organic compounds
Diethyl(hydroxy)ammonium 3-carboxybenzoate
aCollege of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China, and bAnalytical Center, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
*Correspondence e-mail: cchhyy@sina.cn
In the title molecular compound, C4H12NO+·C8H5O4−, the N,N-diethyl(hydroxy)ammonium cation (DTHA) is linked to the 3-carboxybenzoate anion (HBDL) by O—H⋯O and N—H⋯O hydrogen bonds with a graph-set motif R22(7). In the crystal, helical chains are formed by O—H⋯O hydrogen bonds, propagating along [010]. The is further stabilized by π–π interactions between inversion-related HBDL benzene rings [centroid–centroid distance = 3.900 (4) Å] and C—H⋯O interactions.
Related literature
For supramolecular structures comprising benzene-dicarboxylic acids, see: Karpova et al. (2004); Bourne et al. (2001); Jin et al. (2005); Dale et al. (2004); Shan et al. (2002); Yuge et al. (2006); Zhao et al. (2007). For graph-set analysis, see: Etter (1990); Bernstein et al. (1995).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Bruker, 2007); software used to prepare material for publication: SHELXL97.
Supporting information
https://doi.org/10.1107/S1600536810030746/su2200sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810030746/su2200Isup2.hkl
N,N-diethylhydroxylammine and benzene-1,3-dicarboxylic acid, in a molar ratio of 1:1, were mixed and dissolved in sufficient ethanol by heating to 373 K, at which point a clear solution resulted. The reaction mixture was then cooled slowly to room temperature. Crystals of the title compound were formed, collected and washed with ethanol.
All the H-atoms were included in calculate positions and treated as riding atoms: O-H = 0.82 Å, N-H = 0.91 Å, and C-H = 0.93, 0.96 and 0.97 Å, for CH(aromatic), CH(methyl) and CH(methylene), respectively. Uiso(H) = k × Ueq of the parent atom, where k = 1.5 for OH and methyl H-atoms and k = 1.2 for all other H-atoms.
Various supramolecular structures comprising benzene-dicarboxylic acids have been reported (Bourne et al., 2001; Shan et al., 2002; Karpova et al., 2004; Dale et al., 2004; Jin et al., 2005; Yuge et al., 2006; Zhao et al., 2007). Continuing our research on such compounds, the title compound was synthesized and its
is described herein.As shown in Fig. 1, the N,N-diethylhydroxylammonium cation (DTHA) is linked to the 3-carboxybenzoate anion (HBDL) by N1—H1···O1 and O5—H5···O2 hydrogen bonds (Table 1), which can be described in graph-set terminology as R22(7) (Bernstein et al., 1995). In the HBDL anion the COO- group is only slightly inclined to the phenyl ring, by 4.4 (4)/%. In contrast the dihedral angle between the phenyl ring and the COOH group is 11.8 (4)/%.
In the crystal molecules are linked by O4—H4···O1i (symmetry code: (i) 1-x, -1-y, -z) hydrogen bonds to form helical chains propagating in [010] (Table 1, Fig. 2). The hydrogen bond pattern can be described in graph-set terminology as C11(8)R22(7). The molecules are further associated by π–π interactions, involving the HBDL benzene rings related by an inversion center, with a centroid-to-centroid distance of 3.900 (4) Å. The structure is further stabilized by C-H···O contacts (Table 1).
For supramolecular structures comprising benzene-dicarboxylic acids, see: Karpova et al. (2004); Bourne et al. (2001); Jin et al. (2005); Dale et al. (2004); Shan et al. (2002); Yuge et al. (2006); Zhao et al. (2007). For graph-set analysis, see: Etter (1990); Bernstein et al. (1995).
Data collection: SMART (Bruker, 2007); cell
SAINT (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: SHELXTL (Bruker, 2007); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).C4H12NO+·C8H5O4− | F(000) = 544 |
Mr = 255.27 | Dx = 1.287 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 3574 reflections |
a = 9.535 (7) Å | θ = 2.1–25.0° |
b = 11.937 (9) Å | µ = 0.10 mm−1 |
c = 11.660 (9) Å | T = 273 K |
β = 96.959 (15)° | Block, colorless |
V = 1317.4 (17) Å3 | 0.34 × 0.15 × 0.14 mm |
Z = 4 |
Bruker SMART CCD area-detector diffractometer | 2317 independent reflections |
Radiation source: fine-focus sealed tube | 1912 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.029 |
phi and ω scans | θmax = 25.0°, θmin = 2.2° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −11→11 |
Tmin = 0.967, Tmax = 0.977 | k = −14→13 |
6749 measured reflections | l = −13→9 |
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)] = 0.075 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.203 | H-atom parameters constrained |
S = 1.19 | w = 1/[σ2(Fo2) + (0.0962P)2 + 0.4181P] where P = (Fo2 + 2Fc2)/3 |
2317 reflections | (Δ/σ)max < 0.001 |
167 parameters | Δρmax = 0.20 e Å−3 |
0 restraints | Δρmin = −0.26 e Å−3 |
C4H12NO+·C8H5O4− | V = 1317.4 (17) Å3 |
Mr = 255.27 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 9.535 (7) Å | µ = 0.10 mm−1 |
b = 11.937 (9) Å | T = 273 K |
c = 11.660 (9) Å | 0.34 × 0.15 × 0.14 mm |
β = 96.959 (15)° |
Bruker SMART CCD area-detector diffractometer | 2317 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 1912 reflections with I > 2σ(I) |
Tmin = 0.967, Tmax = 0.977 | Rint = 0.029 |
6749 measured reflections |
R[F2 > 2σ(F2)] = 0.075 | 0 restraints |
wR(F2) = 0.203 | H-atom parameters constrained |
S = 1.19 | Δρmax = 0.20 e Å−3 |
2317 reflections | Δρmin = −0.26 e Å−3 |
167 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 | ||
O2 | 0.8613 (3) | 0.64114 (19) | −0.0032 (2) | 0.0693 (8) | |
O3 | 0.4161 (3) | 0.39290 (18) | 0.2751 (2) | 0.0755 (9) | |
O4 | 0.4378 (2) | 0.22073 (16) | 0.2114 (2) | 0.0594 (7) | |
H4 | 0.3865 | 0.2064 | 0.2611 | 0.089* | |
C1 | 0.7731 (3) | 0.6172 (2) | 0.0625 (3) | 0.0418 (7) | |
C2 | 0.7101 (3) | 0.5018 (2) | 0.0565 (2) | 0.0358 (7) | |
C3 | 0.6177 (3) | 0.4682 (2) | 0.1322 (2) | 0.0363 (7) | |
H3 | 0.5928 | 0.5181 | 0.1876 | 0.044* | |
C4 | 0.5616 (3) | 0.3611 (2) | 0.1267 (2) | 0.0364 (7) | |
C5 | 0.5951 (3) | 0.2889 (2) | 0.0422 (3) | 0.0481 (8) | |
H5A | 0.5568 | 0.2172 | 0.0373 | 0.058* | |
C6 | 0.6849 (4) | 0.3223 (3) | −0.0350 (3) | 0.0555 (9) | |
H6 | 0.7061 | 0.2734 | −0.0926 | 0.067* | |
C7 | 0.7434 (3) | 0.4276 (2) | −0.0276 (3) | 0.0483 (8) | |
H7 | 0.8056 | 0.4492 | −0.0791 | 0.058* | |
C8 | 0.4642 (3) | 0.3282 (2) | 0.2117 (3) | 0.0429 (7) | |
O1 | 0.7347 (2) | 0.68498 (17) | 0.13536 (19) | 0.0534 (6) | |
O5 | 0.9635 (3) | 0.83592 (18) | 0.0383 (2) | 0.0613 (7) | |
H5 | 0.9340 | 0.7740 | 0.0166 | 0.092* | |
N1 | 0.8850 (3) | 0.8758 (2) | 0.1251 (2) | 0.0504 (7) | |
H1 | 0.8150 | 0.8258 | 0.1335 | 0.060* | |
C9 | 1.0396 (4) | 0.7722 (4) | 0.2759 (4) | 0.0870 (13) | |
H9A | 0.9648 | 0.7224 | 0.2905 | 0.130* | |
H9B | 1.1032 | 0.7821 | 0.3456 | 0.130* | |
H9C | 1.0900 | 0.7410 | 0.2170 | 0.130* | |
C10 | 0.9787 (4) | 0.8832 (3) | 0.2364 (3) | 0.0697 (11) | |
H10A | 0.9251 | 0.9130 | 0.2951 | 0.084* | |
H10B | 1.0551 | 0.9349 | 0.2277 | 0.084* | |
C11 | 0.7195 (5) | 0.9731 (4) | −0.0227 (4) | 0.0870 (13) | |
H11A | 0.7696 | 0.9443 | −0.0830 | 0.131* | |
H11B | 0.6806 | 1.0452 | −0.0450 | 0.131* | |
H11C | 0.6446 | 0.9226 | −0.0101 | 0.131* | |
C12 | 0.8190 (4) | 0.9843 (3) | 0.0861 (3) | 0.0635 (10) | |
H12A | 0.8927 | 1.0374 | 0.0735 | 0.076* | |
H12B | 0.7680 | 1.0141 | 0.1465 | 0.076* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O2 | 0.0955 (18) | 0.0479 (14) | 0.0763 (17) | −0.0257 (12) | 0.0577 (15) | −0.0171 (12) |
O3 | 0.106 (2) | 0.0381 (13) | 0.097 (2) | −0.0105 (12) | 0.0701 (17) | −0.0130 (12) |
O4 | 0.0767 (17) | 0.0336 (12) | 0.0770 (18) | −0.0074 (10) | 0.0459 (13) | −0.0033 (10) |
C1 | 0.0488 (17) | 0.0335 (16) | 0.0462 (17) | 0.0001 (13) | 0.0186 (14) | −0.0018 (13) |
C2 | 0.0364 (14) | 0.0309 (15) | 0.0406 (16) | 0.0006 (11) | 0.0072 (12) | 0.0016 (12) |
C3 | 0.0409 (15) | 0.0283 (15) | 0.0414 (16) | 0.0034 (11) | 0.0123 (12) | −0.0022 (12) |
C4 | 0.0360 (14) | 0.0310 (15) | 0.0432 (16) | 0.0028 (11) | 0.0085 (12) | 0.0016 (12) |
C5 | 0.0527 (18) | 0.0322 (16) | 0.063 (2) | −0.0059 (13) | 0.0199 (15) | −0.0078 (14) |
C6 | 0.072 (2) | 0.0399 (18) | 0.061 (2) | −0.0105 (15) | 0.0341 (17) | −0.0197 (15) |
C7 | 0.0584 (19) | 0.0402 (17) | 0.0521 (19) | −0.0041 (14) | 0.0293 (15) | −0.0060 (14) |
C8 | 0.0490 (17) | 0.0308 (16) | 0.0515 (18) | −0.0005 (13) | 0.0168 (14) | −0.0026 (13) |
O1 | 0.0594 (13) | 0.0350 (12) | 0.0728 (15) | −0.0094 (10) | 0.0364 (12) | −0.0134 (10) |
O5 | 0.0832 (17) | 0.0478 (14) | 0.0618 (15) | −0.0209 (12) | 0.0448 (13) | −0.0137 (11) |
N1 | 0.0623 (17) | 0.0404 (15) | 0.0540 (16) | −0.0215 (12) | 0.0296 (13) | −0.0096 (12) |
C9 | 0.077 (3) | 0.115 (4) | 0.069 (3) | 0.006 (3) | 0.011 (2) | 0.003 (3) |
C10 | 0.077 (3) | 0.079 (3) | 0.055 (2) | −0.024 (2) | 0.0163 (19) | −0.0136 (19) |
C11 | 0.099 (3) | 0.068 (3) | 0.093 (3) | −0.009 (2) | 0.007 (3) | 0.007 (2) |
C12 | 0.083 (2) | 0.0390 (19) | 0.075 (2) | −0.0208 (17) | 0.035 (2) | −0.0081 (16) |
O2—C1 | 1.238 (3) | O5—N1 | 1.412 (3) |
O3—C8 | 1.198 (3) | O5—H5 | 0.8200 |
O4—C8 | 1.307 (4) | N1—C10 | 1.486 (5) |
O4—H4 | 0.8200 | N1—C12 | 1.487 (5) |
C1—O1 | 1.259 (3) | N1—H1 | 0.9100 |
C1—C2 | 1.502 (4) | C9—C10 | 1.496 (6) |
C2—C3 | 1.380 (4) | C9—H9A | 0.9600 |
C2—C7 | 1.386 (4) | C9—H9B | 0.9600 |
C3—C4 | 1.384 (4) | C9—H9C | 0.9600 |
C3—H3 | 0.9300 | C10—H10A | 0.9700 |
C4—C5 | 1.375 (4) | C10—H10B | 0.9700 |
C4—C8 | 1.491 (4) | C11—C12 | 1.495 (6) |
C5—C6 | 1.374 (4) | C11—H11A | 0.9600 |
C5—H5A | 0.9300 | C11—H11B | 0.9600 |
C6—C7 | 1.374 (4) | C11—H11C | 0.9600 |
C6—H6 | 0.9300 | C12—H12A | 0.9700 |
C7—H7 | 0.9300 | C12—H12B | 0.9700 |
C8—O4—H4 | 109.5 | C10—N1—C12 | 113.8 (3) |
O2—C1—O1 | 123.0 (3) | O5—N1—H1 | 108.4 |
O2—C1—C2 | 118.7 (2) | C10—N1—H1 | 108.4 |
O1—C1—C2 | 118.3 (2) | C12—N1—H1 | 108.4 |
C3—C2—C7 | 119.1 (3) | C10—C9—H9A | 109.5 |
C3—C2—C1 | 121.3 (2) | C10—C9—H9B | 109.5 |
C7—C2—C1 | 119.6 (2) | H9A—C9—H9B | 109.5 |
C2—C3—C4 | 120.8 (3) | C10—C9—H9C | 109.5 |
C2—C3—H3 | 119.6 | H9A—C9—H9C | 109.5 |
C4—C3—H3 | 119.6 | H9B—C9—H9C | 109.5 |
C5—C4—C3 | 119.3 (3) | N1—C10—C9 | 112.7 (3) |
C5—C4—C8 | 121.9 (3) | N1—C10—H10A | 109.0 |
C3—C4—C8 | 118.8 (2) | C9—C10—H10A | 109.0 |
C6—C5—C4 | 120.3 (3) | N1—C10—H10B | 109.0 |
C6—C5—H5A | 119.8 | C9—C10—H10B | 109.0 |
C4—C5—H5A | 119.8 | H10A—C10—H10B | 107.8 |
C7—C6—C5 | 120.3 (3) | C12—C11—H11A | 109.5 |
C7—C6—H6 | 119.8 | C12—C11—H11B | 109.5 |
C5—C6—H6 | 119.8 | H11A—C11—H11B | 109.5 |
C6—C7—C2 | 120.2 (3) | C12—C11—H11C | 109.5 |
C6—C7—H7 | 119.9 | H11A—C11—H11C | 109.5 |
C2—C7—H7 | 119.9 | H11B—C11—H11C | 109.5 |
O3—C8—O4 | 123.1 (3) | N1—C12—C11 | 112.5 (3) |
O3—C8—C4 | 123.8 (3) | N1—C12—H12A | 109.1 |
O4—C8—C4 | 113.1 (2) | C11—C12—H12A | 109.1 |
N1—O5—H5 | 109.5 | N1—C12—H12B | 109.1 |
O5—N1—C10 | 109.4 (3) | C11—C12—H12B | 109.1 |
O5—N1—C12 | 108.4 (2) | H12A—C12—H12B | 107.8 |
O2—C1—C2—C3 | 176.0 (3) | C5—C6—C7—C2 | −1.3 (5) |
O1—C1—C2—C3 | −3.1 (4) | C3—C2—C7—C6 | 0.1 (5) |
O2—C1—C2—C7 | −4.8 (4) | C1—C2—C7—C6 | −179.1 (3) |
O1—C1—C2—C7 | 176.0 (3) | C5—C4—C8—O3 | −168.5 (3) |
C7—C2—C3—C4 | 1.6 (4) | C3—C4—C8—O3 | 10.4 (4) |
C1—C2—C3—C4 | −179.2 (3) | C5—C4—C8—O4 | 12.4 (4) |
C2—C3—C4—C5 | −2.1 (4) | C3—C4—C8—O4 | −168.7 (3) |
C2—C3—C4—C8 | 178.9 (2) | O5—N1—C10—C9 | −60.7 (4) |
C3—C4—C5—C6 | 0.9 (4) | C12—N1—C10—C9 | 177.9 (3) |
C8—C4—C5—C6 | 179.8 (3) | O5—N1—C12—C11 | 61.2 (4) |
C4—C5—C6—C7 | 0.8 (5) | C10—N1—C12—C11 | −176.9 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1···O1 | 0.91 | 1.85 | 2.702 (4) | 155 |
O5—H5···O2 | 0.82 | 1.74 | 2.545 (4) | 169 |
O4—H4···O1i | 0.82 | 1.79 | 2.606 (4) | 175 |
C10—H10A···O2ii | 0.97 | 2.58 | 3.373 (5) | 139 |
C12—H12A···O5iii | 0.97 | 2.51 | 3.426 (5) | 157 |
C12—H12B···O3iv | 0.97 | 2.53 | 3.117 (5) | 119 |
Symmetry codes: (i) −x+1, y−1/2, −z+1/2; (ii) x, −y+3/2, z+1/2; (iii) −x+2, −y+2, −z; (iv) −x+1, y+1/2, −z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C4H12NO+·C8H5O4− |
Mr | 255.27 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 273 |
a, b, c (Å) | 9.535 (7), 11.937 (9), 11.660 (9) |
β (°) | 96.959 (15) |
V (Å3) | 1317.4 (17) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.10 |
Crystal size (mm) | 0.34 × 0.15 × 0.14 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.967, 0.977 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6749, 2317, 1912 |
Rint | 0.029 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.075, 0.203, 1.19 |
No. of reflections | 2317 |
No. of parameters | 167 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.20, −0.26 |
Computer programs: SMART (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Bruker, 2007).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1···O1 | 0.91 | 1.85 | 2.702 (4) | 155 |
O5—H5···O2 | 0.82 | 1.74 | 2.545 (4) | 169 |
O4—H4···O1i | 0.82 | 1.79 | 2.606 (4) | 175 |
C10—H10A···O2ii | 0.97 | 2.58 | 3.373 (5) | 139 |
C12—H12A···O5iii | 0.97 | 2.51 | 3.426 (5) | 157 |
C12—H12B···O3iv | 0.97 | 2.53 | 3.117 (5) | 119 |
Symmetry codes: (i) −x+1, y−1/2, −z+1/2; (ii) x, −y+3/2, z+1/2; (iii) −x+2, −y+2, −z; (iv) −x+1, y+1/2, −z+1/2. |
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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.
Various supramolecular structures comprising benzene-dicarboxylic acids have been reported (Bourne et al., 2001; Shan et al., 2002; Karpova et al., 2004; Dale et al., 2004; Jin et al., 2005; Yuge et al., 2006; Zhao et al., 2007). Continuing our research on such compounds, the title compound was synthesized and its crystal structure is described herein.
As shown in Fig. 1, the N,N-diethylhydroxylammonium cation (DTHA) is linked to the 3-carboxybenzoate anion (HBDL) by N1—H1···O1 and O5—H5···O2 hydrogen bonds (Table 1), which can be described in graph-set terminology as R22(7) (Bernstein et al., 1995). In the HBDL anion the COO- group is only slightly inclined to the phenyl ring, by 4.4 (4)/%. In contrast the dihedral angle between the phenyl ring and the COOH group is 11.8 (4)/%.
In the crystal molecules are linked by O4—H4···O1i (symmetry code: (i) 1-x, -1-y, -z) hydrogen bonds to form helical chains propagating in [010] (Table 1, Fig. 2). The hydrogen bond pattern can be described in graph-set terminology as C11(8)R22(7). The molecules are further associated by π–π interactions, involving the HBDL benzene rings related by an inversion center, with a centroid-to-centroid distance of 3.900 (4) Å. The structure is further stabilized by C-H···O contacts (Table 1).