organic compounds
2-[4-(Carboxymethyl)phenoxy]acetic acid
aZhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, Zhejiang 321004, People's Republic of China
*Correspondence e-mail: wyh@zjnu.edu.cn
The title compound, C10H10O5, was obtained by the reaction of 4-hydroxyphenylacetic acid with chloroacetic acid. In the crystal, the molecules form a three-dimensional network by way of intermolecular O—H⋯O hydrogen bonding.
Related literature
For applications of metal-organic frameworks with carboxylic acid ligands, see: Kuppler et al. (2009); Jahan et al. (2010); Armelao et al. (2010); Yashima et al. (2009). The title compound was obtained by the reaction of 4-hydroxyphenylacetic (Gracin et al., 2005) and chloroacetic acid (Sandhu et al., 1991).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2006); cell SAINT (Bruker, 2006); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
https://doi.org/10.1107/S1600536810051810/ds2074sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810051810/ds2074Isup2.hkl
The solution of 4-hydroxyphenylacetic acid (1.522 g, 10.0 mmol) in water (10 ml) neutralized with NaOH (0.8 g, 20 mmol) was added to a 1:1 mixture of chloroacetic acid (3.78 g, 40 mmol) and NaOH (1.600 g, 40 mmol) with stirring to adjust the pH value of the mixture to ca 11 and refluxed at 90 0C for 3 h. The pH value was adjusted to 2–3 with concentrated hydrochloric acid. While cooling the mixture to room temperature, a white precipitate was appeared rapidly. The solid was filtrated, washed by water. Single crystals suitable for X-ray diffraction were obtained in the mother liquid after evaporation within a few days.
The
could not be refined to an acceptable value as the title compound is a poor anomalous scatterer even after using MOVE command in Shelxl97. Therefore, the Friedel oppostites were merged (using MERG 3 command in Shelxl97) and is not reported. H-atoms were positioned geometrically and included in the using a riding-model approximation [aromatic C–H = 0.93 Å, aliphatic C–H = 0.97 Å, O–H = 0.82 Å] with Uiso(H) = 1.2Ueq(C,O).Various aromatic carboxylic acid ligands are being used in designing versatile metal-organic frameworks (MOFs) having potential applications (Kuppler et al., 2009; Jahan et al., 2010; Armelao et al., 2010; Yashima et al., 2009). In present work, we report the synthesis and single
of a new aromatic dicarboxylic acid ligand namely 4-carboxymethoxy phenylacetic acid (I) containing two flexible carboxylic acid groups, obtained by the reaction of 4-hydroxyphenylacetic (Gracin et al., 2005) and chloroacetic acid (Sandhu et al., 1991).The molecular structure of the title compound is presented in Fig.1. The carboxymethoxy group is almost parallel to the benzene ring with a dihedral angle of 11.4 (1)° between the two least-squares planes,while the acetic acid unit is almost perpendicular to the benzene ring, making a dihedral angle of 72.4 (2)°.In addtion, the moleculars were linked by the intermolecular O—H···O hydrogen bonding forming a three-dimensional network (Fig.2).
For applications of metal-organic frameworks with carboxylic acid ligands, see: Kuppler et al. (2009); Jahan et al. (2010); Armelao et al. (2010); Yashima et al. (2009). The title compound was obtained by the reaction of 4-hydroxyphenylacetic (Gracin et al., 2005) and chloroacetic acid (Sandhu et al., 1991).
Data collection: APEX2 (Bruker, 2006); cell
SAINT (Bruker, 2006); data reduction: SAINT (Bruker, 2006); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C10H10O5 | F(000) = 440 |
Mr = 210.18 | Dx = 1.458 Mg m−3 |
Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2ac 2ab | Cell parameters from 6173 reflections |
a = 5.4640 (2) Å | θ = 2.3–27.7° |
b = 10.7798 (5) Å | µ = 0.12 mm−1 |
c = 16.2550 (7) Å | T = 296 K |
V = 957.43 (7) Å3 | Block, colourless |
Z = 4 | 0.42 × 0.38 × 0.31 mm |
Bruker APEXII area-detector diffractometer | 1315 independent reflections |
Radiation source: fine-focus sealed tube | 1162 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.049 |
phi and ω scans | θmax = 27.7°, θmin = 2.3° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −7→7 |
Tmin = 0.95, Tmax = 0.96 | k = −13→14 |
11814 measured reflections | l = −20→21 |
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)] = 0.037 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.099 | H-atom parameters constrained |
S = 1.07 | w = 1/[σ2(Fo2) + (0.0425P)2 + 0.2342P] where P = (Fo2 + 2Fc2)/3 |
1315 reflections | (Δ/σ)max < 0.001 |
136 parameters | Δρmax = 0.14 e Å−3 |
0 restraints | Δρmin = −0.19 e Å−3 |
C10H10O5 | V = 957.43 (7) Å3 |
Mr = 210.18 | Z = 4 |
Orthorhombic, P212121 | Mo Kα radiation |
a = 5.4640 (2) Å | µ = 0.12 mm−1 |
b = 10.7798 (5) Å | T = 296 K |
c = 16.2550 (7) Å | 0.42 × 0.38 × 0.31 mm |
Bruker APEXII area-detector diffractometer | 1315 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 1162 reflections with I > 2σ(I) |
Tmin = 0.95, Tmax = 0.96 | Rint = 0.049 |
11814 measured reflections |
R[F2 > 2σ(F2)] = 0.037 | 0 restraints |
wR(F2) = 0.099 | H-atom parameters constrained |
S = 1.07 | Δρmax = 0.14 e Å−3 |
1315 reflections | Δρmin = −0.19 e Å−3 |
136 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 | ||
O1 | 0.4626 (4) | 0.67278 (16) | 0.64905 (10) | 0.0651 (5) | |
O2 | 0.7484 (4) | 0.79234 (17) | 0.59564 (10) | 0.0645 (5) | |
H2 | 0.7132 | 0.8367 | 0.6349 | 0.077* | |
O3 | 0.4929 (3) | 0.51339 (14) | 0.52607 (9) | 0.0489 (4) | |
O4 | 0.8002 (3) | 0.06923 (15) | 0.22690 (11) | 0.0536 (4) | |
O5 | 0.6100 (4) | −0.00299 (16) | 0.33749 (9) | 0.0589 (5) | |
H5 | 0.7257 | −0.0515 | 0.3374 | 0.071* | |
C1 | 0.6127 (4) | 0.6927 (2) | 0.59700 (12) | 0.0440 (5) | |
C2 | 0.6695 (4) | 0.6081 (2) | 0.52593 (12) | 0.0443 (5) | |
H2A | 0.6632 | 0.6538 | 0.4746 | 0.053* | |
H2B | 0.8320 | 0.5731 | 0.5320 | 0.053* | |
C3 | 0.4856 (4) | 0.43389 (19) | 0.46020 (12) | 0.0401 (4) | |
C4 | 0.2906 (4) | 0.3526 (2) | 0.45967 (13) | 0.0449 (5) | |
H4A | 0.1741 | 0.3559 | 0.5013 | 0.054* | |
C5 | 0.2681 (4) | 0.2661 (2) | 0.39733 (13) | 0.0467 (5) | |
H5A | 0.1357 | 0.2119 | 0.3972 | 0.056* | |
C6 | 0.4405 (4) | 0.2592 (2) | 0.33498 (12) | 0.0427 (5) | |
C7 | 0.6354 (4) | 0.3416 (2) | 0.33640 (13) | 0.0457 (5) | |
H7A | 0.7520 | 0.3381 | 0.2948 | 0.055* | |
C8 | 0.6606 (4) | 0.4294 (2) | 0.39878 (12) | 0.0445 (5) | |
H8A | 0.7925 | 0.4839 | 0.3991 | 0.053* | |
C9 | 0.4187 (4) | 0.1613 (2) | 0.26811 (13) | 0.0502 (5) | |
H9A | 0.2651 | 0.1171 | 0.2741 | 0.060* | |
H9B | 0.4198 | 0.2009 | 0.2145 | 0.060* | |
C10 | 0.6279 (4) | 0.07182 (19) | 0.27412 (13) | 0.0431 (5) |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0757 (12) | 0.0593 (11) | 0.0602 (9) | −0.0208 (10) | 0.0218 (10) | −0.0149 (8) |
O2 | 0.0736 (12) | 0.0572 (10) | 0.0627 (10) | −0.0251 (10) | 0.0144 (10) | −0.0129 (8) |
O3 | 0.0598 (9) | 0.0426 (8) | 0.0444 (7) | −0.0102 (8) | 0.0096 (8) | −0.0050 (6) |
O4 | 0.0479 (8) | 0.0490 (9) | 0.0639 (9) | 0.0009 (8) | 0.0033 (8) | 0.0069 (8) |
O5 | 0.0625 (10) | 0.0639 (10) | 0.0503 (8) | 0.0177 (10) | 0.0026 (8) | 0.0099 (8) |
C1 | 0.0475 (11) | 0.0409 (10) | 0.0437 (10) | −0.0063 (10) | −0.0009 (10) | 0.0025 (9) |
C2 | 0.0446 (11) | 0.0461 (11) | 0.0423 (10) | −0.0056 (10) | 0.0009 (10) | 0.0003 (9) |
C3 | 0.0448 (10) | 0.0376 (9) | 0.0378 (9) | 0.0010 (9) | 0.0000 (9) | 0.0026 (8) |
C4 | 0.0447 (11) | 0.0452 (11) | 0.0448 (10) | −0.0008 (10) | 0.0034 (10) | 0.0012 (9) |
C5 | 0.0435 (11) | 0.0452 (11) | 0.0515 (11) | −0.0016 (10) | −0.0029 (10) | 0.0017 (9) |
C6 | 0.0436 (11) | 0.0428 (10) | 0.0416 (9) | 0.0092 (10) | −0.0067 (9) | 0.0012 (8) |
C7 | 0.0436 (11) | 0.0512 (12) | 0.0422 (10) | 0.0051 (10) | 0.0030 (9) | 0.0011 (9) |
C8 | 0.0412 (10) | 0.0465 (11) | 0.0457 (10) | −0.0023 (10) | 0.0002 (9) | 0.0018 (9) |
C9 | 0.0493 (12) | 0.0541 (12) | 0.0473 (11) | 0.0129 (11) | −0.0122 (10) | −0.0060 (10) |
C10 | 0.0455 (11) | 0.0389 (10) | 0.0451 (10) | 0.0010 (10) | −0.0084 (10) | −0.0040 (9) |
O1—C1 | 1.198 (3) | C4—C5 | 1.383 (3) |
O2—C1 | 1.305 (3) | C4—H4A | 0.9300 |
O2—H2 | 0.8200 | C5—C6 | 1.386 (3) |
O3—C3 | 1.372 (2) | C5—H5A | 0.9300 |
O3—C2 | 1.405 (3) | C6—C7 | 1.387 (3) |
O4—C10 | 1.215 (3) | C6—C9 | 1.519 (3) |
O5—C10 | 1.312 (3) | C7—C8 | 1.394 (3) |
O5—H5 | 0.8200 | C7—H7A | 0.9300 |
C1—C2 | 1.504 (3) | C8—H8A | 0.9300 |
C2—H2A | 0.9700 | C9—C10 | 1.499 (3) |
C2—H2B | 0.9700 | C9—H9A | 0.9700 |
C3—C4 | 1.380 (3) | C9—H9B | 0.9700 |
C3—C8 | 1.383 (3) | ||
C1—O2—H2 | 109.5 | C6—C5—H5A | 119.6 |
C3—O3—C2 | 118.19 (16) | C5—C6—C7 | 118.39 (19) |
C10—O5—H5 | 109.5 | C5—C6—C9 | 120.5 (2) |
O1—C1—O2 | 123.3 (2) | C7—C6—C9 | 121.11 (19) |
O1—C1—C2 | 125.1 (2) | C6—C7—C8 | 121.5 (2) |
O2—C1—C2 | 111.64 (18) | C6—C7—H7A | 119.2 |
O3—C2—C1 | 107.31 (17) | C8—C7—H7A | 119.2 |
O3—C2—H2A | 110.3 | C3—C8—C7 | 118.7 (2) |
C1—C2—H2A | 110.3 | C3—C8—H8A | 120.6 |
O3—C2—H2B | 110.3 | C7—C8—H8A | 120.6 |
C1—C2—H2B | 110.3 | C10—C9—C6 | 109.89 (17) |
H2A—C2—H2B | 108.5 | C10—C9—H9A | 109.7 |
O3—C3—C4 | 115.09 (18) | C6—C9—H9A | 109.7 |
O3—C3—C8 | 124.41 (19) | C10—C9—H9B | 109.7 |
C4—C3—C8 | 120.47 (19) | C6—C9—H9B | 109.7 |
C3—C4—C5 | 120.1 (2) | H9A—C9—H9B | 108.2 |
C3—C4—H4A | 119.9 | O4—C10—O5 | 122.6 (2) |
C5—C4—H4A | 119.9 | O4—C10—C9 | 124.4 (2) |
C4—C5—C6 | 120.8 (2) | O5—C10—C9 | 112.97 (19) |
C4—C5—H5A | 119.6 | ||
C3—O3—C2—C1 | 171.19 (18) | C5—C6—C7—C8 | 0.3 (3) |
O1—C1—C2—O3 | 8.2 (3) | C9—C6—C7—C8 | −178.2 (2) |
O2—C1—C2—O3 | −171.83 (18) | O3—C3—C8—C7 | 178.09 (19) |
C2—O3—C3—C4 | −172.77 (18) | C4—C3—C8—C7 | 0.2 (3) |
C2—O3—C3—C8 | 9.3 (3) | C6—C7—C8—C3 | −0.2 (3) |
O3—C3—C4—C5 | −178.35 (19) | C5—C6—C9—C10 | −114.2 (2) |
C8—C3—C4—C5 | −0.3 (3) | C7—C6—C9—C10 | 64.2 (3) |
C3—C4—C5—C6 | 0.4 (3) | C6—C9—C10—O4 | −106.1 (2) |
C4—C5—C6—C7 | −0.3 (3) | C6—C9—C10—O5 | 72.4 (2) |
C4—C5—C6—C9 | 178.15 (19) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O4i | 0.82 | 1.81 | 2.617 (2) | 168 |
O5—H5···O1ii | 0.82 | 1.85 | 2.666 (2) | 171 |
Symmetry codes: (i) −x+3/2, −y+1, z+1/2; (ii) x+1/2, −y+1/2, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C10H10O5 |
Mr | 210.18 |
Crystal system, space group | Orthorhombic, P212121 |
Temperature (K) | 296 |
a, b, c (Å) | 5.4640 (2), 10.7798 (5), 16.2550 (7) |
V (Å3) | 957.43 (7) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.12 |
Crystal size (mm) | 0.42 × 0.38 × 0.31 |
Data collection | |
Diffractometer | Bruker APEXII area-detector |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.95, 0.96 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 11814, 1315, 1162 |
Rint | 0.049 |
(sin θ/λ)max (Å−1) | 0.653 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.037, 0.099, 1.07 |
No. of reflections | 1315 |
No. of parameters | 136 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.14, −0.19 |
Computer programs: APEX2 (Bruker, 2006), SAINT (Bruker, 2006), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O4i | 0.82 | 1.81 | 2.617 (2) | 168 |
O5—H5···O1ii | 0.82 | 1.85 | 2.666 (2) | 171 |
Symmetry codes: (i) −x+3/2, −y+1, z+1/2; (ii) x+1/2, −y+1/2, −z+1. |
References
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Various aromatic carboxylic acid ligands are being used in designing versatile metal-organic frameworks (MOFs) having potential applications (Kuppler et al., 2009; Jahan et al., 2010; Armelao et al., 2010; Yashima et al., 2009). In present work, we report the synthesis and single crystal structure of a new aromatic dicarboxylic acid ligand namely 4-carboxymethoxy phenylacetic acid (I) containing two flexible carboxylic acid groups, obtained by the reaction of 4-hydroxyphenylacetic (Gracin et al., 2005) and chloroacetic acid (Sandhu et al., 1991).
The molecular structure of the title compound is presented in Fig.1. The carboxymethoxy group is almost parallel to the benzene ring with a dihedral angle of 11.4 (1)° between the two least-squares planes,while the acetic acid unit is almost perpendicular to the benzene ring, making a dihedral angle of 72.4 (2)°.In addtion, the moleculars were linked by the intermolecular O—H···O hydrogen bonding forming a three-dimensional network (Fig.2).