organic compounds
N-[2-(2-Chlorophenyl)-2-hydroxyethyl]propan-2-aminium 4-methylbenzoate
aCollege of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
*Correspondence e-mail: fenghai289289@163.com
The title compound, C11H17ClNO+·C8H7O2−, was obtained by the reaction of chlorprenaline {or 1-(2-chlorophenyl)-2-[(1-methylethyl)amino]ethanol} and p-toluic acid. The chlorprenaline is twisted moderately with a C—C—C—C torsion angle of 109.6 (2)°. The two molecules are linked by classical O—H⋯O and N—H⋯O hydrogen bonds. Further N—H⋯O hydrogen bonds link two of these units into dimers.
Related literature
For related structures, see: Feng et al. (2010); Takwale & Pant (1971); Tang et al. (2009a,b).
Experimental
Crystal data
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Refinement
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Data collection: PROCESS-AUTO (Rigaku/MSC, 2006); cell PROCESS-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
10.1107/S1600536810033878/rk2225sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536810033878/rk2225Isup2.hkl
Racemic chlorprenaline was prepared by chlorprenaline hydrochloride purchased from ShangHai Shengxin Medicine & Chemical Co., Ltd. ShangHai, China. Chlorprenaline hydrochloride and NaOH in a molar ratio of 1:1 were mixed and dissolved in a methanol–water solution (1:1 v/v). The precipitate formed was filtered off, washed with water and dried. It was used without further purification. Racemic chlorprenaline (0.5 g, 0.0023 mol) was dissolved in methanol (7 ml) and then p-toluylic acid (0.31 g, 0.0023 mol) was added.The mixture was dissovled by heating to 343 K where a clear solution resulted. The resulting solution was concentrated at ambient temperature. Colourless crystals of title compound separated from the solution in about 70% yield after one day.
All of the H atoms were placed in calculated positions and allowed to ride on their parent atoms at distances of 0.93Å (aromatic), 0.98Å (methine), 0.97Å (methylene), 0.96Å (methyl) 0.82Å (hydroxyl) and 0.90Å (amine), with Uiso(H) = 1.2–1.5 Ueq(parent atom).
Data collection: PROCESS-AUTO (Rigaku/MSC, 2006); cell
PROCESS-AUTO (Rigaku/MSC, 2006); data reduction: CrystalStructure (Rigaku/MSC, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).C11H17ClNO+·C8H7O2− | F(000) = 744 |
Mr = 349.84 | Dx = 1.237 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 17098 reflections |
a = 8.5966 (4) Å | θ = 3.0–27.4° |
b = 8.1288 (3) Å | µ = 0.22 mm−1 |
c = 26.8949 (12) Å | T = 296 K |
β = 91.600 (1)° | Chunk, colourless |
V = 1878.68 (14) Å3 | 0.37 × 0.30 × 0.22 mm |
Z = 4 |
Rigaku R-AXIS RAPID/ZJUG CCD diffractometer | 4271 independent reflections |
Radiation source: rotate anode | 2763 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.036 |
Detector resolution: 10.00 pixels mm-1 | θmax = 27.4°, θmin = 3.0° |
ϕ and ω scans | h = −11→11 |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | k = −10→9 |
Tmin = 0.913, Tmax = 0.953 | l = −34→34 |
27924 measured reflections |
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)] = 0.042 | H-atom parameters constrained |
wR(F2) = 0.125 | w = 1/[σ2(Fo2) + (0.0502P)2 + 0.6753P] where P = (Fo2 + 2Fc2)/3 |
S = 1.00 | (Δ/σ)max < 0.001 |
4271 reflections | Δρmax = 0.21 e Å−3 |
222 parameters | Δρmin = −0.31 e Å−3 |
0 restraints | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0084 (10) |
C11H17ClNO+·C8H7O2− | V = 1878.68 (14) Å3 |
Mr = 349.84 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 8.5966 (4) Å | µ = 0.22 mm−1 |
b = 8.1288 (3) Å | T = 296 K |
c = 26.8949 (12) Å | 0.37 × 0.30 × 0.22 mm |
β = 91.600 (1)° |
Rigaku R-AXIS RAPID/ZJUG CCD diffractometer | 4271 independent reflections |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | 2763 reflections with I > 2σ(I) |
Tmin = 0.913, Tmax = 0.953 | Rint = 0.036 |
27924 measured reflections |
R[F2 > 2σ(F2)] = 0.042 | 0 restraints |
wR(F2) = 0.125 | H-atom parameters constrained |
S = 1.00 | Δρmax = 0.21 e Å−3 |
4271 reflections | Δρmin = −0.31 e Å−3 |
222 parameters |
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'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 | ||
Cl1 | 0.29951 (9) | 0.54161 (7) | 0.65218 (2) | 0.0833 (2) | |
O1 | 0.27619 (16) | 0.21200 (19) | 0.53119 (5) | 0.0615 (4) | |
H101 | 0.2803 | 0.2754 | 0.5076 | 0.092* | |
O2 | 0.49211 (17) | 0.21720 (18) | 0.43539 (5) | 0.0619 (4) | |
N1 | 0.62036 (16) | 0.27020 (17) | 0.53021 (5) | 0.0420 (3) | |
H102 | 0.6383 | 0.3783 | 0.5348 | 0.050* | |
H103 | 0.5619 | 0.2592 | 0.5021 | 0.050* | |
C7 | 0.2495 (2) | 0.3348 (2) | 0.65680 (7) | 0.0541 (5) | |
C1 | 0.3646 (2) | 0.2763 (2) | 0.57188 (6) | 0.0440 (4) | |
H1 | 0.3678 | 0.3966 | 0.5696 | 0.053* | |
C2 | 0.2854 (2) | 0.2261 (2) | 0.61907 (6) | 0.0459 (4) | |
C8 | 0.5294 (2) | 0.2082 (2) | 0.57268 (6) | 0.0486 (4) | |
H8A | 0.5820 | 0.2392 | 0.6037 | 0.058* | |
H8B | 0.5252 | 0.0891 | 0.5713 | 0.058* | |
C9 | 0.7739 (2) | 0.1855 (3) | 0.52294 (8) | 0.0571 (5) | |
H9 | 0.7533 | 0.0726 | 0.5118 | 0.068* | |
C4 | 0.1703 (3) | 0.0101 (3) | 0.66772 (10) | 0.0788 (7) | |
H4 | 0.1439 | −0.1001 | 0.6714 | 0.095* | |
C6 | 0.1758 (3) | 0.2841 (3) | 0.69932 (8) | 0.0749 (7) | |
H6 | 0.1540 | 0.3592 | 0.7243 | 0.090* | |
C10 | 0.8567 (3) | 0.2759 (3) | 0.48204 (9) | 0.0744 (6) | |
H10A | 0.7901 | 0.2810 | 0.4528 | 0.112* | |
H10B | 0.9507 | 0.2186 | 0.4745 | 0.112* | |
H10C | 0.8817 | 0.3855 | 0.4930 | 0.112* | |
C3 | 0.2444 (2) | 0.0620 (3) | 0.62573 (8) | 0.0607 (5) | |
H3 | 0.2677 | −0.0143 | 0.6013 | 0.073* | |
C11 | 0.8699 (3) | 0.1785 (4) | 0.57050 (10) | 0.0913 (8) | |
H11A | 0.8804 | 0.2873 | 0.5841 | 0.137* | |
H11B | 0.9711 | 0.1353 | 0.5638 | 0.137* | |
H11C | 0.8196 | 0.1086 | 0.5939 | 0.137* | |
C5 | 0.1353 (3) | 0.1218 (3) | 0.70422 (9) | 0.0830 (8) | |
H5 | 0.0840 | 0.0871 | 0.7323 | 0.100* | |
O3 | 0.30804 (17) | 0.40215 (16) | 0.44986 (5) | 0.0589 (4) | |
C13 | 0.3104 (2) | 0.2771 (2) | 0.37008 (6) | 0.0439 (4) | |
C12 | 0.3761 (2) | 0.3002 (2) | 0.42202 (6) | 0.0467 (4) | |
C14 | 0.3905 (2) | 0.1855 (2) | 0.33582 (7) | 0.0547 (5) | |
H14 | 0.4842 | 0.1360 | 0.3453 | 0.066* | |
C18 | 0.1687 (2) | 0.3448 (2) | 0.35524 (7) | 0.0529 (5) | |
H18 | 0.1117 | 0.4052 | 0.3778 | 0.064* | |
C16 | 0.1925 (2) | 0.2349 (3) | 0.27234 (7) | 0.0578 (5) | |
C15 | 0.3330 (3) | 0.1666 (3) | 0.28760 (7) | 0.0609 (5) | |
H15 | 0.3901 | 0.1067 | 0.2650 | 0.073* | |
C17 | 0.1113 (2) | 0.3231 (3) | 0.30701 (7) | 0.0607 (5) | |
H17 | 0.0157 | 0.3690 | 0.2978 | 0.073* | |
C19 | 0.1321 (4) | 0.2139 (4) | 0.21933 (9) | 0.0890 (8) | |
H19A | 0.2018 | 0.2667 | 0.1971 | 0.133* | |
H19B | 0.0308 | 0.2629 | 0.2158 | 0.133* | |
H19C | 0.1254 | 0.0989 | 0.2115 | 0.133* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.1200 (5) | 0.0570 (3) | 0.0746 (4) | −0.0060 (3) | 0.0327 (3) | −0.0103 (3) |
O1 | 0.0601 (8) | 0.0804 (10) | 0.0435 (7) | −0.0112 (7) | −0.0052 (6) | 0.0058 (7) |
O2 | 0.0651 (9) | 0.0754 (9) | 0.0446 (7) | 0.0106 (7) | −0.0091 (6) | −0.0056 (7) |
N1 | 0.0427 (8) | 0.0434 (8) | 0.0400 (7) | 0.0015 (6) | 0.0020 (6) | −0.0029 (6) |
C7 | 0.0561 (11) | 0.0568 (11) | 0.0498 (10) | 0.0044 (9) | 0.0102 (8) | 0.0035 (9) |
C1 | 0.0488 (10) | 0.0454 (9) | 0.0378 (8) | 0.0003 (7) | 0.0026 (7) | 0.0009 (7) |
C2 | 0.0460 (10) | 0.0515 (10) | 0.0404 (9) | 0.0035 (8) | 0.0026 (7) | 0.0067 (8) |
C8 | 0.0497 (10) | 0.0523 (10) | 0.0440 (9) | 0.0024 (8) | 0.0034 (8) | 0.0064 (8) |
C9 | 0.0487 (11) | 0.0585 (12) | 0.0643 (12) | 0.0116 (9) | 0.0063 (9) | −0.0040 (9) |
C4 | 0.0927 (17) | 0.0631 (14) | 0.0818 (16) | −0.0038 (12) | 0.0234 (13) | 0.0242 (12) |
C6 | 0.0881 (17) | 0.0820 (16) | 0.0561 (12) | 0.0105 (13) | 0.0285 (12) | 0.0043 (11) |
C10 | 0.0552 (13) | 0.0929 (17) | 0.0761 (15) | 0.0067 (12) | 0.0194 (11) | −0.0026 (13) |
C3 | 0.0708 (13) | 0.0549 (12) | 0.0570 (12) | −0.0008 (10) | 0.0103 (10) | 0.0072 (9) |
C11 | 0.0580 (14) | 0.131 (2) | 0.0845 (17) | 0.0235 (15) | −0.0098 (12) | 0.0098 (16) |
C5 | 0.0928 (18) | 0.0889 (18) | 0.0691 (15) | 0.0057 (14) | 0.0357 (13) | 0.0274 (13) |
O3 | 0.0889 (10) | 0.0460 (7) | 0.0420 (7) | 0.0038 (7) | 0.0029 (6) | −0.0067 (6) |
C13 | 0.0538 (10) | 0.0406 (9) | 0.0375 (8) | −0.0040 (7) | 0.0015 (7) | 0.0012 (7) |
C12 | 0.0616 (11) | 0.0399 (9) | 0.0388 (9) | −0.0050 (8) | 0.0023 (8) | −0.0008 (7) |
C14 | 0.0567 (11) | 0.0613 (12) | 0.0460 (10) | 0.0066 (9) | −0.0016 (8) | −0.0078 (9) |
C18 | 0.0578 (12) | 0.0537 (11) | 0.0475 (10) | 0.0037 (9) | 0.0053 (8) | 0.0015 (8) |
C16 | 0.0710 (13) | 0.0594 (12) | 0.0426 (10) | −0.0094 (10) | −0.0061 (9) | 0.0016 (9) |
C15 | 0.0716 (14) | 0.0698 (13) | 0.0414 (10) | 0.0016 (11) | 0.0039 (9) | −0.0116 (9) |
C17 | 0.0597 (12) | 0.0664 (13) | 0.0555 (11) | 0.0027 (10) | −0.0051 (9) | 0.0076 (10) |
C19 | 0.114 (2) | 0.0984 (19) | 0.0531 (13) | −0.0079 (16) | −0.0230 (13) | −0.0049 (13) |
Cl1—C7 | 1.741 (2) | C10—H10A | 0.9600 |
O1—C1 | 1.415 (2) | C10—H10B | 0.9600 |
O1—H101 | 0.8200 | C10—H10C | 0.9600 |
O2—C12 | 1.248 (2) | C3—H3 | 0.9300 |
N1—C8 | 1.490 (2) | C11—H11A | 0.9600 |
N1—C9 | 1.507 (2) | C11—H11B | 0.9600 |
N1—H102 | 0.9000 | C11—H11C | 0.9600 |
N1—H103 | 0.9000 | C5—H5 | 0.9300 |
C7—C6 | 1.386 (3) | O3—C12 | 1.271 (2) |
C7—C2 | 1.387 (3) | C13—C14 | 1.383 (2) |
C1—C2 | 1.513 (2) | C13—C18 | 1.386 (3) |
C1—C8 | 1.521 (2) | C13—C12 | 1.504 (2) |
C1—H1 | 0.9800 | C14—C15 | 1.384 (3) |
C2—C3 | 1.392 (3) | C14—H14 | 0.9300 |
C8—H8A | 0.9700 | C18—C17 | 1.386 (3) |
C8—H8B | 0.9700 | C18—H18 | 0.9300 |
C9—C11 | 1.504 (3) | C16—C17 | 1.381 (3) |
C9—C10 | 1.517 (3) | C16—C15 | 1.382 (3) |
C9—H9 | 0.9800 | C16—C19 | 1.513 (3) |
C4—C5 | 1.376 (4) | C15—H15 | 0.9300 |
C4—C3 | 1.379 (3) | C17—H17 | 0.9300 |
C4—H4 | 0.9300 | C19—H19A | 0.9600 |
C6—C5 | 1.371 (4) | C19—H19B | 0.9600 |
C6—H6 | 0.9300 | C19—H19C | 0.9600 |
C1—O1—H101 | 109.5 | H10A—C10—H10C | 109.5 |
C8—N1—C9 | 115.19 (14) | H10B—C10—H10C | 109.5 |
C8—N1—H102 | 108.5 | C4—C3—C2 | 121.5 (2) |
C9—N1—H102 | 108.5 | C4—C3—H3 | 119.2 |
C8—N1—H103 | 108.5 | C2—C3—H3 | 119.2 |
C9—N1—H103 | 108.5 | C9—C11—H11A | 109.5 |
H102—N1—H103 | 107.5 | C9—C11—H11B | 109.5 |
C6—C7—C2 | 122.1 (2) | H11A—C11—H11B | 109.5 |
C6—C7—Cl1 | 117.75 (17) | C9—C11—H11C | 109.5 |
C2—C7—Cl1 | 120.19 (14) | H11A—C11—H11C | 109.5 |
O1—C1—C2 | 107.74 (14) | H11B—C11—H11C | 109.5 |
O1—C1—C8 | 110.88 (15) | C6—C5—C4 | 120.3 (2) |
C2—C1—C8 | 109.32 (14) | C6—C5—H5 | 119.8 |
O1—C1—H1 | 109.6 | C4—C5—H5 | 119.8 |
C2—C1—H1 | 109.6 | C14—C13—C18 | 118.17 (16) |
C8—C1—H1 | 109.6 | C14—C13—C12 | 120.33 (16) |
C7—C2—C3 | 117.01 (17) | C18—C13—C12 | 121.50 (16) |
C7—C2—C1 | 123.81 (17) | O2—C12—O3 | 124.06 (16) |
C3—C2—C1 | 119.18 (17) | O2—C12—C13 | 118.45 (16) |
N1—C8—C1 | 112.01 (14) | O3—C12—C13 | 117.49 (16) |
N1—C8—H8A | 109.2 | C13—C14—C15 | 120.84 (18) |
C1—C8—H8A | 109.2 | C13—C14—H14 | 119.6 |
N1—C8—H8B | 109.2 | C15—C14—H14 | 119.6 |
C1—C8—H8B | 109.2 | C13—C18—C17 | 120.41 (18) |
H8A—C8—H8B | 107.9 | C13—C18—H18 | 119.8 |
C11—C9—N1 | 111.64 (17) | C17—C18—H18 | 119.8 |
C11—C9—C10 | 112.2 (2) | C17—C16—C15 | 117.54 (17) |
N1—C9—C10 | 107.65 (16) | C17—C16—C19 | 121.9 (2) |
C11—C9—H9 | 108.4 | C15—C16—C19 | 120.6 (2) |
N1—C9—H9 | 108.4 | C16—C15—C14 | 121.36 (19) |
C10—C9—H9 | 108.4 | C16—C15—H15 | 119.3 |
C5—C4—C3 | 119.8 (2) | C14—C15—H15 | 119.3 |
C5—C4—H4 | 120.1 | C16—C17—C18 | 121.64 (19) |
C3—C4—H4 | 120.1 | C16—C17—H17 | 119.2 |
C5—C6—C7 | 119.2 (2) | C18—C17—H17 | 119.2 |
C5—C6—H6 | 120.4 | C16—C19—H19A | 109.5 |
C7—C6—H6 | 120.4 | C16—C19—H19B | 109.5 |
C9—C10—H10A | 109.5 | H19A—C19—H19B | 109.5 |
C9—C10—H10B | 109.5 | C16—C19—H19C | 109.5 |
H10A—C10—H10B | 109.5 | H19A—C19—H19C | 109.5 |
C9—C10—H10C | 109.5 | H19B—C19—H19C | 109.5 |
C6—C7—C2—C3 | −0.2 (3) | C1—C2—C3—C4 | −179.13 (19) |
Cl1—C7—C2—C3 | 178.83 (15) | C7—C6—C5—C4 | 1.2 (4) |
C6—C7—C2—C1 | 179.50 (19) | C3—C4—C5—C6 | −0.9 (4) |
Cl1—C7—C2—C1 | −1.4 (3) | C14—C13—C12—O2 | −9.8 (3) |
O1—C1—C2—C7 | −129.79 (18) | C18—C13—C12—O2 | 169.70 (18) |
C8—C1—C2—C7 | 109.6 (2) | C14—C13—C12—O3 | 171.21 (17) |
O1—C1—C2—C3 | 49.9 (2) | C18—C13—C12—O3 | −9.3 (3) |
C8—C1—C2—C3 | −70.6 (2) | C18—C13—C14—C15 | 2.1 (3) |
C9—N1—C8—C1 | −169.34 (15) | C12—C13—C14—C15 | −178.45 (18) |
O1—C1—C8—N1 | 68.35 (19) | C14—C13—C18—C17 | −1.1 (3) |
C2—C1—C8—N1 | −173.02 (14) | C12—C13—C18—C17 | 179.36 (17) |
C8—N1—C9—C11 | −50.6 (2) | C17—C16—C15—C14 | 0.0 (3) |
C8—N1—C9—C10 | −174.10 (16) | C19—C16—C15—C14 | 179.6 (2) |
C2—C7—C6—C5 | −0.7 (4) | C13—C14—C15—C16 | −1.5 (3) |
Cl1—C7—C6—C5 | −179.8 (2) | C15—C16—C17—C18 | 0.9 (3) |
C5—C4—C3—C2 | −0.1 (4) | C19—C16—C17—C18 | −178.6 (2) |
C7—C2—C3—C4 | 0.6 (3) | C13—C18—C17—C16 | −0.3 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H101···O3 | 0.82 | 1.88 | 2.6986 (18) | 173 |
N1—H103···O2 | 0.90 | 1.91 | 2.7835 (18) | 164 |
N1—H102···O3i | 0.90 | 1.89 | 2.7824 (19) | 174 |
Symmetry code: (i) −x+1, −y+1, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C11H17ClNO+·C8H7O2− |
Mr | 349.84 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 296 |
a, b, c (Å) | 8.5966 (4), 8.1288 (3), 26.8949 (12) |
β (°) | 91.600 (1) |
V (Å3) | 1878.68 (14) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.22 |
Crystal size (mm) | 0.37 × 0.30 × 0.22 |
Data collection | |
Diffractometer | Rigaku R-AXIS RAPID/ZJUG CCD diffractometer |
Absorption correction | Multi-scan (ABSCOR; Higashi, 1995) |
Tmin, Tmax | 0.913, 0.953 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 27924, 4271, 2763 |
Rint | 0.036 |
(sin θ/λ)max (Å−1) | 0.648 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.042, 0.125, 1.00 |
No. of reflections | 4271 |
No. of parameters | 222 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.21, −0.31 |
Computer programs: PROCESS-AUTO (Rigaku/MSC, 2006), CrystalStructure (Rigaku/MSC, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997), WinGX (Farrugia, 1999).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H101···O3 | 0.82 | 1.88 | 2.6986 (18) | 173 |
N1—H103···O2 | 0.90 | 1.91 | 2.7835 (18) | 164 |
N1—H102···O3i | 0.90 | 1.89 | 2.7824 (19) | 174 |
Symmetry code: (i) −x+1, −y+1, −z+1. |
Acknowledgements
This project was supported by the Zhejiang Provincial Natural Science Foundation of China (grant No. Y206174).
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A recent study reports the structure of bis{N-[2-(2-chlorophenyl)-2-hydroxyethyl]propan-2-aminium} oxalate (Tang et al., 2009b), which was synthesized by oxalic acid and chlorprenaline (Tang et al., 2009a). Here using p-toluic acid instead of oxalic acid and following a similar synthetic procedure yields the title compound, I.
In I, the chlorprenaline molecule and the p-toluic molecule are linked to each other by the classical N1—H103···O2 hydogen bond [2.7835 (18)Å] and the O1—H101···O3 hydogen bond [2.6986 (18)Å] (Fig. 1 & Table 1). The chlorprenaline in I are twisted moderately as compared with those of other compounds. The C7—C2—C1—C8 torsion angle of 109.6 (2)° is larger than the value of the similar torsion angle of 91.9 (2)° (Tang et al., 2009a). The C12–O2 distance of 1.248 (2)Å is much shorter than the similar distance of 1.292 (8)Å (Takwale & Pant, 1971). The C9–N1 distance of 1.507 (2)Å is longer than the value of the similar bond distance of 1.473 (4)Å (Tang et al., 2009b), as similar as the value of the similar bond distance of 1.503 (2)Å (Feng et al., 2010).
Classical O—H···O and N—H···O hydrogen bonds are found in the cystal structure (Fig. 2) are essential forces in crystal formation.