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organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 66| Part 12| December 2010| Pages o3112-o3113
https://doi.org/10.1107/S1600536810044855

(6S,7S,8S,8aS)-6-Ethyl-7,8-dihy­dr­oxy-1,5,6,7,8,8a-hexa­hydro­indolizin-3(2H)-one monohydrate

Viktor Vrábel,a* Ľubomír Švorc,a Peter Šafářb and Jozefína Žúžiováb

aInstitute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak Technical University, Radlinského 9, SK-812 37 Bratislava, Slovak Republic, and bInstitute of Organic Chemistry, Catalysis and Petrochemistry, Faculty of Chemical and Food Technology, Slovak Technical University, Radlinského 9, SK-812 37 Bratislava, Slovak Republic
*Correspondence e-mail: viktor.vrabel@stuba.sk

(Received 27 October 2010; accepted 2 November 2010; online 10 November 2010)

The absolute configuration of the title compound, C10H17NO3·H2O, was assigned from the synthesis. In the mol­ecular structure, the central six-membered ring of the indolizine moiety adopts a chair conformation, with two atoms displaced by −0.578 (2) and 0.651 (1) Å from the plane of the other four atoms [maximum deviation 0.019 (2) Å] The conformation of the fused oxopyrrolidine ring is close to that of a flat envelope, with the flap atom displaced by 0.294 (1) Å from the plane through the remaining four atoms. In the crystal, one of the hy­droxy groups is hydrogen-bonded to two water mol­ecules, while the other hy­droxy group exhibits an inter­molecular hydrogen bond to the carbonyl O atom, resulting in a chain parallel to the b axis.

Related literature

For the uses of indolizine-based mol­ecules, see: Weidner et al. (1989[Weidner, C. H., Wadsworth, D. H., Bender, S. L. & Beltman, D. J. (1989). J. Org. Chem. 54, 3660-3664.]); Jaung & Jung (2003[Jaung, J. Y. & Jung, Y. S. (2003). Bull. Korean Chem. Soc. 24, 1565-1566.]); Rotaru et al. (2005[Rotaru, A. V., Druta, I. D., Oeser, T. & Muller, T. J. J. (2005). Helv. Chim. Acta, 88, 1798-1812.]); Saeva & Luss (1988[Saeva, F. D. & Luss, H. R. (1988). J. Org. Chem. 53, 1804-1806.]); Kelin et al. (2001[Kelin, A. V., Sromek, A. W. & Gevorgyan, V. (2001). J. Am. Chem. Soc. 123, 2074-2075.]). For biological activities of indolizines, see: Oslund et al. (2008[Oslund, R. C., Cermak, N. & Gelb, M. H. (2008). J. Med. Chem. 51, 4708-4714.]); Asano et al. (2000[Asano, N., Nash, R. J., Molyneux, R. J. & Fleet, G. W. J. (2000). Tetrahedron Asymmetry, 11, 1645-1680.]); Tielmann & Hoenke (2006[Tielmann, P. & Hoenke, C. (2006). Tetrahedron Lett. 47, 261-265.]). For synthesis, see: Šafař et al. (2010[Šafař, P., Žúžiová, J., Marchalín, Š., Prónayová, N., Švorc, Ľ., Vrábel, V., Comesse, S. & Daich, A. (2010). Tetrahedron Asymmetry, 21, 623-630.]). For ring-puckering and conformational analysis, see: Cremer & Pople (1975[Cremer, D. & Pople, J. A. (1975). J. Am. Chem. Soc. 97, 1354-1362.]); Nardelli (1983[Nardelli, M. (1983). Acta Cryst. C39, 1141-1142.]).

[Scheme 1]

Experimental

Crystal data

  • C10H17NO3·H2O

  • Mr = 217.26

  • Orthorhombic, P 21 21 21

  • a = 7.1398 (3) Å

  • b = 7.3169 (2) Å

  • c = 20.8466 (9) Å

  • V = 1089.05 (7) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.10 mm−1

  • T = 298 K

  • 0.55 × 0.25 × 0.09 mm
Data collection

  • Oxford Gemini R CCD diffractometer

  • Absorption correction: analytical (Clark & Reid, 1995[Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897.]) Tmin = 0.945, Tmax = 0.991

  • 17428 measured reflections

  • 1308 independent reflections

  • 1161 reflections with I > 2σ(I)

  • Rint = 0.028
Refinement

  • R[F2 > 2σ(F2)] = 0.029

  • wR(F2) = 0.081

  • S = 1.06

  • 1308 reflections

  • 148 parameters

  • H atoms treated by a mixture of independent and constrained refinement

  • Δρmax = 0.16 e Å−3

  • Δρmin = −0.14 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A D⋯A D—H⋯A
O22—H22A⋯O21i 0.82 (3) 1.94 (3) 2.7505 (19) 173 (3)
O24—H24A⋯O22ii 0.91 (3) 2.07 (3) 2.919 (2) 155 (2)
O24—H24B⋯O23iii 0.78 (3) 2.14 (3) 2.907 (2) 167 (3)
Symmetry codes: (i) x, y+1, z; (ii) [x+{\script{1\over 2}}, -y+{\script{5\over 2}}, -z]; (iii) [x-{\script{1\over 2}}, -y+{\script{5\over 2}}, -z].

Data collection: CrysAlis CCD (Oxford Diffraction, 2006[Oxford Diffraction (2006). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Abingdon, Oxfordshire, England.]); cell refinement: CrysAlis RED (Oxford Diffraction, 2006[Oxford Diffraction (2006). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Abingdon, Oxfordshire, England.]); data reduction: CrysAlis RED; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: DIAMOND (Brandenburg, 2001[Brandenburg, K. (2001). DIAMOND. Crystal Impact GbR, Bonn, Germany.]); software used to prepare material for publication: enCIFer (Allen et al., 2004[Allen, F. H., Johnson, O., Shields, G. P., Smith, B. R. & Towler, M. (2004). J. Appl. Cryst. 37, 335-338.]) and PLATON (Spek, 2009[Spek, A. L. (2009). Acta Cryst. D65, 148-155.]).

Supporting information

Crystal structure: contains datablocks I, global. DOI: https://doi.org/10.1107/S1600536810044855/fj2360sup1.cif

Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810044855/fj2360Isup2.hkl

checkCIF report


Comment top

Indolizines based molecules are known for their use as synthetic dyes (Weidner et al., 1989; Jaung & Jung, 2003), fluorescent materials (Rotaru et al., 2005; Saeva & Luss, 1988) and also as key intermediates for the synthesis of indolizine based molecules (Kelin et al., 2001). Indolizines both synthetic and natural have also been ascribed with a number of useful biological activities (Oslund et al., 2008; Asano et al., 2000; Tielmann & Hoenke, 2006) such as antibacterial, antiviral, CNS depressants, anti-HIV, anti-cancer and have been used for treating cardiovascular ailments.

Due to the diverse properties of indolizine derivatives, the structure of the title compound, (I), has been determined as part of our study of the conformational changes caused by different substituents at various positions on the indolizine ring system. The absolute configuration was established by synthesis and is depicted in the scheme and figure. The expected stereochemistry of atoms C5, C6, C7 and C8 was confirmed as S, S, S and S, respectively (Fig. 1). The central six-membered ring is not planar and adopts a chair conformation (Cremer & Pople, 1975). A calculation of least-squares planes shows that this ring is puckered in such a manner that the four atoms C5, C6, C8 and C9 are coplanar to within 0.019 (2) Å, while atoms N1 and C7 are displaced from this plane on opposite sides, with out-of-plane displacements of -0.578 (2) and 0.651 (1) Å, respectively. The oxopyrrolidine ring attached to the indolizine ring system has flat-envelope conformation with atom C4 on the flap (Nardelli, 1983). The deviation of atom C4 from the mean plane of the remaining four atoms N1/C2/C3/C5 is 0.294 (1) Å. The N1—C5 and N1—C9 bonds are approximately equivalent and both are much longer than the N1—C2 bond. Atom N1 is sp2-hybridized, as evidenced by the sum of the valence angles around it (358.4 (2)°). These data are consistent with conjugation of the lone-pair electrons on N1 with the adjacent carbonyl C2═O21. The H atoms (H24A and H24B) of the water molecule form O—H···O intermolecular hydrogen bonds with the O atoms (O22 and O23) of both present hydroxy groups, which may, in part, influence the molecular configuration. There have been observed also another intermolecular O—H···O hydrogen bonds, in which carbonyl oxygen O21 participates as acceptor and atom O22 as donator (Table 1). All the interactions demonstrated were found by PLATON (Spek, 2009).

Related literature top

For the uses of indolizine-based molecules, see: Weidner et al. (1989); Jaung & Jung (2003); Rotaru et al. (2005); Saeva & Luss (1988); Kelin et al. (2001). For biological activities of indolizines , see: Oslund et al. (2008); Asano et al. (2000); Tielmann & Hoenke (2006). For synthesis, see: Šafař et al. (2010). For ring-puckering and conformational analysis, see: Cremer & Pople (1975); Nardelli (1983). For software used to analyse hydrogen bonds, see: Spek (2009). [Please check amended text]

Experimental top

The title compound 6S,7S,8S,8aS)-6-ethyl-7,8-dihydroxyhexahydroindolizin-3(2H)-one monohydrate was prepared according literature procedures of Šafař et al. (2010).

Refinement top

All H atoms were placed in geometrically idealized positions and constrained to ride on their parent atoms, with C—H distances in the range 0.93–0.98 Å and O—H distance 0.85 Å and Uiso set at 1.2Ueq of the parent atom. The absolute configuration could not be reliably determined for this compound using Mo radiation, and has been assigned according to the synthesis; 907 total Friedel pairs have been merged. Due to the absence of anomalous dispersion the Flack parameter was not refined

Structure description top

Indolizines based molecules are known for their use as synthetic dyes (Weidner et al., 1989; Jaung & Jung, 2003), fluorescent materials (Rotaru et al., 2005; Saeva & Luss, 1988) and also as key intermediates for the synthesis of indolizine based molecules (Kelin et al., 2001). Indolizines both synthetic and natural have also been ascribed with a number of useful biological activities (Oslund et al., 2008; Asano et al., 2000; Tielmann & Hoenke, 2006) such as antibacterial, antiviral, CNS depressants, anti-HIV, anti-cancer and have been used for treating cardiovascular ailments.

Due to the diverse properties of indolizine derivatives, the structure of the title compound, (I), has been determined as part of our study of the conformational changes caused by different substituents at various positions on the indolizine ring system. The absolute configuration was established by synthesis and is depicted in the scheme and figure. The expected stereochemistry of atoms C5, C6, C7 and C8 was confirmed as S, S, S and S, respectively (Fig. 1). The central six-membered ring is not planar and adopts a chair conformation (Cremer & Pople, 1975). A calculation of least-squares planes shows that this ring is puckered in such a manner that the four atoms C5, C6, C8 and C9 are coplanar to within 0.019 (2) Å, while atoms N1 and C7 are displaced from this plane on opposite sides, with out-of-plane displacements of -0.578 (2) and 0.651 (1) Å, respectively. The oxopyrrolidine ring attached to the indolizine ring system has flat-envelope conformation with atom C4 on the flap (Nardelli, 1983). The deviation of atom C4 from the mean plane of the remaining four atoms N1/C2/C3/C5 is 0.294 (1) Å. The N1—C5 and N1—C9 bonds are approximately equivalent and both are much longer than the N1—C2 bond. Atom N1 is sp2-hybridized, as evidenced by the sum of the valence angles around it (358.4 (2)°). These data are consistent with conjugation of the lone-pair electrons on N1 with the adjacent carbonyl C2═O21. The H atoms (H24A and H24B) of the water molecule form O—H···O intermolecular hydrogen bonds with the O atoms (O22 and O23) of both present hydroxy groups, which may, in part, influence the molecular configuration. There have been observed also another intermolecular O—H···O hydrogen bonds, in which carbonyl oxygen O21 participates as acceptor and atom O22 as donator (Table 1). All the interactions demonstrated were found by PLATON (Spek, 2009).

For the uses of indolizine-based molecules, see: Weidner et al. (1989); Jaung & Jung (2003); Rotaru et al. (2005); Saeva & Luss (1988); Kelin et al. (2001). For biological activities of indolizines , see: Oslund et al. (2008); Asano et al. (2000); Tielmann & Hoenke (2006). For synthesis, see: Šafař et al. (2010). For ring-puckering and conformational analysis, see: Cremer & Pople (1975); Nardelli (1983). For software used to analyse hydrogen bonds, see: Spek (2009). [Please check amended text]

Computing details top

Data collection: CrysAlis CCD (Oxford Diffraction, 2006); cell refinement: CrysAlis RED (Oxford Diffraction, 2006); data reduction: CrysAlis RED (Oxford Diffraction, 2006); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2001); software used to prepare material for publication: enCIFer (Allen et al., 2004) and PLATON (Spek, 2009).

Figures top
[Figure 1] Fig. 1. Molecular structure of (I) with the atomic numbering scheme. Displacement ellipsoids are drawn at the 50% probability level (Brandenburg, 2001).
[Figure 2] Fig. 2. A packing of the molecule of (I), viewed along the b axis.
(6S,7S,8S,8aS)-6-Ethyl-7,8- dihydroxy-1,5,6,7,8,8a-hexahydroindolizin-3(2H)-one monohydrate top
Crystal data top
C10H17NO3·H2OF(000) = 472
Mr = 217.26Dx = 1.325 Mg m−3
Orthorhombic, P212121Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ac 2abCell parameters from 10421 reflections
a = 7.1398 (3) Åθ = 3.4–29.5°
b = 7.3169 (2) ŵ = 0.10 mm−1
c = 20.8466 (9) ÅT = 298 K
V = 1089.05 (7) Å3Prism, colourless
Z = 40.55 × 0.25 × 0.09 mm
Data collection top
Oxford Gemini R CCD
diffractometer		1308 independent reflections
Radiation source: fine-focus sealed tube1161 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.028
Detector resolution: 10.4340 pixels mm-1θmax = 26.4°, θmin = 4.1°
Rotation method data acquisition using ω and φ scansh = −8→8
Absorption correction: analytical
(Clark & Reid, 1995)		k = −9→9
Tmin = 0.945, Tmax = 0.991l = −26→26
17428 measured reflections
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.029Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.081H atoms treated by a mixture of independent and constrained refinement
S = 1.06 w = 1/[σ2(Fo2) + (0.0511P)2 + 0.0923P]
where P = (Fo2 + 2Fc2)/3
1308 reflections(Δ/σ)max < 0.001
148 parametersΔρmax = 0.16 e Å−3
0 restraintsΔρmin = −0.14 e Å−3
Crystal data top
C10H17NO3·H2OV = 1089.05 (7) Å3
Mr = 217.26Z = 4
Orthorhombic, P212121Mo Kα radiation
a = 7.1398 (3) ŵ = 0.10 mm−1
b = 7.3169 (2) ÅT = 298 K
c = 20.8466 (9) Å0.55 × 0.25 × 0.09 mm
Data collection top
Oxford Gemini R CCD
diffractometer		1308 independent reflections
Absorption correction: analytical
(Clark & Reid, 1995)		1161 reflections with I > 2σ(I)
Tmin = 0.945, Tmax = 0.991Rint = 0.028
17428 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0290 restraints
wR(F2) = 0.081H atoms treated by a mixture of independent and constrained refinement
S = 1.06Δρmax = 0.16 e Å−3
1308 reflectionsΔρmin = −0.14 e Å−3
148 parameters
Special details top

Experimental. face-indexed (Oxford Diffraction, 2006)

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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
C20.7971 (2)0.5950 (2)0.21098 (8)0.0301 (4)
C30.7338 (3)0.7182 (2)0.26470 (8)0.0347 (4)
H3B0.84050.76490.28840.042*
H3A0.65240.65290.29410.042*
C40.6288 (3)0.8728 (3)0.23202 (9)0.0454 (5)
H4B0.66170.98950.25100.054*
H4A0.49460.85530.23580.054*
C50.6903 (2)0.8652 (2)0.16126 (8)0.0314 (4)
H5A0.57900.87360.13390.038*
C60.8300 (3)1.0102 (2)0.14059 (8)0.0331 (4)
H6A0.92841.02270.17310.040*
C70.9168 (3)0.9620 (2)0.07610 (9)0.0359 (4)
H7A0.81750.96640.04370.043*
C81.0011 (2)0.7695 (3)0.07524 (8)0.0341 (4)
H8A1.03870.74300.03100.041*
C90.8502 (3)0.6316 (2)0.09368 (8)0.0339 (4)
H9B0.75290.62980.06120.041*
H9A0.90430.51020.09630.041*
C101.1765 (3)0.7517 (3)0.11756 (10)0.0399 (4)
H10B1.25770.85570.10980.048*
H10A1.13900.75520.16230.048*
C111.2854 (3)0.5778 (3)0.10545 (10)0.0514 (5)
H11C1.39300.57430.13310.062*
H11B1.32550.57450.06150.062*
H11A1.20700.47410.11410.062*
N10.7703 (2)0.68207 (18)0.15522 (7)0.0292 (3)
O210.8643 (2)0.44131 (16)0.21682 (6)0.0420 (3)
O220.7283 (2)1.17774 (17)0.13508 (8)0.0473 (4)
H22A0.776 (4)1.257 (4)0.1571 (12)0.057*
O231.0557 (2)1.0928 (2)0.05882 (8)0.0565 (4)
H23A1.015 (4)1.177 (4)0.0304 (13)0.068*
O240.9507 (2)1.3468 (3)−0.03262 (8)0.0559 (4)
H24A1.013 (4)1.312 (4)−0.0684 (13)0.067*
H24B0.851 (4)1.369 (4)−0.0451 (13)0.067*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
C20.0274 (8)0.0256 (8)0.0373 (9)−0.0042 (7)−0.0022 (7)−0.0007 (7)
C30.0365 (9)0.0329 (8)0.0346 (9)−0.0024 (8)0.0014 (7)−0.0006 (7)
C40.0523 (11)0.0395 (10)0.0444 (11)0.0134 (10)0.0139 (9)0.0010 (9)
C50.0312 (8)0.0270 (8)0.0359 (9)0.0044 (7)−0.0026 (7)−0.0004 (7)
C60.0355 (9)0.0251 (8)0.0387 (9)−0.0008 (8)−0.0106 (7)0.0016 (7)
C70.0325 (9)0.0376 (9)0.0375 (9)−0.0057 (8)−0.0061 (8)0.0108 (8)
C80.0354 (9)0.0404 (9)0.0265 (8)−0.0020 (8)0.0011 (7)0.0010 (7)
C90.0378 (9)0.0327 (9)0.0312 (9)−0.0021 (8)0.0004 (7)−0.0064 (7)
C100.0323 (9)0.0396 (10)0.0478 (11)−0.0019 (9)−0.0005 (8)0.0035 (9)
C110.0504 (12)0.0576 (13)0.0462 (12)0.0150 (11)−0.0002 (10)0.0036 (10)
N10.0316 (7)0.0230 (6)0.0330 (7)0.0003 (6)0.0019 (6)−0.0007 (6)
O210.0514 (8)0.0282 (6)0.0465 (7)0.0091 (6)−0.0047 (7)0.0021 (6)
O220.0560 (9)0.0234 (6)0.0624 (9)0.0034 (7)−0.0181 (7)−0.0010 (6)
O230.0418 (8)0.0553 (9)0.0726 (10)−0.0098 (8)−0.0016 (7)0.0328 (8)
O240.0482 (9)0.0650 (10)0.0546 (9)0.0009 (9)0.0021 (7)0.0157 (8)
Geometric parameters (Å, º) top
C2—O211.228 (2)C7—H7A0.9800
C2—N11.339 (2)C8—C91.525 (2)
C2—C31.507 (2)C8—C101.538 (3)
C3—C41.518 (3)C8—H8A0.9800
C3—H3B0.9700C9—N11.452 (2)
C3—H3A0.9700C9—H9B0.9700
C4—C51.540 (2)C9—H9A0.9700
C4—H4B0.9700C10—C111.513 (3)
C4—H4A0.9700C10—H10B0.9700
C5—N11.462 (2)C10—H10A0.9700
C5—C61.519 (2)C11—H11C0.9600
C5—H5A0.9800C11—H11B0.9600
C6—O221.429 (2)C11—H11A0.9600
C6—C71.522 (3)O22—H22A0.82 (3)
C6—H6A0.9800O23—H23A0.90 (3)
C7—O231.425 (2)O24—H24A0.91 (3)
C7—C81.532 (3)O24—H24B0.78 (3)
O21—C2—N1125.27 (16)C8—C7—H7A107.9
O21—C2—C3126.23 (16)C9—C8—C7109.13 (14)
N1—C2—C3108.50 (14)C9—C8—C10112.01 (14)
C2—C3—C4105.09 (15)C7—C8—C10113.01 (15)
C2—C3—H3B110.7C9—C8—H8A107.5
C4—C3—H3B110.7C7—C8—H8A107.5
C2—C3—H3A110.7C10—C8—H8A107.5
C4—C3—H3A110.7N1—C9—C8109.40 (14)
H3B—C3—H3A108.8N1—C9—H9B109.8
C3—C4—C5105.20 (14)C8—C9—H9B109.8
C3—C4—H4B110.7N1—C9—H9A109.8
C5—C4—H4B110.7C8—C9—H9A109.8
C3—C4—H4A110.7H9B—C9—H9A108.2
C5—C4—H4A110.7C11—C10—C8113.21 (17)
H4B—C4—H4A108.8C11—C10—H10B108.9
N1—C5—C6111.06 (13)C8—C10—H10B108.9
N1—C5—C4103.10 (13)C11—C10—H10A108.9
C6—C5—C4115.70 (15)C8—C10—H10A108.9
N1—C5—H5A108.9H10B—C10—H10A107.7
C6—C5—H5A108.9C10—C11—H11C109.5
C4—C5—H5A108.9C10—C11—H11B109.5
O22—C6—C5106.74 (14)H11C—C11—H11B109.5
O22—C6—C7109.57 (15)C10—C11—H11A109.5
C5—C6—C7110.85 (14)H11C—C11—H11A109.5
O22—C6—H6A109.9H11B—C11—H11A109.5
C5—C6—H6A109.9C2—N1—C9126.13 (14)
C7—C6—H6A109.9C2—N1—C5114.67 (13)
O23—C7—C6110.54 (16)C9—N1—C5117.56 (13)
O23—C7—C8109.97 (14)C6—O22—H22A110.7 (18)
C6—C7—C8112.57 (14)C7—O23—H23A113.7 (16)
O23—C7—H7A107.9H24A—O24—H24B104 (3)
C6—C7—H7A107.9
O21—C2—C3—C4−169.29 (17)C6—C7—C8—C10−68.92 (19)
N1—C2—C3—C411.57 (19)C7—C8—C9—N1−55.28 (18)
C2—C3—C4—C5−17.83 (19)C10—C8—C9—N170.64 (19)
C3—C4—C5—N117.48 (19)C9—C8—C10—C1169.5 (2)
C3—C4—C5—C6−103.96 (16)C7—C8—C10—C11−166.77 (16)
N1—C5—C6—O22167.96 (14)O21—C2—N1—C9−14.3 (3)
C4—C5—C6—O22−74.98 (18)C3—C2—N1—C9164.90 (15)
N1—C5—C6—C748.69 (18)O21—C2—N1—C5−179.17 (16)
C4—C5—C6—C7165.76 (15)C3—C2—N1—C5−0.02 (19)
O22—C6—C7—O2365.90 (18)C8—C9—N1—C2−108.10 (19)
C5—C6—C7—O23−176.56 (14)C8—C9—N1—C556.43 (19)
O22—C6—C7—C8−170.69 (13)C6—C5—N1—C2113.25 (16)
C5—C6—C7—C8−53.14 (19)C4—C5—N1—C2−11.28 (19)
O23—C7—C8—C9−179.85 (15)C6—C5—N1—C9−53.04 (19)
C6—C7—C8—C956.42 (18)C4—C5—N1—C9−177.56 (15)
O23—C7—C8—C1054.81 (19)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O22—H22A···O21i0.82 (3)1.94 (3)2.7505 (19)173 (3)
O24—H24A···O22ii0.91 (3)2.07 (3)2.919 (2)155 (2)
O24—H24B···O23iii0.78 (3)2.14 (3)2.907 (2)167 (3)
Symmetry codes: (i) x, y+1, z; (ii) x+1/2, −y+5/2, −z; (iii) x−1/2, −y+5/2, −z.

Experimental details

Crystal data
Chemical formulaC10H17NO3·H2O
Mr217.26
Crystal system, space groupOrthorhombic, P212121
Temperature (K)298
a, b, c (Å)7.1398 (3), 7.3169 (2), 20.8466 (9)
V (Å3)1089.05 (7)
Z4
Radiation typeMo Kα
µ (mm−1)0.10
Crystal size (mm)0.55 × 0.25 × 0.09
Data collection
DiffractometerOxford Gemini R CCD
Absorption correctionAnalytical
(Clark & Reid, 1995)
Tmin, Tmax0.945, 0.991
No. of measured, independent and
observed [I > 2σ(I)] reflections		17428, 1308, 1161
Rint0.028
(sin θ/λ)max (Å−1)0.625
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.029, 0.081, 1.06
No. of reflections1308
No. of parameters148
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)0.16, −0.14

Computer programs: CrysAlis CCD (Oxford Diffraction, 2006), CrysAlis RED (Oxford Diffraction, 2006), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), DIAMOND (Brandenburg, 2001), enCIFer (Allen et al., 2004) and PLATON (Spek, 2009).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O22—H22A···O21i0.82 (3)1.94 (3)2.7505 (19)173 (3)
O24—H24A···O22ii0.91 (3)2.07 (3)2.919 (2)155 (2)
O24—H24B···O23iii0.78 (3)2.14 (3)2.907 (2)167 (3)
Symmetry codes: (i) x, y+1, z; (ii) x+1/2, −y+5/2, −z; (iii) x−1/2, −y+5/2, −z.
 

Acknowledgements

The authors thank the Grant Agency of the Slovak Republic (grant No. 1/0161/08) and the Structural Funds, Inter­reg IIIA, for financial support in purchasing the diffractometer. We also thank the Development Agency for support under contract No. APVV-0210-07.

References

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ISSN: 2056-9890
Volume 66| Part 12| December 2010| Pages o3112-o3113
https://doi.org/10.1107/S1600536810044855
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