in the
in the riding model approximation, with U(H) set to 1.2 to 1.5U(C). The methyl H atoms were rotated to fit the electron density.The oxygen- and nitrogen-bound H atoms were located in a difference Fourier map, and were refined with distance restraints [N—H 0.88 (2) and O—H 0.84 (2) Å]; their temperature factors were freely refined.
Data collection: APEX2 (Bruker, 2007); cell
APEX2 (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: publCIF (Westrip, 2009).Fig. 1. Displacement ellipsoids plot (Barbour, 2001) of the title compound at the 70% probability level. Hydrogen atoms are drawn as spheres of arbitrary radius. |
C11H12N2O3·H2O | F(000) = 252 |
Mr = 238.24 | Dx = 1.410 Mg m−3 |
Monoclinic, P21 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2yb | Cell parameters from 1743 reflections |
a = 6.8464 (1) Å | θ = 3.0–26.9° |
b = 11.9753 (2) Å | µ = 0.11 mm−1 |
c = 7.0005 (1) Å | T = 100 K |
β = 102.169 (1)° | Irregular block, colourless |
V = 561.06 (2) Å3 | 0.20 × 0.10 × 0.10 mm |
Z = 2 |
Bruker SMART APEX diffractometer | 1211 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.029 |
Graphite monochromator | θmax = 27.5°, θmin = 3.0° |
ω scans | h = −8→8 |
5272 measured reflections | k = −14→15 |
1335 independent reflections | l = −9→9 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.030 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.083 | w = 1/[σ2(Fo2) + (0.0559P)2 + 0.0248P] where P = (Fo2 + 2Fc2)/3 |
S = 1.02 | (Δ/σ)max = 0.001 |
1335 reflections | Δρmax = 0.19 e Å−3 |
172 parameters | Δρmin = −0.16 e Å−3 |
5 restraints | Absolute structure: 1126 Friedel pairs were merged |
Primary atom site location: structure-invariant direct methods |
C11H12N2O3·H2O | V = 561.06 (2) Å3 |
Mr = 238.24 | Z = 2 |
Monoclinic, P21 | Mo Kα radiation |
a = 6.8464 (1) Å | µ = 0.11 mm−1 |
b = 11.9753 (2) Å | T = 100 K |
c = 7.0005 (1) Å | 0.20 × 0.10 × 0.10 mm |
β = 102.169 (1)° |
Bruker SMART APEX diffractometer | 1211 reflections with I > 2σ(I) |
5272 measured reflections | Rint = 0.029 |
1335 independent reflections |
R[F2 > 2σ(F2)] = 0.030 | 5 restraints |
wR(F2) = 0.083 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.02 | Δρmax = 0.19 e Å−3 |
1335 reflections | Δρmin = −0.16 e Å−3 |
172 parameters | Absolute structure: 1126 Friedel pairs were merged |
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. |
x | y | z | Uiso*/Ueq | ||
O1 | 1.4450 (2) | 0.99988 (13) | 0.8798 (3) | 0.0255 (4) | |
O2 | 1.2160 (2) | 1.13156 (13) | 0.8463 (2) | 0.0269 (4) | |
O3 | 1.2831 (2) | 0.64501 (13) | 0.7200 (2) | 0.0260 (4) | |
O1W | 1.6032 (2) | 0.78718 (13) | 0.8663 (3) | 0.0251 (4) | |
N1 | 1.1624 (2) | 0.84748 (15) | 0.7821 (3) | 0.0192 (4) | |
N2 | 1.0279 (3) | 0.76060 (15) | 0.7458 (3) | 0.0202 (4) | |
C1 | 1.2584 (3) | 1.03349 (18) | 0.8395 (3) | 0.0204 (5) | |
C2 | 1.0961 (3) | 0.94692 (18) | 0.7861 (3) | 0.0183 (4) | |
C3 | 0.8847 (3) | 0.98625 (18) | 0.7447 (3) | 0.0232 (5) | |
H3A | 0.8131 | 0.9412 | 0.6686 | 0.035* | |
H3B | 0.8400 | 0.9951 | 0.8651 | 0.035* | |
H3C | 0.8754 | 1.0568 | 0.6777 | 0.035* | |
C4 | 1.1067 (3) | 0.65752 (18) | 0.7236 (3) | 0.0198 (4) | |
C5 | 0.9684 (3) | 0.56054 (18) | 0.7054 (3) | 0.0178 (4) | |
C6 | 0.7608 (3) | 0.5709 (2) | 0.6510 (3) | 0.0218 (4) | |
H6 | 0.7018 | 0.6422 | 0.6192 | 0.026* | |
C7 | 0.6408 (3) | 0.47675 (19) | 0.6437 (3) | 0.0231 (5) | |
H7 | 0.4998 | 0.4845 | 0.6067 | 0.028* | |
C8 | 0.7226 (3) | 0.37199 (18) | 0.6891 (3) | 0.0214 (5) | |
C9 | 0.9315 (3) | 0.3617 (2) | 0.7379 (3) | 0.0221 (5) | |
H9A | 0.9904 | 0.2901 | 0.7659 | 0.026* | |
C10 | 1.0524 (3) | 0.45480 (19) | 0.7457 (3) | 0.0202 (4) | |
H10 | 1.1936 | 0.4467 | 0.7787 | 0.024* | |
C11 | 0.5927 (3) | 0.27036 (19) | 0.6870 (4) | 0.0288 (5) | |
H11A | 0.6157 | 0.2411 | 0.7985 | 0.043* | |
H11B | 0.4542 | 0.2924 | 0.6689 | 0.043* | |
H11C | 0.6071 | 0.2211 | 0.5815 | 0.043* | |
H11 | 1.496 (3) | 0.755 (3) | 0.813 (5) | 0.059 (10)* | |
H12 | 1.653 (4) | 0.748 (2) | 0.963 (3) | 0.052 (10)* | |
H1 | 1.445 (5) | 0.9307 (9) | 0.867 (5) | 0.056 (11)* | |
H2 | 0.906 (2) | 0.773 (2) | 0.761 (4) | 0.031 (7)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0193 (8) | 0.0198 (9) | 0.0371 (10) | −0.0029 (6) | 0.0049 (7) | −0.0031 (7) |
O2 | 0.0234 (7) | 0.0182 (8) | 0.0384 (9) | −0.0001 (6) | 0.0047 (7) | −0.0028 (7) |
O3 | 0.0171 (7) | 0.0206 (8) | 0.0416 (9) | −0.0005 (6) | 0.0094 (6) | −0.0039 (7) |
O1W | 0.0205 (7) | 0.0208 (8) | 0.0331 (10) | −0.0018 (6) | 0.0036 (7) | 0.0028 (7) |
N1 | 0.0186 (9) | 0.0171 (9) | 0.0218 (9) | −0.0017 (7) | 0.0042 (7) | 0.0008 (7) |
N2 | 0.0139 (8) | 0.0165 (9) | 0.0301 (10) | −0.0001 (7) | 0.0048 (7) | −0.0012 (7) |
C1 | 0.0198 (10) | 0.0212 (11) | 0.0202 (11) | −0.0033 (8) | 0.0043 (8) | −0.0013 (8) |
C2 | 0.0167 (9) | 0.0179 (10) | 0.0209 (10) | −0.0012 (8) | 0.0054 (8) | −0.0004 (8) |
C3 | 0.0174 (10) | 0.0189 (11) | 0.0329 (13) | 0.0007 (8) | 0.0044 (9) | 0.0033 (9) |
C4 | 0.0200 (10) | 0.0186 (10) | 0.0207 (10) | −0.0004 (8) | 0.0041 (8) | 0.0004 (9) |
C5 | 0.0170 (10) | 0.0169 (10) | 0.0201 (10) | 0.0010 (8) | 0.0049 (8) | −0.0013 (8) |
C6 | 0.0205 (10) | 0.0204 (10) | 0.0240 (11) | 0.0024 (9) | 0.0036 (8) | −0.0003 (9) |
C7 | 0.0159 (10) | 0.0238 (11) | 0.0289 (12) | 0.0017 (9) | 0.0034 (8) | −0.0049 (9) |
C8 | 0.0225 (11) | 0.0216 (11) | 0.0211 (11) | −0.0046 (9) | 0.0068 (8) | −0.0057 (9) |
C9 | 0.0260 (11) | 0.0154 (10) | 0.0254 (11) | 0.0042 (9) | 0.0067 (9) | 0.0005 (8) |
C10 | 0.0160 (9) | 0.0214 (11) | 0.0226 (11) | 0.0021 (8) | 0.0030 (8) | −0.0004 (9) |
C11 | 0.0282 (11) | 0.0228 (12) | 0.0370 (14) | −0.0050 (10) | 0.0110 (10) | −0.0044 (10) |
O1—C1 | 1.312 (3) | C4—C5 | 1.487 (3) |
O1—H1 | 0.83 (2) | C5—C10 | 1.395 (3) |
O2—C1 | 1.213 (3) | C5—C6 | 1.397 (3) |
O3—C4 | 1.222 (2) | C6—C7 | 1.390 (3) |
O1W—H11 | 0.84 (2) | C6—H6 | 0.9500 |
O1W—H12 | 0.82 (2) | C7—C8 | 1.383 (3) |
N1—C2 | 1.277 (3) | C7—H7 | 0.9500 |
N1—N2 | 1.377 (2) | C8—C9 | 1.404 (3) |
N2—C4 | 1.369 (3) | C8—C11 | 1.506 (3) |
N2—H2 | 0.87 (2) | C9—C10 | 1.383 (3) |
C1—C2 | 1.508 (3) | C9—H9A | 0.9500 |
C2—C3 | 1.491 (3) | C10—H10 | 0.9500 |
C3—H3A | 0.8400 | C11—H11A | 0.8400 |
C3—H3B | 0.9620 | C11—H11B | 0.9663 |
C3—H3C | 0.9620 | C11—H11C | 0.9662 |
C1—O1—H1 | 108 (2) | C6—C5—C4 | 123.14 (19) |
H11—O1W—H12 | 106 (3) | C7—C6—C5 | 119.8 (2) |
C2—N1—N2 | 118.80 (17) | C7—C6—H6 | 120.1 |
C4—N2—N1 | 116.00 (17) | C5—C6—H6 | 120.1 |
C4—N2—H2 | 124.9 (19) | C8—C7—C6 | 121.34 (19) |
N1—N2—H2 | 118.1 (19) | C8—C7—H7 | 119.3 |
O2—C1—O1 | 121.2 (2) | C6—C7—H7 | 119.3 |
O2—C1—C2 | 120.35 (19) | C7—C8—C9 | 118.5 (2) |
O1—C1—C2 | 118.40 (18) | C7—C8—C11 | 121.41 (19) |
N1—C2—C3 | 128.72 (19) | C9—C8—C11 | 120.1 (2) |
N1—C2—C1 | 113.55 (17) | C10—C9—C8 | 120.6 (2) |
C3—C2—C1 | 117.73 (19) | C10—C9—H9A | 119.7 |
C2—C3—H3A | 109.5 | C8—C9—H9A | 119.7 |
C2—C3—H3B | 109.9 | C9—C10—C5 | 120.40 (18) |
H3A—C3—H3B | 112.0 | C9—C10—H10 | 119.8 |
C2—C3—H3C | 109.5 | C5—C10—H10 | 119.8 |
H3A—C3—H3C | 106.6 | C8—C11—H11A | 109.5 |
H3B—C3—H3C | 109.3 | C8—C11—H11B | 110.0 |
O3—C4—N2 | 121.82 (19) | H11A—C11—H11B | 102.8 |
O3—C4—C5 | 121.12 (19) | C8—C11—H11C | 110.2 |
N2—C4—C5 | 117.06 (17) | H11A—C11—H11C | 115.2 |
C10—C5—C6 | 119.3 (2) | H11B—C11—H11C | 108.8 |
C10—C5—C4 | 117.61 (17) | ||
C2—N1—N2—C4 | 173.5 (2) | N2—C4—C5—C6 | 20.0 (3) |
N2—N1—C2—C3 | −3.9 (3) | C10—C5—C6—C7 | 2.0 (3) |
N2—N1—C2—C1 | 176.43 (17) | C4—C5—C6—C7 | −177.78 (19) |
O2—C1—C2—N1 | 179.1 (2) | C5—C6—C7—C8 | −0.1 (3) |
O1—C1—C2—N1 | −1.5 (3) | C6—C7—C8—C9 | −1.8 (3) |
O2—C1—C2—C3 | −0.6 (3) | C6—C7—C8—C11 | 178.2 (2) |
O1—C1—C2—C3 | 178.78 (19) | C7—C8—C9—C10 | 1.8 (3) |
N1—N2—C4—O3 | −5.9 (3) | C11—C8—C9—C10 | −178.2 (2) |
N1—N2—C4—C5 | 173.67 (17) | C8—C9—C10—C5 | 0.1 (3) |
O3—C4—C5—C10 | 19.8 (3) | C6—C5—C10—C9 | −2.0 (3) |
N2—C4—C5—C10 | −159.73 (19) | C4—C5—C10—C9 | 177.77 (19) |
O3—C4—C5—C6 | −160.4 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O1W | 0.83 (2) | 2.03 (2) | 2.777 (2) | 149 (3) |
O1W—H11···O3 | 0.84 (2) | 1.97 (2) | 2.794 (2) | 165 (4) |
O1W—H12···O2i | 0.84 (2) | 2.00 (1) | 2.829 (2) | 168 (3) |
N2—H2···O1Wii | 0.87 (2) | 2.35 (1) | 3.210 (2) | 168 (3) |
Symmetry codes: (i) −x+3, y−1/2, −z+2; (ii) x−1, y, z. |
Experimental details
Crystal data | |
Chemical formula | C11H12N2O3·H2O |
Mr | 238.24 |
Crystal system, space group | Monoclinic, P21 |
Temperature (K) | 100 |
a, b, c (Å) | 6.8464 (1), 11.9753 (2), 7.0005 (1) |
β (°) | 102.169 (1) |
V (Å3) | 561.06 (2) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.11 |
Crystal size (mm) | 0.20 × 0.10 × 0.10 |
Data collection | |
Diffractometer | Bruker SMART APEX diffractometer |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 5272, 1335, 1211 |
Rint | 0.029 |
(sin θ/λ)max (Å−1) | 0.649 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.030, 0.083, 1.02 |
No. of reflections | 1335 |
No. of parameters | 172 |
No. of restraints | 5 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.19, −0.16 |
Absolute structure | 1126 Friedel pairs were merged |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), X-SEED (Barbour, 2001), publCIF (Westrip, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O1W | 0.83 (2) | 2.03 (2) | 2.777 (2) | 149 (3) |
O1W—H11···O3 | 0.84 (2) | 1.97 (2) | 2.794 (2) | 165 (4) |
O1W—H12···O2i | 0.84 (2) | 2.00 (1) | 2.829 (2) | 168 (3) |
N2—H2···O1Wii | 0.87 (2) | 2.35 (1) | 3.210 (2) | 168 (3) |
Symmetry codes: (i) −x+3, y−1/2, −z+2; (ii) x−1, y, z. |
Acknowledgements
The autors thank the University of Malaya (grant Nos. FS339/2008A and PS206/2008A) for supporting this study.
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