organic compounds
N-[2-(2-Chlorophenyl)-2-hydroxyethyl]propan-2-aminium benzoate
aCollege of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China, and bHangzhou Gallop Biological Products Co., Ltd, Hangzhou 310014, People's Republic of China
*Correspondence e-mail: fenghai289289@163.com
In the title compound, C11H17ClNO+·C7H5O2−, obtained by the reaction of chlorprenaline {or 1-(2-chlorophenyl)-2-[(1-methylethyl)amino]ethanol} and benzoic acid, the chlorprenaline is twisted moderately [C—C—C—C torsion angle = −76.00 (17)°] compared with related compounds. The molecules as usual form dimers. In the the two components are connected by classical O—H⋯O and N—H⋯O hydrogen bonds.
Related literature
For related structures, see: Feld et al. (1981); Feng et al. (2010); 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
https://doi.org/10.1107/S1600536810040274/rk2237sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810040274/rk2237Isup2.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 (5 ml) and then Benzoic acid (0.3 g, 0.0023 mol) was added. The mixture was dissovled by heating to 323 K where a clear solution resulted. The resulting solution was concentrated at ambient temperature. Colourless crystals of I separated from the solution in about 68% 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 N—H = 0.90Å, with Uiso(H) = 1.2–1.5 Ueq(C,O,N).
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 benzoic acid instead of oxalic acid and following a similar synthetic procedure yields the title compound, I.
In I (Fig. 1), the chlorprenaline molecule and the benzoic acid molecule are linked to each other by the N1—H1A···O2 hydogen bond (2.7231 (15)Å) and the O1—H1···O3 hydogen bond (2.7219 (15)Å) (Fig. 2 & Table 1). The chlorprenaline in I are twisted moderately as compared with those of other compounds. The C12—O2 distance of 1.2456 (18)Å is much shorter than the similar distance of 1.2675 (15)Å (Feld et al., 1981). The C1—C6—C7—C8 torsion angle of -76.00 (17)° (104.0 (17)°) is larger than the value of the similar torsion angle of 91.9 (2)° (Tang et al., 2009a). The C9—N1 distance of 1.5096 (17)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 hydrogen bonds (O—H···O and N—H···O) are found in the cystal structure (Fig. 2 & Table 1) are essential forces in crystal formation.
For related structures, see: Feld et al. (1981); Feng et al. (2010); Tang et al. (2009a,b).
Data collection: PROCESS-AUTO (Rigaku/MSC, 200)); 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+·C7H5O2− | F(000) = 712 |
Mr = 335.82 | Dx = 1.227 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 12983 reflections |
a = 7.8343 (3) Å | θ = 3.0–27.4° |
b = 13.1260 (5) Å | µ = 0.22 mm−1 |
c = 17.7308 (7) Å | T = 296 K |
β = 94.330 (1)° | Chunk, colourless |
V = 1818.11 (12) Å3 | 0.53 × 0.48 × 0.46 mm |
Z = 4 |
Rigaku R-AXIS RAPID/ZJUG diffractometer | 4123 independent reflections |
Radiation source: rolling anode | 3186 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.023 |
Detector resolution: 10.00 pixels mm-1 | θmax = 27.4°, θmin = 3.0° |
ω scans | h = −9→10 |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | k = −15→17 |
Tmin = 0.871, Tmax = 0.904 | l = −22→22 |
17400 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) = 0.110 | w = 1/[σ2(Fo2) + (0.0437P)2 + 0.6461P] where P = (Fo2 + 2Fc2)/3 |
S = 1.00 | (Δ/σ)max < 0.001 |
4123 reflections | Δρmax = 0.31 e Å−3 |
210 parameters | Δρmin = −0.32 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: 0.0125 (12) |
C11H17ClNO+·C7H5O2− | V = 1818.11 (12) Å3 |
Mr = 335.82 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 7.8343 (3) Å | µ = 0.22 mm−1 |
b = 13.1260 (5) Å | T = 296 K |
c = 17.7308 (7) Å | 0.53 × 0.48 × 0.46 mm |
β = 94.330 (1)° |
Rigaku R-AXIS RAPID/ZJUG diffractometer | 4123 independent reflections |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | 3186 reflections with I > 2σ(I) |
Tmin = 0.871, Tmax = 0.904 | Rint = 0.023 |
17400 measured reflections |
R[F2 > 2σ(F2)] = 0.042 | 0 restraints |
wR(F2) = 0.110 | H-atom parameters constrained |
S = 1.00 | Δρmax = 0.31 e Å−3 |
4123 reflections | Δρmin = −0.32 e Å−3 |
210 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 | 0.45832 (8) | 0.73075 (5) | 0.69565 (4) | 0.0898 (2) | |
N1 | 0.27625 (14) | 0.59370 (8) | 0.48693 (6) | 0.0326 (2) | |
H1A | 0.2765 | 0.5272 | 0.4744 | 0.039* | |
H1B | 0.3858 | 0.6149 | 0.4912 | 0.039* | |
O3 | 0.40196 (12) | 0.31773 (8) | 0.50725 (6) | 0.0456 (3) | |
O2 | 0.23389 (16) | 0.40526 (8) | 0.42406 (7) | 0.0543 (3) | |
O1 | 0.25272 (15) | 0.43338 (8) | 0.61142 (6) | 0.0497 (3) | |
H1 | 0.3143 | 0.4081 | 0.5810 | 0.075* | |
C13 | 0.21403 (17) | 0.22582 (10) | 0.42001 (8) | 0.0369 (3) | |
C8 | 0.20481 (18) | 0.60417 (11) | 0.56199 (8) | 0.0392 (3) | |
H8A | 0.0844 | 0.5862 | 0.5571 | 0.047* | |
H8B | 0.2135 | 0.6748 | 0.5779 | 0.047* | |
C9 | 0.18157 (18) | 0.65197 (11) | 0.42338 (9) | 0.0418 (3) | |
H9 | 0.0642 | 0.6258 | 0.4164 | 0.050* | |
C1 | 0.3003 (2) | 0.65860 (13) | 0.73480 (9) | 0.0522 (4) | |
C14 | 0.1011 (2) | 0.22632 (12) | 0.35609 (9) | 0.0463 (4) | |
H14 | 0.0760 | 0.2873 | 0.3309 | 0.056* | |
C12 | 0.28937 (17) | 0.32356 (10) | 0.45198 (8) | 0.0373 (3) | |
C6 | 0.23953 (18) | 0.57020 (11) | 0.69877 (8) | 0.0410 (3) | |
C7 | 0.29652 (18) | 0.53722 (10) | 0.62261 (8) | 0.0369 (3) | |
H7 | 0.4206 | 0.5458 | 0.6218 | 0.044* | |
C10 | 0.2707 (2) | 0.63197 (14) | 0.35160 (9) | 0.0545 (4) | |
H10A | 0.2723 | 0.5600 | 0.3419 | 0.082* | |
H10B | 0.3860 | 0.6571 | 0.3577 | 0.082* | |
H10C | 0.2100 | 0.6661 | 0.3098 | 0.082* | |
C11 | 0.1747 (3) | 0.76461 (13) | 0.44186 (11) | 0.0617 (5) | |
H11A | 0.1177 | 0.7740 | 0.4874 | 0.093* | |
H11B | 0.1130 | 0.8000 | 0.4010 | 0.093* | |
H11C | 0.2890 | 0.7911 | 0.4488 | 0.093* | |
C16 | 0.0598 (3) | 0.04706 (15) | 0.36633 (13) | 0.0800 (7) | |
H16 | 0.0070 | −0.0128 | 0.3489 | 0.096* | |
C18 | 0.2509 (3) | 0.13432 (13) | 0.45566 (11) | 0.0644 (5) | |
H18 | 0.3292 | 0.1323 | 0.4978 | 0.077* | |
C15 | 0.0252 (2) | 0.13674 (14) | 0.32929 (11) | 0.0625 (5) | |
H15 | −0.0495 | 0.1377 | 0.2860 | 0.075* | |
C5 | 0.1165 (2) | 0.51537 (15) | 0.73318 (9) | 0.0572 (4) | |
H5 | 0.0756 | 0.4549 | 0.7113 | 0.069* | |
C3 | 0.1146 (3) | 0.63805 (19) | 0.83306 (11) | 0.0776 (7) | |
H3 | 0.0712 | 0.6611 | 0.8774 | 0.093* | |
C17 | 0.1724 (4) | 0.04543 (14) | 0.42930 (14) | 0.0901 (8) | |
H17 | 0.1961 | −0.0157 | 0.4545 | 0.108* | |
C2 | 0.2388 (3) | 0.69251 (17) | 0.80124 (10) | 0.0688 (6) | |
H2 | 0.2816 | 0.7519 | 0.8241 | 0.083* | |
C4 | 0.0528 (3) | 0.5488 (2) | 0.79991 (11) | 0.0783 (6) | |
H4 | −0.0309 | 0.5113 | 0.8221 | 0.094* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0863 (4) | 0.0823 (4) | 0.1027 (4) | −0.0357 (3) | 0.0192 (3) | −0.0458 (3) |
N1 | 0.0330 (5) | 0.0275 (5) | 0.0370 (6) | −0.0016 (4) | 0.0007 (4) | −0.0014 (4) |
O3 | 0.0384 (5) | 0.0479 (6) | 0.0497 (6) | −0.0055 (5) | −0.0019 (4) | −0.0129 (5) |
O2 | 0.0723 (8) | 0.0301 (5) | 0.0588 (7) | −0.0024 (5) | −0.0053 (6) | −0.0076 (5) |
O1 | 0.0659 (7) | 0.0344 (5) | 0.0512 (6) | −0.0035 (5) | 0.0199 (5) | −0.0064 (5) |
C13 | 0.0375 (7) | 0.0323 (7) | 0.0412 (7) | −0.0023 (6) | 0.0046 (6) | −0.0077 (6) |
C8 | 0.0381 (7) | 0.0382 (7) | 0.0416 (8) | 0.0030 (6) | 0.0053 (6) | −0.0045 (6) |
C9 | 0.0370 (7) | 0.0397 (8) | 0.0473 (8) | −0.0004 (6) | −0.0054 (6) | 0.0072 (6) |
C1 | 0.0531 (9) | 0.0565 (10) | 0.0458 (9) | 0.0081 (8) | −0.0039 (7) | −0.0146 (7) |
C14 | 0.0491 (8) | 0.0384 (8) | 0.0502 (9) | 0.0006 (7) | −0.0040 (7) | −0.0073 (6) |
C12 | 0.0355 (7) | 0.0351 (7) | 0.0419 (7) | −0.0045 (6) | 0.0074 (6) | −0.0090 (6) |
C6 | 0.0425 (7) | 0.0454 (8) | 0.0348 (7) | 0.0094 (6) | 0.0005 (6) | −0.0031 (6) |
C7 | 0.0381 (7) | 0.0342 (7) | 0.0386 (7) | 0.0006 (6) | 0.0050 (6) | −0.0052 (5) |
C10 | 0.0610 (10) | 0.0605 (10) | 0.0410 (8) | 0.0011 (8) | −0.0027 (7) | 0.0093 (7) |
C11 | 0.0728 (12) | 0.0393 (9) | 0.0729 (12) | 0.0131 (8) | 0.0032 (9) | 0.0116 (8) |
C16 | 0.1048 (17) | 0.0444 (10) | 0.0876 (15) | −0.0270 (11) | −0.0145 (13) | −0.0166 (10) |
C18 | 0.0916 (14) | 0.0393 (8) | 0.0581 (11) | −0.0045 (9) | −0.0216 (10) | −0.0008 (8) |
C15 | 0.0630 (11) | 0.0572 (11) | 0.0642 (11) | −0.0086 (9) | −0.0147 (9) | −0.0186 (9) |
C5 | 0.0658 (11) | 0.0623 (11) | 0.0453 (9) | 0.0028 (9) | 0.0154 (8) | 0.0000 (8) |
C3 | 0.0973 (16) | 0.1001 (17) | 0.0361 (9) | 0.0424 (14) | 0.0090 (10) | −0.0085 (10) |
C17 | 0.144 (2) | 0.0329 (9) | 0.0878 (16) | −0.0147 (11) | −0.0269 (15) | 0.0046 (9) |
C2 | 0.0803 (13) | 0.0757 (13) | 0.0483 (10) | 0.0247 (11) | −0.0089 (9) | −0.0237 (9) |
C4 | 0.0884 (15) | 0.0955 (17) | 0.0549 (11) | 0.0159 (13) | 0.0311 (11) | 0.0092 (11) |
Cl1—C1 | 1.7438 (19) | C6—C7 | 1.5169 (19) |
N1—C8 | 1.4884 (17) | C7—H7 | 0.9800 |
N1—C9 | 1.5096 (17) | C10—H10A | 0.9600 |
N1—H1A | 0.9000 | C10—H10B | 0.9600 |
N1—H1B | 0.9000 | C10—H10C | 0.9600 |
O3—C12 | 1.2704 (17) | C11—H11A | 0.9600 |
O2—C12 | 1.2456 (18) | C11—H11B | 0.9600 |
O1—C7 | 1.4158 (16) | C11—H11C | 0.9600 |
O1—H1 | 0.8200 | C16—C15 | 1.365 (3) |
C13—C18 | 1.378 (2) | C16—C17 | 1.370 (3) |
C13—C14 | 1.384 (2) | C16—H16 | 0.9300 |
C13—C12 | 1.5050 (18) | C18—C17 | 1.384 (3) |
C8—C7 | 1.526 (2) | C18—H18 | 0.9300 |
C8—H8A | 0.9700 | C15—H15 | 0.9300 |
C8—H8B | 0.9700 | C5—C4 | 1.390 (3) |
C9—C11 | 1.516 (2) | C5—H5 | 0.9300 |
C9—C10 | 1.520 (2) | C3—C2 | 1.363 (3) |
C9—H9 | 0.9800 | C3—C4 | 1.382 (3) |
C1—C2 | 1.380 (2) | C3—H3 | 0.9300 |
C1—C6 | 1.391 (2) | C17—H17 | 0.9300 |
C14—C15 | 1.386 (2) | C2—H2 | 0.9300 |
C14—H14 | 0.9300 | C4—H4 | 0.9300 |
C6—C5 | 1.381 (2) | ||
C8—N1—C9 | 115.08 (11) | C6—C7—H7 | 109.8 |
C8—N1—H1A | 108.5 | C8—C7—H7 | 109.8 |
C9—N1—H1A | 108.5 | C9—C10—H10A | 109.5 |
C8—N1—H1B | 108.5 | C9—C10—H10B | 109.5 |
C9—N1—H1B | 108.5 | H10A—C10—H10B | 109.5 |
H1A—N1—H1B | 107.5 | C9—C10—H10C | 109.5 |
C7—O1—H1 | 109.5 | H10A—C10—H10C | 109.5 |
C18—C13—C14 | 118.61 (14) | H10B—C10—H10C | 109.5 |
C18—C13—C12 | 120.50 (13) | C9—C11—H11A | 109.5 |
C14—C13—C12 | 120.84 (13) | C9—C11—H11B | 109.5 |
N1—C8—C7 | 112.82 (11) | H11A—C11—H11B | 109.5 |
N1—C8—H8A | 109.0 | C9—C11—H11C | 109.5 |
C7—C8—H8A | 109.0 | H11A—C11—H11C | 109.5 |
N1—C8—H8B | 109.0 | H11B—C11—H11C | 109.5 |
C7—C8—H8B | 109.0 | C15—C16—C17 | 119.85 (16) |
H8A—C8—H8B | 107.8 | C15—C16—H16 | 120.1 |
N1—C9—C11 | 110.87 (13) | C17—C16—H16 | 120.1 |
N1—C9—C10 | 107.86 (12) | C13—C18—C17 | 120.49 (17) |
C11—C9—C10 | 112.06 (14) | C13—C18—H18 | 119.8 |
N1—C9—H9 | 108.7 | C17—C18—H18 | 119.8 |
C11—C9—H9 | 108.7 | C16—C15—C14 | 120.15 (17) |
C10—C9—H9 | 108.7 | C16—C15—H15 | 119.9 |
C2—C1—C6 | 122.12 (18) | C14—C15—H15 | 119.9 |
C2—C1—Cl1 | 117.95 (15) | C6—C5—C4 | 121.29 (19) |
C6—C1—Cl1 | 119.92 (12) | C6—C5—H5 | 119.4 |
C13—C14—C15 | 120.55 (15) | C4—C5—H5 | 119.4 |
C13—C14—H14 | 119.7 | C2—C3—C4 | 120.44 (18) |
C15—C14—H14 | 119.7 | C2—C3—H3 | 119.8 |
O2—C12—O3 | 124.03 (13) | C4—C3—H3 | 119.8 |
O2—C12—C13 | 117.97 (12) | C16—C17—C18 | 120.32 (19) |
O3—C12—C13 | 117.97 (13) | C16—C17—H17 | 119.8 |
C5—C6—C1 | 117.24 (15) | C18—C17—H17 | 119.8 |
C5—C6—C7 | 120.44 (14) | C3—C2—C1 | 119.36 (19) |
C1—C6—C7 | 122.23 (14) | C3—C2—H2 | 120.3 |
O1—C7—C6 | 108.36 (12) | C1—C2—H2 | 120.3 |
O1—C7—C8 | 111.07 (12) | C3—C4—C5 | 119.5 (2) |
C6—C7—C8 | 107.95 (11) | C3—C4—H4 | 120.2 |
O1—C7—H7 | 109.8 | C5—C4—H4 | 120.2 |
C9—N1—C8—C7 | 175.43 (11) | C1—C6—C7—C8 | −76.00 (17) |
C8—N1—C9—C11 | 57.38 (16) | N1—C8—C7—O1 | −73.09 (15) |
C8—N1—C9—C10 | −179.59 (12) | N1—C8—C7—C6 | 168.25 (11) |
C18—C13—C14—C15 | 0.9 (3) | C14—C13—C18—C17 | −2.0 (3) |
C12—C13—C14—C15 | −176.53 (15) | C12—C13—C18—C17 | 175.4 (2) |
C18—C13—C12—O2 | −170.12 (16) | C17—C16—C15—C14 | −1.3 (4) |
C14—C13—C12—O2 | 7.3 (2) | C13—C14—C15—C16 | 0.7 (3) |
C18—C13—C12—O3 | 7.8 (2) | C1—C6—C5—C4 | 1.8 (3) |
C14—C13—C12—O3 | −174.79 (13) | C7—C6—C5—C4 | −174.81 (17) |
C2—C1—C6—C5 | −1.5 (2) | C15—C16—C17—C18 | 0.2 (4) |
Cl1—C1—C6—C5 | 178.90 (13) | C13—C18—C17—C16 | 1.5 (4) |
C2—C1—C6—C7 | 175.02 (15) | C4—C3—C2—C1 | 1.1 (3) |
Cl1—C1—C6—C7 | −4.6 (2) | C6—C1—C2—C3 | 0.1 (3) |
C5—C6—C7—O1 | −19.97 (19) | Cl1—C1—C2—C3 | 179.68 (15) |
C1—C6—C7—O1 | 163.62 (14) | C2—C3—C4—C5 | −0.8 (3) |
C5—C6—C7—C8 | 100.41 (16) | C6—C5—C4—C3 | −0.7 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···O2 | 0.90 | 1.85 | 2.7231 (15) | 162 |
O1—H1···O3 | 0.82 | 1.93 | 2.7219 (15) | 162 |
N1—H1B···O3i | 0.90 | 1.88 | 2.7710 (15) | 169 |
Symmetry code: (i) −x+1, −y+1, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C11H17ClNO+·C7H5O2− |
Mr | 335.82 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 296 |
a, b, c (Å) | 7.8343 (3), 13.1260 (5), 17.7308 (7) |
β (°) | 94.330 (1) |
V (Å3) | 1818.11 (12) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.22 |
Crystal size (mm) | 0.53 × 0.48 × 0.46 |
Data collection | |
Diffractometer | Rigaku R-AXIS RAPID/ZJUG |
Absorption correction | Multi-scan (ABSCOR; Higashi, 1995) |
Tmin, Tmax | 0.871, 0.904 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 17400, 4123, 3186 |
Rint | 0.023 |
(sin θ/λ)max (Å−1) | 0.648 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.042, 0.110, 1.00 |
No. of reflections | 4123 |
No. of parameters | 210 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.31, −0.32 |
Computer programs: PROCESS-AUTO (Rigaku/MSC, 200)), 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 |
N1—H1A···O2 | 0.90 | 1.85 | 2.7231 (15) | 162 |
O1—H1···O3 | 0.82 | 1.93 | 2.7219 (15) | 162 |
N1—H1B···O3i | 0.90 | 1.88 | 2.7710 (15) | 169 |
Symmetry code: (i) −x+1, −y+1, −z+1. |
Acknowledgements
This work was supported by the Key Scientific and Technological Research Project of the Science and Technology Department of Zhejiang Province of China (grant No. 2009 C32078).
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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 benzoic acid instead of oxalic acid and following a similar synthetic procedure yields the title compound, I.
In I (Fig. 1), the chlorprenaline molecule and the benzoic acid molecule are linked to each other by the N1—H1A···O2 hydogen bond (2.7231 (15)Å) and the O1—H1···O3 hydogen bond (2.7219 (15)Å) (Fig. 2 & Table 1). The chlorprenaline in I are twisted moderately as compared with those of other compounds. The C12—O2 distance of 1.2456 (18)Å is much shorter than the similar distance of 1.2675 (15)Å (Feld et al., 1981). The C1—C6—C7—C8 torsion angle of -76.00 (17)° (104.0 (17)°) is larger than the value of the similar torsion angle of 91.9 (2)° (Tang et al., 2009a). The C9—N1 distance of 1.5096 (17)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 hydrogen bonds (O—H···O and N—H···O) are found in the cystal structure (Fig. 2 & Table 1) are essential forces in crystal formation.