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ISSN: 2056-9890

2-(4-Chloro­phen­yl)-5-fluoro-3-methyl­sulfinyl-1-benzo­furan

aDepartment of Chemistry, Dongeui University, San 24 Kaya-dong Busanjin-gu, Busan 614-714, Republic of Korea, and bDepartment of Chemistry, Pukyong National University, 599-1 Daeyeon 3-dong, Nam-gu, Busan 608-737, Republic of Korea
*Correspondence e-mail: uklee@pknu.ac.kr

(Received 4 January 2010; accepted 10 January 2010; online 16 January 2010)

In the title compound, C15H10ClFO2S, the O atom and the methyl group of the methyl­sulfinyl substituent are located on opposite sides of the plane through the benzofuran fragment. The 4-chloro­phenyl ring is rotated out of the benzofuran plane, as indicated by the dihedral angle of 21.04 (4)°. The crystal structure exhibits a weak inter­molecular C—H⋯O hydrogen bond and a Cl⋯O halogen bond [Cl⋯O = 3.254 (1) Å].

Related literature

For the crystal structures of similar 5-fluoro-2-(4-halophen­yl)-3-methyl­sulfinyl-1-benzofuran derivatives, see: Choi et al. (2009a[Choi, H. D., Seo, P. J., Son, B. W. & Lee, U. (2009a). Acta Cryst. E65, o2084.],b[Choi, H. D., Seo, P. J., Son, B. W. & Lee, U. (2009b). Acta Cryst. E65, o2115.],c[Choi, H. D., Seo, P. J., Son, B. W. & Lee, U. (2009c). Acta Cryst. E65, o2608.]). For the biological properties of benzofuran compounds, see: Aslam et al. (2006[Aslam, S. N., Stevenson, P. C., Phythian, S. J., Veitch, N. C. & Hall, D. R. (2006). Tetrahedron, 62, 4214-4226.]); Galal et al. (2009[Galal, S. A., Abd El-All, A. S., Abdallah, M. M. & El-Diwani, H. I. (2009). Bioorg. Med. Chem. Lett. 19, 2420-2428.]); Howlett et al. (1999[Howlett, D. R., Perry, A. E., Godfrey, F., Swatton, J. E., Jennings, K. H., Spitzfaden, C., Wadsworth, H., Wood, S. J. & Markwell, R. E. (1999). Biochem. J. 340, 283-289.]). For natural products with benzofuran rings, see: Akgul & Anil (2003[Akgul, Y. Y. & Anil, H. (2003). Phytochemistry, 63, 939-943.]); Soekamto et al. (2003[Soekamto, N. H., Achmad, S. A., Ghisalberti, E. L., Hakim, E. H. & Syah, Y. M. (2003). Phytochemistry, 64, 831-834.]). For a review of halogen bonding, see: Politzer et al. (2007[Politzer, P., Lane, P., Concha, M. C., Ma, Y. & Murray, J. S. (2007). J. Mol. Model. 13, 305-311.]).

[Scheme 1]

Experimental

Crystal data
  • C15H10ClFO2S

  • Mr = 308.74

  • Triclinic, [P \overline 1]

  • a = 7.7088 (5) Å

  • b = 8.5241 (5) Å

  • c = 11.6369 (7) Å

  • α = 74.572 (3)°

  • β = 70.893 (3)°

  • γ = 67.109 (3)°

  • V = 657.13 (7) Å3

  • Z = 2

  • Mo Kα radiation

  • μ = 0.46 mm−1

  • T = 100 K

  • 0.25 × 0.22 × 0.13 mm

Data collection
  • Bruker SMART APEXII CCD diffractometer

  • Absorption correction: multi-scan (SADABS; Bruker, 2009[Bruker (2009). SADABS. APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]) Tmin = 0.895, Tmax = 0.942

  • 10607 measured reflections

  • 3020 independent reflections

  • 2629 reflections with I > 2σ(I)

  • Rint = 0.032

Refinement
  • R[F2 > 2σ(F2)] = 0.032

  • wR(F2) = 0.088

  • S = 1.03

  • 3020 reflections

  • 182 parameters

  • H-atom parameters constrained

  • Δρmax = 0.42 e Å−3

  • Δρmin = −0.27 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
C10—H10⋯O2i 0.93 2.52 3.347 (2) 148
Symmetry code: (i) -x, -y+1, -z+1.

Data collection: APEX2 (Bruker, 2009[Bruker (2009). SADABS. APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Bruker, 2009[Bruker (2009). SADABS. APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT; 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: ORTEP-3 (Farrugia, 1997[Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.]) and DIAMOND (Brandenburg, 1998[Brandenburg, K. (1998). DIAMOND. Crystal Impact GbR, Bonn, Germany.]); software used to prepare material for publication: SHELXL97.

Supporting information


Comment top

Benzofuran ring systems have drawn considerable interest in view of their biological properties (Aslam et al., 2006; Galal et al., 2009; Howlett et al. 1999) and their occurrence as natural products (Akgul & Anil, 2003; Soekamto et al., 2003). As a part of our ongoing studies of the effect of side chain substituents on the solid state structures of 5-fluoro-2-(4-halophenyl)-3-methylsulfinyl-1-benzofuran analogues (Choi et al., 2009a,b,c), we report the crystal structure of the title compound (Fig. 1).

The benzofuran unit is essentially planar, with a mean deviation of 0.006 (1) Å from the least-squares plane defined by the nine constituent atoms. The dihedral angle formed by the plane of the benzofuran and the 4-chlorophenyl ring is 21.04 (4)°. The crystal packing (Fig. 2) is stabilized by a weak intermolecular C–H···O hydrogen bond between the 4-chlorophenyl H atom and the oxygen of the SO unit (Table 1). The molecular packing (Fig. 2) is further stabilized by a Cl···O halogen bond between the chlorine and the oxygen of the SO unit [Cl···O2ii = 3.254 (1) Å; C–Cl···O2 = 163.42 (6)°] (Politzer et al., 2007).

Related literature top

For the crystal structures of similar 5-fluoro-2-(4-halophenyl)-3-methylsulfinyl-1-benzofuran derivatives, see: Choi et al. (2009a,b,c). For the biological properties of benzofuran compounds, see: Aslam et al. (2006); Galal et al. (2009); Howlett et al. (1999). For natural products with benzofuran rings, see: Akgul & Anil (2003); Soekamto et al. (2003). For a review of halogen bonding, see: Politzer et al. (2007).

Experimental top

77% 3-Chloroperoxybenzoic acid (291 mg, 1.3 mmol) was added in small portions to a stirred solution of 2-(4-chlorophenyl)-5-fluoro-3-methylsulfanyl-1-benzofuran (351 mg, 1.2 mmol) in dichloromethane (30 mL) at 273 K. After being stirred at room temperature for 3h, the mixture was washed with saturated sodium bicarbonate solution and the organic layer was separated, dried over magnesium sulfate, filtered and concentrated in vacuum. The residue was purified by column chromatography (hexane-ethyl acetate, 2:1 v/v) to afford the title compound as a colorless solid [yield 81 %, m.p. 442-443 K; Rf = 0.41 (hexane-ethyl acetate, 2:1 v/v)]. Single crystals suitable for X-ray diffraction were prepared by slow evaporation of a solution of the title compound in benzene at room temperature.

Refinement top

All H atoms were positioned geometrically and refined using a riding model, with C-H = 0.93 Å for aromatic H atoms and 0.96 Å for methyl H atoms, and with Uiso(H) = 1.2Ueq(C) for aromatic H atoms and 1.55Ueq(C) for methyl H atoms.

Structure description top

Benzofuran ring systems have drawn considerable interest in view of their biological properties (Aslam et al., 2006; Galal et al., 2009; Howlett et al. 1999) and their occurrence as natural products (Akgul & Anil, 2003; Soekamto et al., 2003). As a part of our ongoing studies of the effect of side chain substituents on the solid state structures of 5-fluoro-2-(4-halophenyl)-3-methylsulfinyl-1-benzofuran analogues (Choi et al., 2009a,b,c), we report the crystal structure of the title compound (Fig. 1).

The benzofuran unit is essentially planar, with a mean deviation of 0.006 (1) Å from the least-squares plane defined by the nine constituent atoms. The dihedral angle formed by the plane of the benzofuran and the 4-chlorophenyl ring is 21.04 (4)°. The crystal packing (Fig. 2) is stabilized by a weak intermolecular C–H···O hydrogen bond between the 4-chlorophenyl H atom and the oxygen of the SO unit (Table 1). The molecular packing (Fig. 2) is further stabilized by a Cl···O halogen bond between the chlorine and the oxygen of the SO unit [Cl···O2ii = 3.254 (1) Å; C–Cl···O2 = 163.42 (6)°] (Politzer et al., 2007).

For the crystal structures of similar 5-fluoro-2-(4-halophenyl)-3-methylsulfinyl-1-benzofuran derivatives, see: Choi et al. (2009a,b,c). For the biological properties of benzofuran compounds, see: Aslam et al. (2006); Galal et al. (2009); Howlett et al. (1999). For natural products with benzofuran rings, see: Akgul & Anil (2003); Soekamto et al. (2003). For a review of halogen bonding, see: Politzer et al. (2007).

Computing details top

Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and DIAMOND (Brandenburg, 1998); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top
[Figure 1] Fig. 1. The molecular structure of the title compound with the atom numbering scheme. Displacement ellipsoids are drawn at the 50% probability level. H atoms are presented as a small spheres of arbitrary radius.
[Figure 2] Fig. 2. C–H···O and C–Cl···O interactions (dotted lines) in the crystal structure of the title compound. [Symmetry codes: (i) - x, - y + 1, - z + 1; (ii) x, y, z + 1; (iii) x, y, z - 1.]
2-(4-Chlorophenyl)-5-fluoro-3-methylsulfinyl-1-benzofuran top
Crystal data top
C15H10ClFO2SZ = 2
Mr = 308.74F(000) = 316
Triclinic, P1Dx = 1.560 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 7.7088 (5) ÅCell parameters from 6597 reflections
b = 8.5241 (5) Åθ = 2.6–27.6°
c = 11.6369 (7) ŵ = 0.46 mm1
α = 74.572 (3)°T = 100 K
β = 70.893 (3)°Block, colourless
γ = 67.109 (3)°0.25 × 0.22 × 0.13 mm
V = 657.13 (7) Å3
Data collection top
Bruker SMART APEXII CCD
diffractometer
3020 independent reflections
Radiation source: Rotating Anode2629 reflections with I > 2σ(I)
HELIOS monochromatorRint = 0.032
Detector resolution: 10.0 pixels mm-1θmax = 27.6°, θmin = 1.9°
φ and ω scansh = 910
Absorption correction: multi-scan
(SADABS; Bruker, 2009)
k = 1111
Tmin = 0.895, Tmax = 0.942l = 1515
10607 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)] = 0.032Hydrogen site location: difference Fourier map
wR(F2) = 0.088H-atom parameters constrained
S = 1.03 w = 1/[σ2(Fo2) + (0.0428P)2 + 0.2892P]
where P = (Fo2 + 2Fc2)/3
3020 reflections(Δ/σ)max < 0.001
182 parametersΔρmax = 0.42 e Å3
0 restraintsΔρmin = 0.27 e Å3
Crystal data top
C15H10ClFO2Sγ = 67.109 (3)°
Mr = 308.74V = 657.13 (7) Å3
Triclinic, P1Z = 2
a = 7.7088 (5) ÅMo Kα radiation
b = 8.5241 (5) ŵ = 0.46 mm1
c = 11.6369 (7) ÅT = 100 K
α = 74.572 (3)°0.25 × 0.22 × 0.13 mm
β = 70.893 (3)°
Data collection top
Bruker SMART APEXII CCD
diffractometer
3020 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2009)
2629 reflections with I > 2σ(I)
Tmin = 0.895, Tmax = 0.942Rint = 0.032
10607 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0320 restraints
wR(F2) = 0.088H-atom parameters constrained
S = 1.03Δρmax = 0.42 e Å3
3020 reflectionsΔρmin = 0.27 e Å3
182 parameters
Special details top

Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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
Cl0.33113 (7)0.22955 (5)1.02698 (4)0.03627 (12)
S0.35910 (5)0.20350 (5)0.40485 (3)0.02555 (11)
F0.16308 (18)0.76845 (15)0.01238 (10)0.0474 (3)
O10.17250 (15)0.67346 (13)0.48816 (10)0.0258 (2)
O20.25799 (18)0.18174 (15)0.32408 (12)0.0356 (3)
C10.2811 (2)0.42581 (18)0.41217 (13)0.0232 (3)
C20.2278 (2)0.56740 (19)0.31515 (14)0.0243 (3)
C30.2310 (2)0.5825 (2)0.19235 (14)0.0299 (3)
H30.27600.48670.15340.036*
C40.1632 (3)0.7478 (2)0.13242 (15)0.0325 (4)
C50.0958 (3)0.8951 (2)0.18489 (16)0.0339 (4)
H50.05201.00320.13870.041*
C60.0940 (2)0.8808 (2)0.30654 (15)0.0302 (3)
H60.05060.97710.34460.036*
C70.1604 (2)0.7151 (2)0.36803 (13)0.0248 (3)
C80.2452 (2)0.49619 (18)0.51340 (13)0.0231 (3)
C90.2682 (2)0.42787 (18)0.63814 (13)0.0225 (3)
C100.1603 (2)0.52936 (19)0.73078 (14)0.0251 (3)
H100.07270.63830.71240.030*
C120.3088 (2)0.3053 (2)0.87660 (13)0.0258 (3)
C110.1826 (2)0.4693 (2)0.84935 (14)0.0277 (3)
H110.11340.53860.91020.033*
C130.4161 (2)0.2011 (2)0.78744 (14)0.0277 (3)
H130.49900.09030.80730.033*
C140.3979 (2)0.2645 (2)0.66813 (14)0.0269 (3)
H140.47340.19710.60670.032*
C150.6025 (2)0.1816 (2)0.31476 (18)0.0396 (4)
H15A0.66810.06560.29790.059*
H15B0.67050.20720.35940.059*
H15C0.59940.26030.23850.059*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Cl0.0509 (3)0.0319 (2)0.0236 (2)0.00862 (18)0.01631 (17)0.00016 (15)
S0.0298 (2)0.01997 (19)0.0270 (2)0.00747 (15)0.00886 (15)0.00284 (14)
F0.0699 (8)0.0475 (7)0.0278 (5)0.0194 (6)0.0255 (5)0.0055 (4)
O10.0325 (6)0.0201 (5)0.0237 (5)0.0059 (4)0.0107 (4)0.0013 (4)
O20.0393 (6)0.0307 (6)0.0433 (7)0.0091 (5)0.0178 (5)0.0107 (5)
C10.0264 (7)0.0195 (7)0.0237 (7)0.0073 (6)0.0084 (5)0.0009 (5)
C20.0262 (7)0.0227 (7)0.0254 (7)0.0095 (6)0.0095 (6)0.0003 (6)
C30.0373 (8)0.0306 (8)0.0252 (7)0.0135 (7)0.0111 (6)0.0025 (6)
C40.0391 (9)0.0381 (9)0.0227 (7)0.0154 (7)0.0151 (6)0.0046 (6)
C50.0374 (9)0.0282 (8)0.0347 (9)0.0110 (7)0.0181 (7)0.0087 (6)
C60.0335 (8)0.0219 (7)0.0340 (8)0.0065 (6)0.0135 (6)0.0006 (6)
C70.0267 (7)0.0255 (7)0.0234 (7)0.0093 (6)0.0100 (6)0.0003 (6)
C80.0230 (7)0.0195 (7)0.0256 (7)0.0058 (5)0.0080 (5)0.0013 (5)
C90.0245 (7)0.0223 (7)0.0224 (7)0.0092 (6)0.0081 (5)0.0013 (5)
C100.0261 (7)0.0216 (7)0.0258 (7)0.0060 (6)0.0079 (6)0.0019 (5)
C120.0301 (7)0.0279 (8)0.0211 (7)0.0114 (6)0.0099 (6)0.0005 (6)
C110.0304 (8)0.0274 (8)0.0240 (7)0.0091 (6)0.0046 (6)0.0055 (6)
C130.0307 (8)0.0229 (7)0.0276 (8)0.0043 (6)0.0130 (6)0.0010 (6)
C140.0295 (8)0.0248 (7)0.0253 (7)0.0049 (6)0.0090 (6)0.0058 (6)
C150.0306 (8)0.0324 (9)0.0527 (11)0.0088 (7)0.0035 (8)0.0131 (8)
Geometric parameters (Å, º) top
Cl—O2i3.254 (1)C6—C71.382 (2)
Cl—C121.737 (2)C6—H60.9300
S—O21.487 (1)C8—C91.455 (2)
S—C11.768 (2)C9—C141.396 (2)
S—C151.788 (2)C9—C101.397 (2)
F—C41.361 (2)C10—C111.381 (2)
O1—C71.373 (2)C10—H100.9300
O1—C81.377 (2)C12—C131.381 (2)
C1—C81.363 (2)C12—C111.382 (2)
C1—C21.447 (2)C11—H110.9300
C2—C71.388 (2)C13—C141.381 (2)
C2—C31.393 (2)C13—H130.9300
C3—C41.374 (2)C14—H140.9300
C3—H30.9300C15—H15A0.9600
C4—C51.382 (3)C15—H15B0.9600
C5—C61.384 (2)C15—H15C0.9600
C5—H50.9300
C12—Cl—O2i163.42 (6)C1—C8—C9134.98 (14)
O2—S—C1107.93 (7)O1—C8—C9114.44 (12)
O2—S—C15105.99 (8)C14—C9—C10118.63 (13)
C1—S—C1597.60 (8)C14—C9—C8122.01 (13)
C7—O1—C8106.67 (11)C10—C9—C8119.35 (13)
C8—C1—C2106.99 (13)C11—C10—C9120.57 (14)
C8—C1—S126.32 (11)C11—C10—H10119.7
C2—C1—S126.50 (11)C9—C10—H10119.7
C7—C2—C3119.55 (14)C13—C12—C11121.54 (14)
C7—C2—C1105.05 (13)C13—C12—Cl119.65 (12)
C3—C2—C1135.40 (14)C11—C12—Cl118.80 (12)
C4—C3—C2115.73 (15)C10—C11—C12119.31 (14)
C4—C3—H3122.1C10—C11—H11120.3
C2—C3—H3122.1C12—C11—H11120.3
F—C4—C3117.68 (15)C12—C13—C14118.74 (14)
F—C4—C5117.49 (15)C12—C13—H13120.6
C3—C4—C5124.84 (15)C14—C13—H13120.6
C4—C5—C6119.63 (15)C13—C14—C9121.16 (14)
C4—C5—H5120.2C13—C14—H14119.4
C6—C5—H5120.2C9—C14—H14119.4
C7—C6—C5116.06 (15)S—C15—H15A109.5
C7—C6—H6122.0S—C15—H15B109.5
C5—C6—H6122.0H15A—C15—H15B109.5
O1—C7—C6125.09 (14)S—C15—H15C109.5
O1—C7—C2110.71 (13)H15A—C15—H15C109.5
C6—C7—C2124.19 (14)H15B—C15—H15C109.5
C1—C8—O1110.57 (13)
O2—S—C1—C8141.66 (14)C1—C2—C7—C6180.00 (14)
C15—S—C1—C8108.75 (15)C2—C1—C8—O10.06 (17)
O2—S—C1—C232.73 (15)S—C1—C8—O1175.34 (10)
C15—S—C1—C276.86 (15)C2—C1—C8—C9179.09 (16)
C8—C1—C2—C70.66 (16)S—C1—C8—C95.6 (3)
S—C1—C2—C7174.61 (11)C7—O1—C8—C10.77 (16)
C8—C1—C2—C3179.28 (17)C7—O1—C8—C9179.99 (12)
S—C1—C2—C35.5 (3)C1—C8—C9—C1422.0 (3)
C7—C2—C3—C40.5 (2)O1—C8—C9—C14156.97 (14)
C1—C2—C3—C4179.56 (16)C1—C8—C9—C10159.18 (17)
C2—C3—C4—F179.79 (14)O1—C8—C9—C1021.82 (19)
C2—C3—C4—C50.5 (3)C14—C9—C10—C110.3 (2)
F—C4—C5—C6179.70 (15)C8—C9—C10—C11178.49 (13)
C3—C4—C5—C60.0 (3)C9—C10—C11—C121.9 (2)
C4—C5—C6—C70.5 (2)C13—C12—C11—C101.3 (2)
C8—O1—C7—C6179.96 (14)Cl—C12—C11—C10178.53 (12)
C8—O1—C7—C21.21 (16)C11—C12—C13—C140.9 (2)
C5—C6—C7—O1179.14 (14)Cl—C12—C13—C14179.24 (12)
C5—C6—C7—C20.5 (2)C12—C13—C14—C92.6 (2)
C3—C2—C7—O1178.79 (13)C10—C9—C14—C131.9 (2)
C1—C2—C7—O11.16 (16)C8—C9—C14—C13179.25 (14)
C3—C2—C7—C60.0 (2)
Symmetry code: (i) x, y, z+1.
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
C10—H10···O2ii0.932.523.347 (2)148
Symmetry code: (ii) x, y+1, z+1.

Experimental details

Crystal data
Chemical formulaC15H10ClFO2S
Mr308.74
Crystal system, space groupTriclinic, P1
Temperature (K)100
a, b, c (Å)7.7088 (5), 8.5241 (5), 11.6369 (7)
α, β, γ (°)74.572 (3), 70.893 (3), 67.109 (3)
V3)657.13 (7)
Z2
Radiation typeMo Kα
µ (mm1)0.46
Crystal size (mm)0.25 × 0.22 × 0.13
Data collection
DiffractometerBruker SMART APEXII CCD
Absorption correctionMulti-scan
(SADABS; Bruker, 2009)
Tmin, Tmax0.895, 0.942
No. of measured, independent and
observed [I > 2σ(I)] reflections
10607, 3020, 2629
Rint0.032
(sin θ/λ)max1)0.651
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.032, 0.088, 1.03
No. of reflections3020
No. of parameters182
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.42, 0.27

Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997) and DIAMOND (Brandenburg, 1998).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
C10—H10···O2i0.932.523.347 (2)148.2
Symmetry code: (i) x, y+1, z+1.
 

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