organic compounds
Bis(2-hydroxyethanaminium) naphthalene-1,5-disulfonate
aCollege of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
*Correspondence e-mail: yslhzzj@sina.com
In the 2H8NO+·C10H6O6S22−, the anion lies on an inversion centre. The components are held together by O—H⋯O hydrogen bond, forming a 2:1 aggregate. The aggregates are further connected by N—H⋯O and C—H⋯O hydrogen bonds.
of the title compound, 2CRelated literature
For related structures, see: Gao et al. (2005); Li & Chai (2007); Russell et al. (1997); Sakwa & Wheeler (2003); Wang et al. (2008); Zhang et al. (2005).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2002); cell SAINT (Bruker, 2002); 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: SHELXL97.
Supporting information
10.1107/S1600536811023269/is2725sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811023269/is2725Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536811023269/is2725Isup3.cml
Naphthalene-1,5-disulfonic acid (5.1 g) and ethanolamine (1.2 g) 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 system was then cooled slowly to room temperature. Crystals of (I) (4.7 g) were formed, collected and washed with ethanol.
All H atoms except atom H4' were placed in calculated positions and allowed to ride on their parent atoms with distances of 0.93 Å for aromatic group, 0.97 Å for methylene and 0.89 Å for amino group, and with Uiso(H) set at 1.2 or 1.5Ueq of the parent atoms. The positions of atom H4' were refined with a distance restraint O—H = 0.84 (2) Å, and with Uiso(H) = 1.5Ueq(O).
Data collection: SMART (Bruker, 2002); cell
SAINT (Bruker, 2002); data reduction: SAINT (Bruker, 2002); 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).Fig. 1. The molecular structure of the title compound. The unlabeled half of naphthalene-1,5-disulfonate anion are generated from the labeled half by symmetry operation of (1 - x, 2 - y, - z). The O—H···O hydrogen bond is illustrated as a dashed line. | |
Fig. 2. The crystal packing of the title compound, viewed down the c axis. Hydrogen bonds are drawn as dashed lines. |
2C2H8NO+·C10H6O6S22− | F(000) = 432.0 |
Mr = 410.48 | Dx = 1.551 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 1567 reflections |
a = 9.7946 (14) Å | θ = 2.1–16.1° |
b = 8.9011 (13) Å | µ = 0.35 mm−1 |
c = 10.4050 (16) Å | T = 293 K |
β = 104.334 (2)° | Prism, colorless |
V = 878.9 (2) Å3 | 0.42 × 0.34 × 0.30 mm |
Z = 2 |
Bruker APEX area-detector diffractometer | 1718 independent reflections |
Radiation source: fine-focus sealed tube | 1625 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.019 |
ϕ and ω scans | θmax = 26.0°, θmin = 2.2° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −12→11 |
Tmin = 0.855, Tmax = 0.898 | k = −7→10 |
4721 measured reflections | l = −11→12 |
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)] = 0.029 | H-atom parameters constrained |
wR(F2) = 0.080 | w = 1/[σ2(Fo2) + (0.0441P)2 + 0.3961P] where P = (Fo2 + 2Fc2)/3 |
S = 1.04 | (Δ/σ)max = 0.001 |
1718 reflections | Δρmax = 0.43 e Å−3 |
122 parameters | Δρmin = −0.34 e Å−3 |
1 restraint | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.017 (3) |
2C2H8NO+·C10H6O6S22− | V = 878.9 (2) Å3 |
Mr = 410.48 | Z = 2 |
Monoclinic, P21/c | Mo Kα radiation |
a = 9.7946 (14) Å | µ = 0.35 mm−1 |
b = 8.9011 (13) Å | T = 293 K |
c = 10.4050 (16) Å | 0.42 × 0.34 × 0.30 mm |
β = 104.334 (2)° |
Bruker APEX area-detector diffractometer | 1718 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 1625 reflections with I > 2σ(I) |
Tmin = 0.855, Tmax = 0.898 | Rint = 0.019 |
4721 measured reflections |
R[F2 > 2σ(F2)] = 0.029 | 1 restraint |
wR(F2) = 0.080 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.43 e Å−3 |
1718 reflections | Δρmin = −0.34 e Å−3 |
122 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 | 0.84543 (12) | 0.76241 (16) | −0.12460 (11) | 0.0408 (3) | |
O2 | 0.75476 (13) | 0.65670 (12) | 0.04999 (12) | 0.0380 (3) | |
O3 | 0.89350 (12) | 0.88364 (13) | 0.09087 (11) | 0.0368 (3) | |
O4 | 0.85710 (15) | 0.38353 (14) | −0.03184 (13) | 0.0449 (3) | |
H4' | 0.843 (3) | 0.4733 (14) | −0.015 (2) | 0.067* | |
S1 | 0.79615 (4) | 0.79324 (4) | −0.00698 (3) | 0.02542 (15) | |
N1 | 0.91425 (15) | 0.17298 (16) | 0.20858 (14) | 0.0359 (3) | |
H1A | 0.9313 | 0.1641 | 0.2963 | 0.054* | |
H1B | 0.9898 | 0.2108 | 0.1872 | 0.054* | |
H1C | 0.8947 | 0.0830 | 0.1713 | 0.054* | |
C1 | 0.64066 (14) | 0.90372 (15) | −0.06386 (14) | 0.0232 (3) | |
C2 | 0.56077 (14) | 0.95467 (15) | 0.02605 (13) | 0.0223 (3) | |
C3 | 0.59815 (15) | 0.91921 (17) | 0.16367 (14) | 0.0266 (3) | |
H3 | 0.6775 | 0.8609 | 0.1983 | 0.032* | |
C4 | 0.51843 (16) | 0.97004 (17) | 0.24527 (14) | 0.0292 (3) | |
H4 | 0.5440 | 0.9455 | 0.3349 | 0.035* | |
C5 | 0.60178 (16) | 0.94103 (17) | −0.19575 (14) | 0.0271 (3) | |
H5 | 0.6551 | 0.9074 | −0.2526 | 0.033* | |
C6 | 0.79262 (19) | 0.2745 (2) | 0.16027 (18) | 0.0394 (4) | |
H6A | 0.8137 | 0.3716 | 0.2029 | 0.047* | |
H6B | 0.7112 | 0.2338 | 0.1856 | 0.047* | |
C7 | 0.7569 (2) | 0.2955 (2) | 0.01220 (19) | 0.0490 (5) | |
H7A | 0.7502 | 0.1977 | −0.0300 | 0.059* | |
H7B | 0.6653 | 0.3433 | −0.0157 | 0.059* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0307 (6) | 0.0605 (8) | 0.0332 (6) | 0.0100 (5) | 0.0116 (5) | −0.0071 (6) |
O2 | 0.0458 (7) | 0.0233 (6) | 0.0464 (7) | 0.0058 (5) | 0.0145 (5) | 0.0026 (5) |
O3 | 0.0315 (6) | 0.0343 (6) | 0.0396 (6) | 0.0016 (5) | −0.0006 (5) | −0.0078 (5) |
O4 | 0.0649 (8) | 0.0265 (6) | 0.0475 (7) | 0.0058 (6) | 0.0219 (6) | 0.0020 (5) |
S1 | 0.0249 (2) | 0.0249 (2) | 0.0263 (2) | 0.00367 (13) | 0.00597 (15) | −0.00329 (13) |
N1 | 0.0386 (7) | 0.0330 (7) | 0.0368 (7) | −0.0016 (6) | 0.0102 (6) | −0.0055 (6) |
C1 | 0.0238 (7) | 0.0200 (7) | 0.0262 (7) | −0.0003 (5) | 0.0070 (5) | −0.0013 (5) |
C2 | 0.0246 (7) | 0.0194 (6) | 0.0233 (7) | −0.0017 (5) | 0.0063 (5) | −0.0007 (5) |
C3 | 0.0274 (7) | 0.0253 (7) | 0.0261 (7) | 0.0033 (6) | 0.0050 (6) | 0.0025 (6) |
C4 | 0.0361 (8) | 0.0305 (8) | 0.0210 (7) | 0.0014 (6) | 0.0068 (6) | 0.0026 (6) |
C5 | 0.0325 (8) | 0.0252 (7) | 0.0256 (7) | 0.0004 (6) | 0.0109 (6) | −0.0017 (6) |
C6 | 0.0420 (9) | 0.0340 (9) | 0.0454 (9) | 0.0024 (7) | 0.0168 (8) | −0.0010 (7) |
C7 | 0.0594 (12) | 0.0359 (10) | 0.0457 (10) | −0.0083 (8) | 0.0016 (9) | 0.0037 (8) |
O1—S1 | 1.4485 (11) | C2—C2i | 1.429 (3) |
O2—S1 | 1.4533 (12) | C3—C4 | 1.365 (2) |
O3—S1 | 1.4535 (11) | C3—H3 | 0.9300 |
O4—C7 | 1.417 (2) | C4—C5i | 1.406 (2) |
O4—H4' | 0.835 (10) | C4—H4 | 0.9300 |
S1—C1 | 1.7862 (14) | C5—C4i | 1.406 (2) |
N1—C6 | 1.481 (2) | C5—H5 | 0.9300 |
N1—H1A | 0.8900 | C6—C7 | 1.505 (3) |
N1—H1B | 0.8900 | C6—H6A | 0.9700 |
N1—H1C | 0.8900 | C6—H6B | 0.9700 |
C1—C5 | 1.371 (2) | C7—H7A | 0.9700 |
C1—C2 | 1.4338 (19) | C7—H7B | 0.9700 |
C2—C3 | 1.423 (2) | ||
C7—O4—H4' | 107.6 (18) | C4—C3—H3 | 119.7 |
O1—S1—O2 | 111.79 (8) | C2—C3—H3 | 119.7 |
O1—S1—O3 | 113.50 (7) | C3—C4—C5i | 120.96 (13) |
O2—S1—O3 | 112.22 (7) | C3—C4—H4 | 119.5 |
O1—S1—C1 | 105.04 (7) | C5i—C4—H4 | 119.5 |
O2—S1—C1 | 107.12 (7) | C1—C5—C4i | 120.20 (13) |
O3—S1—C1 | 106.56 (7) | C1—C5—H5 | 119.9 |
C6—N1—H1A | 109.5 | C4i—C5—H5 | 119.9 |
C6—N1—H1B | 109.5 | N1—C6—C7 | 112.78 (15) |
H1A—N1—H1B | 109.5 | N1—C6—H6A | 109.0 |
C6—N1—H1C | 109.5 | C7—C6—H6A | 109.0 |
H1A—N1—H1C | 109.5 | N1—C6—H6B | 109.0 |
H1B—N1—H1C | 109.5 | C7—C6—H6B | 109.0 |
C5—C1—C2 | 121.01 (13) | H6A—C6—H6B | 107.8 |
C5—C1—S1 | 117.89 (11) | O4—C7—C6 | 113.31 (16) |
C2—C1—S1 | 121.08 (10) | O4—C7—H7A | 108.9 |
C3—C2—C2i | 119.32 (15) | C6—C7—H7A | 108.9 |
C3—C2—C1 | 122.72 (13) | O4—C7—H7B | 108.9 |
C2i—C2—C1 | 117.97 (15) | C6—C7—H7B | 108.9 |
C4—C3—C2 | 120.54 (13) | H7A—C7—H7B | 107.7 |
Symmetry code: (i) −x+1, −y+2, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4′···O2 | 0.84 (1) | 2.04 (1) | 2.840 (2) | 160 (2) |
N1—H1A···O4ii | 0.89 | 2.13 | 2.934 (2) | 149 |
N1—H1B···O1iii | 0.89 | 1.90 | 2.766 (2) | 164 |
N1—H1C···O3iv | 0.89 | 1.96 | 2.837 (2) | 168 |
C3—H3···O1v | 0.93 | 2.41 | 3.270 (2) | 154 |
C5—H5···O2vi | 0.93 | 2.55 | 3.459 (2) | 167 |
Symmetry codes: (ii) x, −y+1/2, z+1/2; (iii) −x+2, −y+1, −z; (iv) x, y−1, z; (v) x, −y+3/2, z+1/2; (vi) x, −y+3/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | 2C2H8NO+·C10H6O6S22− |
Mr | 410.48 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 293 |
a, b, c (Å) | 9.7946 (14), 8.9011 (13), 10.4050 (16) |
β (°) | 104.334 (2) |
V (Å3) | 878.9 (2) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.35 |
Crystal size (mm) | 0.42 × 0.34 × 0.30 |
Data collection | |
Diffractometer | Bruker APEX area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.855, 0.898 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4721, 1718, 1625 |
Rint | 0.019 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.029, 0.080, 1.04 |
No. of reflections | 1718 |
No. of parameters | 122 |
No. of restraints | 1 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.43, −0.34 |
Computer programs: SMART (Bruker, 2002), SAINT (Bruker, 2002), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4'···O2 | 0.835 (10) | 2.041 (10) | 2.840 (2) | 160 (2) |
N1—H1A···O4i | 0.89 | 2.13 | 2.934 (2) | 149 |
N1—H1B···O1ii | 0.89 | 1.90 | 2.766 (2) | 164 |
N1—H1C···O3iii | 0.89 | 1.96 | 2.837 (2) | 168 |
C3—H3···O1iv | 0.93 | 2.41 | 3.270 (2) | 154 |
C5—H5···O2v | 0.93 | 2.55 | 3.459 (2) | 167 |
Symmetry codes: (i) x, −y+1/2, z+1/2; (ii) −x+2, −y+1, −z; (iii) x, y−1, z; (iv) x, −y+3/2, z+1/2; (v) x, −y+3/2, z−1/2. |
References
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Several supramolecular structures of naphthalene-1,5-disulfonate have been reported previously (Russell et al., 1997; Zhang et al., 2005; Gao et al., 2005; Wang et al., 2008). As an extension of research, we report here the synthesis and structure of the title compound, (I) (Table 1 & Fig. 1).
The naphthalene-1,5-disulfonate anion is linked to the ethanolaminium cation by O2—H4'···O4 hydrogen bond (Fig. 1 & Table 1). The crystal structure is further built by N—H···O and C—H···O hydrogen bonds. (Fig. 2 & Table 1). Due to steric hindrance of sulfonate, the nearest centroid separation between naphthalene rings is of 5.264 (3) Å, suggesting no π–π stacking. The arrangement of naphthalene rings is very similar to those observed in previous cases (Sakwa & Wheeler, 2003; Li & Chai, 2007; Wang et al., 2008), but is different from that in bis(oxonium monohydrate) naphthalene-1,5-disulfonate, which shows a partial π–π stacking.