organic compounds
2-Hydroxypyridinium p-toluenesulfonate
aOrdered Matter Science Research Center, Southeast University, Nanjing 211189, People's Republic of China
*Correspondence e-mail: jinyunihao@yahoo.cn
In the title molecular salt, C5H6NO+·C7H7O3S−, the cations and anions are connected by N—H⋯O and O—H⋯O hydrogen bonds, forming [100] chains.
Related literature
For general background on ferroelectric frameworks, see: Zhang et al. (2008, 2009, 2010). For related salts containing p-toluenesulfonate anions, see: Helvenston et al. (2006); Collier et al. (2006); Koshima et al. (2001).
Experimental
Crystal data
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Refinement
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Data collection: CrystalClear (Rigaku, 2005); cell CrystalClear; data reduction: CrystalClear; 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: SHELXL97.
Supporting information
10.1107/S1600536812019873/bh2431sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812019873/bh2431Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812019873/bh2431Isup3.cml
C5H6ON+.C7H7O3S- was formed from a mixture of C5H5ON (95.1 mg, 1.00 mmol), C7H7SO3H (172 mg, 1.00 mmol), and distilled water (5 mL), which was stirred a few minutes at room temperature, giving a clear transparent solution. After evaporation for a few days, block colourless crystals suitable for X-ray diffraction were obtained in about 71% yield and filtered and washed with distilled water.
H atoms bound to C and N atoms were placed at idealized positions [C—H = 0.93–0.96 Å, N—H = 0.86 Å] and allowed to ride on their parent atoms with Uiso = 1.5 Ueq(C1) for the methyl group and Uiso = 1.2 Ueq(carrier atom) otherwise. Hydroxyl H atom was found in a difference map and refined freely.
Data collection: CrystalClear (Rigaku, 2005); cell
CrystalClear (Rigaku, 2005); data reduction: CrystalClear (Rigaku, 2005); 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: SHELXL97 (Sheldrick, 2008).C5H6NO+·C7H7O3S− | F(000) = 1120 |
Mr = 267.29 | Dx = 1.516 Mg m−3 |
Orthorhombic, Pbca | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ac 2ab | Cell parameters from 3450 reflections |
a = 10.293 (2) Å | θ = 6.2–55.3° |
b = 14.484 (3) Å | µ = 0.28 mm−1 |
c = 15.708 (3) Å | T = 293 K |
V = 2341.8 (8) Å3 | Block, colourless |
Z = 8 | 0.3 × 0.3 × 0.2 mm |
Rigaku Mercury CCD diffractometer | 2688 independent reflections |
Radiation source: fine-focus sealed tube | 2239 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.075 |
ω scans | θmax = 27.5°, θmin = 3.1° |
Absorption correction: multi-scan (CrystalClear; Rigaku, 2005) | h = −13→13 |
Tmin = 0.489, Tmax = 1.000 | k = −18→18 |
23178 measured reflections | l = −20→20 |
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)] = 0.046 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.111 | w = 1/[σ2(Fo2) + (0.0362P)2 + 1.2062P] where P = (Fo2 + 2Fc2)/3 |
S = 1.09 | (Δ/σ)max < 0.001 |
2688 reflections | Δρmax = 0.26 e Å−3 |
169 parameters | Δρmin = −0.41 e Å−3 |
0 restraints | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
0 constraints | Extinction coefficient: 0.0347 (16) |
Primary atom site location: structure-invariant direct methods |
C5H6NO+·C7H7O3S− | V = 2341.8 (8) Å3 |
Mr = 267.29 | Z = 8 |
Orthorhombic, Pbca | Mo Kα radiation |
a = 10.293 (2) Å | µ = 0.28 mm−1 |
b = 14.484 (3) Å | T = 293 K |
c = 15.708 (3) Å | 0.3 × 0.3 × 0.2 mm |
Rigaku Mercury CCD diffractometer | 2688 independent reflections |
Absorption correction: multi-scan (CrystalClear; Rigaku, 2005) | 2239 reflections with I > 2σ(I) |
Tmin = 0.489, Tmax = 1.000 | Rint = 0.075 |
23178 measured reflections |
R[F2 > 2σ(F2)] = 0.046 | 0 restraints |
wR(F2) = 0.111 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.09 | Δρmax = 0.26 e Å−3 |
2688 reflections | Δρmin = −0.41 e Å−3 |
169 parameters |
x | y | z | Uiso*/Ueq | ||
C1 | 0.5889 (2) | 0.09901 (16) | 0.81599 (13) | 0.0461 (6) | |
H1A | 0.6382 | 0.0453 | 0.8315 | 0.069* | |
H1B | 0.4989 | 0.0890 | 0.8291 | 0.069* | |
H1C | 0.6203 | 0.1514 | 0.8473 | 0.069* | |
C2 | 0.6034 (2) | 0.11654 (13) | 0.72297 (12) | 0.0322 (4) | |
C3 | 0.5108 (2) | 0.08731 (14) | 0.66618 (13) | 0.0356 (5) | |
H3 | 0.4365 | 0.0580 | 0.6862 | 0.043* | |
C4 | 0.52611 (19) | 0.10060 (14) | 0.58087 (12) | 0.0335 (5) | |
H4 | 0.4625 | 0.0804 | 0.5431 | 0.040* | |
C5 | 0.63523 (18) | 0.14370 (13) | 0.55080 (12) | 0.0277 (4) | |
C6 | 0.72725 (19) | 0.17508 (14) | 0.60638 (12) | 0.0318 (4) | |
H6 | 0.8007 | 0.2055 | 0.5863 | 0.038* | |
C7 | 0.7102 (2) | 0.16122 (13) | 0.69220 (13) | 0.0342 (5) | |
H7 | 0.7728 | 0.1827 | 0.7301 | 0.041* | |
C8 | 0.53344 (18) | 0.14460 (13) | 0.19333 (12) | 0.0309 (4) | |
C9 | 0.65239 (19) | 0.10354 (14) | 0.20266 (13) | 0.0352 (5) | |
H9 | 0.6890 | 0.0961 | 0.2564 | 0.042* | |
C10 | 0.7158 (2) | 0.07393 (14) | 0.13220 (14) | 0.0401 (5) | |
H10 | 0.7970 | 0.0464 | 0.1378 | 0.048* | |
C11 | 0.6624 (2) | 0.08387 (17) | 0.05305 (14) | 0.0446 (5) | |
H11 | 0.7052 | 0.0622 | 0.0049 | 0.054* | |
C12 | 0.5470 (2) | 0.12556 (16) | 0.04656 (14) | 0.0424 (5) | |
H12 | 0.5097 | 0.1342 | −0.0068 | 0.051* | |
N1 | 0.48537 (16) | 0.15481 (12) | 0.11587 (10) | 0.0344 (4) | |
H1D | 0.4112 | 0.1814 | 0.1101 | 0.041* | |
O1 | 0.45846 (14) | 0.17554 (12) | 0.25338 (10) | 0.0446 (4) | |
H1 | 0.498 (3) | 0.167 (2) | 0.303 (2) | 0.095 (12)* | |
O2 | 0.53381 (14) | 0.17679 (12) | 0.40618 (9) | 0.0477 (4) | |
O3 | 0.70545 (15) | 0.06576 (10) | 0.41196 (9) | 0.0426 (4) | |
O4 | 0.75191 (14) | 0.22574 (10) | 0.42828 (8) | 0.0397 (4) | |
S1 | 0.65917 (5) | 0.15323 (3) | 0.44102 (3) | 0.03132 (18) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0660 (16) | 0.0449 (13) | 0.0273 (11) | −0.0031 (11) | 0.0006 (10) | −0.0002 (9) |
C2 | 0.0433 (11) | 0.0285 (10) | 0.0247 (9) | 0.0050 (8) | −0.0003 (8) | −0.0014 (7) |
C3 | 0.0343 (11) | 0.0397 (11) | 0.0326 (10) | −0.0038 (9) | 0.0056 (9) | −0.0006 (9) |
C4 | 0.0306 (10) | 0.0415 (11) | 0.0286 (10) | −0.0020 (8) | −0.0021 (8) | −0.0025 (9) |
C5 | 0.0277 (9) | 0.0317 (10) | 0.0238 (9) | 0.0053 (7) | 0.0003 (7) | −0.0008 (7) |
C6 | 0.0293 (10) | 0.0340 (10) | 0.0322 (10) | −0.0016 (8) | 0.0004 (8) | 0.0006 (8) |
C7 | 0.0358 (11) | 0.0358 (10) | 0.0310 (10) | −0.0011 (8) | −0.0075 (8) | −0.0037 (8) |
C8 | 0.0290 (10) | 0.0348 (10) | 0.0290 (10) | −0.0036 (8) | 0.0013 (8) | 0.0003 (8) |
C9 | 0.0335 (11) | 0.0398 (11) | 0.0321 (10) | 0.0004 (8) | −0.0045 (8) | 0.0026 (9) |
C10 | 0.0370 (11) | 0.0381 (11) | 0.0451 (12) | 0.0086 (9) | 0.0020 (9) | 0.0002 (10) |
C11 | 0.0507 (13) | 0.0492 (13) | 0.0338 (11) | 0.0092 (11) | 0.0069 (10) | −0.0043 (10) |
C12 | 0.0469 (13) | 0.0534 (13) | 0.0269 (10) | 0.0036 (10) | −0.0019 (9) | −0.0005 (10) |
N1 | 0.0289 (8) | 0.0432 (10) | 0.0309 (9) | 0.0013 (7) | −0.0033 (7) | 0.0022 (7) |
O1 | 0.0335 (8) | 0.0702 (11) | 0.0302 (8) | 0.0100 (7) | 0.0000 (6) | −0.0018 (8) |
O2 | 0.0349 (8) | 0.0804 (12) | 0.0276 (7) | 0.0126 (8) | −0.0024 (6) | 0.0046 (8) |
O3 | 0.0529 (9) | 0.0417 (9) | 0.0331 (8) | 0.0064 (7) | 0.0033 (7) | −0.0075 (6) |
O4 | 0.0386 (8) | 0.0428 (8) | 0.0377 (8) | 0.0030 (6) | 0.0099 (6) | 0.0051 (7) |
S1 | 0.0296 (3) | 0.0402 (3) | 0.0241 (3) | 0.0057 (2) | 0.00163 (18) | 0.0007 (2) |
C1—C2 | 1.491 (3) | C8—N1 | 1.322 (2) |
C1—H1A | 0.9600 | C8—C9 | 1.369 (3) |
C1—H1B | 0.9600 | C9—C10 | 1.355 (3) |
C1—H1C | 0.9600 | C9—H9 | 0.9300 |
C2—C7 | 1.364 (3) | C10—C11 | 1.367 (3) |
C2—C3 | 1.373 (3) | C10—H10 | 0.9300 |
C3—C4 | 1.363 (3) | C11—C12 | 1.336 (3) |
C3—H3 | 0.9300 | C11—H11 | 0.9300 |
C4—C5 | 1.369 (3) | C12—N1 | 1.330 (3) |
C4—H4 | 0.9300 | C12—H12 | 0.9300 |
C5—C6 | 1.366 (3) | N1—H1D | 0.8600 |
C5—S1 | 1.7474 (19) | O1—H1 | 0.89 (4) |
C6—C7 | 1.374 (3) | O2—S1 | 1.4425 (15) |
C6—H6 | 0.9300 | O3—S1 | 1.4284 (15) |
C7—H7 | 0.9300 | O4—S1 | 1.4333 (16) |
C8—O1 | 1.299 (2) | ||
C2—C1—H1A | 109.5 | O1—C8—C9 | 127.14 (19) |
C2—C1—H1B | 109.5 | N1—C8—C9 | 118.81 (18) |
H1A—C1—H1B | 109.5 | C10—C9—C8 | 118.75 (19) |
C2—C1—H1C | 109.5 | C10—C9—H9 | 120.6 |
H1A—C1—H1C | 109.5 | C8—C9—H9 | 120.6 |
H1B—C1—H1C | 109.5 | C9—C10—C11 | 121.1 (2) |
C7—C2—C3 | 118.42 (18) | C9—C10—H10 | 119.5 |
C7—C2—C1 | 120.61 (19) | C11—C10—H10 | 119.5 |
C3—C2—C1 | 120.97 (19) | C12—C11—C10 | 118.3 (2) |
C4—C3—C2 | 120.99 (19) | C12—C11—H11 | 120.8 |
C4—C3—H3 | 119.5 | C10—C11—H11 | 120.8 |
C2—C3—H3 | 119.5 | N1—C12—C11 | 120.4 (2) |
C3—C4—C5 | 119.90 (18) | N1—C12—H12 | 119.8 |
C3—C4—H4 | 120.0 | C11—C12—H12 | 119.8 |
C5—C4—H4 | 120.0 | C8—N1—C12 | 122.64 (18) |
C6—C5—C4 | 120.00 (18) | C8—N1—H1D | 118.7 |
C6—C5—S1 | 120.44 (15) | C12—N1—H1D | 118.7 |
C4—C5—S1 | 119.49 (15) | C8—O1—H1 | 109 (2) |
C5—C6—C7 | 119.34 (19) | O3—S1—O4 | 112.53 (9) |
C5—C6—H6 | 120.3 | O3—S1—O2 | 112.76 (10) |
C7—C6—H6 | 120.3 | O4—S1—O2 | 111.68 (10) |
C2—C7—C6 | 121.31 (18) | O3—S1—C5 | 107.00 (9) |
C2—C7—H7 | 119.3 | O4—S1—C5 | 106.83 (9) |
C6—C7—H7 | 119.3 | O2—S1—C5 | 105.48 (9) |
O1—C8—N1 | 114.05 (18) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O2 | 0.89 (4) | 1.66 (4) | 2.523 (2) | 160 (3) |
N1—H1D···O4i | 0.86 | 1.86 | 2.704 (2) | 166 |
O1—H1···S1 | 0.89 (4) | 2.73 (4) | 3.6139 (18) | 169 (3) |
N1—H1D···S1i | 0.86 | 2.75 | 3.4747 (18) | 143 |
Symmetry code: (i) x−1/2, y, −z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C5H6NO+·C7H7O3S− |
Mr | 267.29 |
Crystal system, space group | Orthorhombic, Pbca |
Temperature (K) | 293 |
a, b, c (Å) | 10.293 (2), 14.484 (3), 15.708 (3) |
V (Å3) | 2341.8 (8) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 0.28 |
Crystal size (mm) | 0.3 × 0.3 × 0.2 |
Data collection | |
Diffractometer | Rigaku Mercury CCD diffractometer |
Absorption correction | Multi-scan (CrystalClear; Rigaku, 2005) |
Tmin, Tmax | 0.489, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 23178, 2688, 2239 |
Rint | 0.075 |
(sin θ/λ)max (Å−1) | 0.649 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.046, 0.111, 1.09 |
No. of reflections | 2688 |
No. of parameters | 169 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.26, −0.41 |
Computer programs: CrystalClear (Rigaku, 2005), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···O2 | 0.89 (4) | 1.66 (4) | 2.523 (2) | 160 (3) |
N1—H1D···O4i | 0.86 | 1.86 | 2.704 (2) | 166.1 |
Symmetry code: (i) x−1/2, y, −z+1/2. |
Acknowledgements
The author thanks Southeast University for 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.
Several crystal structures of p-toluenesulfonate have been reported previously (Helvenston et al., 2006; Collier et al., 2006; Koshima et al., 2001). As an extension of this research, we report here the synthesis and the crystal structure of the title complex.
Until now, researchers have found that molecular motion can cause a rotation of the local structure to give rise to the formation of reversible structural phase transition from high-temperature disordered fashion to low temperature ordered fashion. Reversible structural phase transition is caused by many kinds of factors. Hydrogen-bonding interactions come to be the most common factor. Transition for hydrogen-bonding interactions from high-temperature disordered state to low temperature ordered state allows reversible structural phase transition. The compound reported here could have a tendency to hold such transition as a result of numerous hydrogen-bonding interactions in its crystal structure. The transition from the disordered arrangement to the ordered one gives rise to sharp change in the physical properties of these compounds. Only few compounds in which the components can be arranged in a disordered status at a relative high temperature and in an ordered one at a relative low temperature have been found until now (Zhang et al., 2008, 2009, 2010). As part of our search for simple ferroelectric compounds we have investigated the title compound and report its room temperature structure.
The asymmetric unit, containing one anion and one cation, is shown in Fig. 1 with the hydrogen bonds listed in Table 1. The compound remains stable as a result of the existence of numerous hydrogen-bonding interactions formed in the crystal. These interactions tie the cations and anions together in a complex spatial geometry (Fig. 2).