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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| Page o3100
https://doi.org/10.1107/S1600536810045046

N-(3-Chloro­phen­yl)-2-hy­dr­oxy­benzamide

Abdul Rauf Raza,a Bushra Nisar,a M. Nawaz Tahirb* and Sumaira Shamshada

aDepartment of Chemistry, University of Sargodha, Sargodha, Pakistan, and bDepartment of Physics, University of Sargodha, Sargodha, Pakistan
*Correspondence e-mail: dmntahir_uos@yahoo.com

(Received 24 October 2010; accepted 3 November 2010; online 6 November 2010)

In the title compound, C13H10ClNO2, the dihedral angle between the aromatic rings is 5.57 (9)° and intra­molecular N—H⋯O and C—H⋯O hydrogen bonds both generate S(6) rings. In the crystal, mol­ecules are linked by O—H⋯O hydrogen bonds into C(6) chains propagating along [010]. Mol­ecules from neighbouring chains along the z axis are involved in C—H⋯π and π–π stacking inter­actions [centroid–centroid distance = 3.9340 (10) Å].

Related literature

For pharmacological background to this work, see: Coupet et al. (1979[Coupet, J., Rauh, C. E., Szues-Myers, V. A. & Yunger, L. M. (1979). Biochem. Pharmacol. 28, 2514-2515.]); Pae et al. (2004[Pae, C. U., Yu, H. S., Kim, J., Lee, C. U., Lee, S. J., Lee, K. U., Jun, T. Y., Paik, I. H., Serretti, A. & Lee, C. (2004). Neuropsychobiology, 49, 185-188.]). For related structures, see: Raza et al. (2009[Raza, A. R., Danish, M., Tahir, M. N., Nisar, B. & Park, G. (2009). Acta Cryst. E65, o1042.], 2010a[Raza, A. R., Nisar, B. & Tahir, M. N. (2010a). Acta Cryst. E66, o1852.],b[Raza, A. R., Nisar, B., Tahir, M. N. & Shamshad, S. (2010b). Acta Cryst. E66, o2922.]). For graph-set notation, see: Bernstein et al. (1995[Bernstein, J., Davis, R. E., Shimoni, L. & Chang, N.-L. (1995). Angew. Chem. Int. Ed. Engl. 34, 1555-1573.]).

[Scheme 1]

Experimental

Crystal data

  • C13H10ClNO2

  • Mr = 247.67

  • Monoclinic, P 21 /c

  • a = 13.4638 (5) Å

  • b = 11.9019 (4) Å

  • c = 7.1764 (2) Å

  • β = 98.808 (2)°

  • V = 1136.42 (7) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.32 mm−1

  • T = 296 K

  • 0.24 × 0.16 × 0.15 mm
Data collection

  • Bruker Kappa APEXII CCD diffractometer

  • Absorption correction: multi-scan (SADABS; Bruker, 2005[Bruker (2005). SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]) Tmin = 0.982, Tmax = 0.987

  • 10332 measured reflections

  • 2806 independent reflections

  • 1827 reflections with I > 2σ(I)

  • Rint = 0.033
Refinement

  • R[F2 > 2σ(F2)] = 0.043

  • wR(F2) = 0.115

  • S = 1.03

  • 2806 reflections

  • 161 parameters

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

  • Δρmax = 0.25 e Å−3

  • Δρmin = −0.34 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

Cg1 is the centroid of the C1–C6 benzene ring.
D—H⋯A D—H H⋯A D⋯A D—H⋯A
O1—H1⋯O2i 0.88 (2) 1.73 (2) 2.6016 (18) 173 (2)
N1—H1A⋯O1 0.88 (2) 1.85 (2) 2.606 (2) 143.4 (18)
C13—H13⋯O2 0.93 2.30 2.869 (2) 119
C6—H6⋯Cg1ii 0.93 2.89 3.675 (2) 143
Symmetry codes: (i) [-x+1, y-{\script{1\over 2}}, -z+{\script{3\over 2}}]; (ii) [x, -y+{\script{1\over 2}}, z-{\script{1\over 2}}].

Data collection: APEX2 (Bruker, 2009[Bruker (2009). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Bruker, 2009[Bruker (2009). 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 for Windows (Farrugia, 1997[Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.]) and PLATON (Spek, 2009[Spek, A. L. (2009). Acta Cryst. D65, 148-155.]); software used to prepare material for publication: WinGX (Farrugia, 1999[Farrugia, L. J. (1999). J. Appl. Cryst. 32, 837-838.]) and PLATON.

Supporting information

Crystal structure: contains datablocks global, I. DOI: https://doi.org/10.1107/S1600536810045046/gk2313sup1.cif

Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810045046/gk2313Isup2.hkl

checkCIF report


Comment top

Benzoxazepines are known for their mild tranquilizing activities. Different synthetic derivatives of benzoxazepine are potential biological candidates and exhibit a wide range of biological activities, e.g., anti-inflammatory activity (Pae et al., 2004), anti-depressant and anti-psychotic activity (Coupet et al., 1979). The title compound (I, Fig. 1) has been prepared as a precursor for the asymmetric synthesis of benzoxazepines.

We have reported the crystal structures of (II) i.e., N-(4-chlorophenyl) -2-hydroxybenzamide (Raza et al., 2010a), (III) 2-hydroxy-5-nitro -N-phenylbenzamide (Raza et al., 2010b) and (IV) 2-hydroxy-3-nitro-N-phenylbenzamide (Raza et al., 2009) which are related to the title compound. The title compound differs from (II) due to attachment of chloro group at position-3 instead of position-4.

In (I), the phenyl rings A (C1–C6) of 2-hydroxyphenyl is planar with r. m. s. deviation of 0.012 Å and the O-atom of hydroxy group [O1] is at a distance of -0.078 (2) Å. Similary the phenyl ring B (C8—C13) of 3-chloroanilinic group is planar with r. m. s. deviation of 0.004 Å and the chloro group [CL1] is at a distance of -0.076 (2) Å. The dihedral angle between A/B is 5.57 (9)°. There exist intramolecular H-bonds of N—H···O and C—H···O types (Table 1, Fig. 1) completing S(6) ring motifs (Bernstein et al., 1995). The molecules are arranged to form one dimensional polymeric chains extending along the crystallographic b axis due to intermolecular H-bonds of O—H···O type (Table 1, Fig. 2). The C—H···π interactions (Table 1) and π–π interactions [the centroids of both aromatic rings at a distance of 3.934 (10) Å (symmetry: 1 - x, - y, 1 - z)] play an important role in stabilization of the crystal.

Related literature top

For pharmacological background to this work, see: Coupet et al. (1979); Pae et al. (2004). For related structures, see: Raza et al. (2009, 2010a,b). For graph-set notation, see: Bernstein et al. (1995).

Experimental top

To a well stirred solution of 2-hydroxybenzoic acid (1.38 g, 0.01 mol, 1 eq) and SOCl2 (0.87 ml, 1.42 g, 0.012 mol, 1.2 eq) in dry CHCl3, 3-chloroaniline (1.05 ml, 1.27 g, 0.01 mol, 1 eq) and Et3N (2.08 ml, 1.5 g, 0.015 mol, 1.5 eq) was added slowly at room temperature, followed by reflux for three hours. After the completion of the reaction, the reaction mixture was cooled to room temperature, neutralized with aqueous NaHCO3 (10%) and the title compound was obtained as a white solid. The crude solid was filtered off and recrystallized from CHCl3 to afford white prisms.

Refinement top

The coordinates of H atoms of the amide and hydroxy groups were refined whereas the remaining H atoms were positioned geometrically with C–H = 0.93 Å and were included in the refinement in the riding model approximation. The isotropic displacement parameters of H atoms were set as Uiso(H) = 1.2Ueq(C, N, O).

Structure description top

Benzoxazepines are known for their mild tranquilizing activities. Different synthetic derivatives of benzoxazepine are potential biological candidates and exhibit a wide range of biological activities, e.g., anti-inflammatory activity (Pae et al., 2004), anti-depressant and anti-psychotic activity (Coupet et al., 1979). The title compound (I, Fig. 1) has been prepared as a precursor for the asymmetric synthesis of benzoxazepines.

We have reported the crystal structures of (II) i.e., N-(4-chlorophenyl) -2-hydroxybenzamide (Raza et al., 2010a), (III) 2-hydroxy-5-nitro -N-phenylbenzamide (Raza et al., 2010b) and (IV) 2-hydroxy-3-nitro-N-phenylbenzamide (Raza et al., 2009) which are related to the title compound. The title compound differs from (II) due to attachment of chloro group at position-3 instead of position-4.

In (I), the phenyl rings A (C1–C6) of 2-hydroxyphenyl is planar with r. m. s. deviation of 0.012 Å and the O-atom of hydroxy group [O1] is at a distance of -0.078 (2) Å. Similary the phenyl ring B (C8—C13) of 3-chloroanilinic group is planar with r. m. s. deviation of 0.004 Å and the chloro group [CL1] is at a distance of -0.076 (2) Å. The dihedral angle between A/B is 5.57 (9)°. There exist intramolecular H-bonds of N—H···O and C—H···O types (Table 1, Fig. 1) completing S(6) ring motifs (Bernstein et al., 1995). The molecules are arranged to form one dimensional polymeric chains extending along the crystallographic b axis due to intermolecular H-bonds of O—H···O type (Table 1, Fig. 2). The C—H···π interactions (Table 1) and π–π interactions [the centroids of both aromatic rings at a distance of 3.934 (10) Å (symmetry: 1 - x, - y, 1 - z)] play an important role in stabilization of the crystal.

For pharmacological background to this work, see: Coupet et al. (1979); Pae et al. (2004). For related structures, see: Raza et al. (2009, 2010a,b). For graph-set notation, see: Bernstein et al. (1995).

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 for Windows (Farrugia, 1997) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 1999) and PLATON (Spek, 2009).

Figures top
[Figure 1] Fig. 1. View of the title compound with the atom numbering scheme. The displacement ellipsoids are drawn at the 50% probability level. H atoms are shown by small circles of arbitrary radii. The dotted line indicates intramolecular hydrogen bond.
[Figure 2] Fig. 2. One dimensional polymeric chains via hydrogen bonds - view parallel to the b axis (PLATON; Spek, 2009).
N-(3-Chlorophenyl)-2-hydroxybenzamide top
Crystal data top
C13H10ClNO2F(000) = 512
Mr = 247.67Dx = 1.448 Mg m−3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 1827 reflections
a = 13.4638 (5) Åθ = 1.5–28.5°
b = 11.9019 (4) ŵ = 0.32 mm−1
c = 7.1764 (2) ÅT = 296 K
β = 98.808 (2)°Prism, white
V = 1136.42 (7) Å30.24 × 0.16 × 0.15 mm
Z = 4
Data collection top
Bruker Kappa APEXII CCD
diffractometer		2806 independent reflections
Radiation source: fine-focus sealed tube1827 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.033
Detector resolution: 7.5 pixels mm-1θmax = 28.5°, θmin = 2.3°
ω scansh = −17→17
Absorption correction: multi-scan
(SADABS; Bruker, 2005)		k = −15→15
Tmin = 0.982, Tmax = 0.987l = −5→9
10332 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)] = 0.043Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.115H atoms treated by a mixture of independent and constrained refinement
S = 1.03 w = 1/[σ2(Fo2) + (0.0498P)2 + 0.1662P]
where P = (Fo2 + 2Fc2)/3
2806 reflections(Δ/σ)max = 0.001
161 parametersΔρmax = 0.25 e Å−3
0 restraintsΔρmin = −0.34 e Å−3
Crystal data top
C13H10ClNO2V = 1136.42 (7) Å3
Mr = 247.67Z = 4
Monoclinic, P21/cMo Kα radiation
a = 13.4638 (5) ŵ = 0.32 mm−1
b = 11.9019 (4) ÅT = 296 K
c = 7.1764 (2) Å0.24 × 0.16 × 0.15 mm
β = 98.808 (2)°
Data collection top
Bruker Kappa APEXII CCD
diffractometer		2806 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2005)		1827 reflections with I > 2σ(I)
Tmin = 0.982, Tmax = 0.987Rint = 0.033
10332 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0430 restraints
wR(F2) = 0.115H atoms treated by a mixture of independent and constrained refinement
S = 1.03Δρmax = 0.25 e Å−3
2806 reflectionsΔρmin = −0.34 e Å−3
161 parameters
Special details top

Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles

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
Cl10.95784 (4)−0.09691 (5)0.80925 (10)0.0858 (3)
O10.49322 (9)−0.04858 (10)0.79519 (19)0.0502 (3)
H10.4719 (16)−0.1099 (18)0.840 (3)0.071 (7)*
O20.55912 (9)0.26044 (9)0.57224 (17)0.0480 (3)
N10.61841 (11)0.09050 (11)0.6738 (2)0.0414 (3)
H1A0.5995 (13)0.0264 (16)0.714 (2)0.050*
C10.44202 (12)0.13109 (13)0.6707 (2)0.0365 (4)
C20.41952 (12)0.02934 (13)0.7532 (2)0.0389 (4)
C30.32279 (13)0.00851 (15)0.7912 (2)0.0461 (4)
H30.3090−0.05790.85050.055*
C40.24770 (14)0.08575 (16)0.7414 (3)0.0522 (5)
H40.18340.07140.76770.063*
C50.26700 (13)0.18469 (15)0.6526 (3)0.0536 (5)
H50.21550.23580.61600.064*
C60.36320 (13)0.20707 (14)0.6187 (2)0.0452 (4)
H60.37600.27410.56000.054*
C70.54346 (12)0.16594 (13)0.6345 (2)0.0367 (4)
C80.72051 (13)0.10029 (13)0.6548 (2)0.0390 (4)
C90.78234 (13)0.01425 (15)0.7347 (2)0.0456 (4)
H90.7562−0.04330.80020.055*
C100.88287 (14)0.01472 (16)0.7165 (3)0.0522 (5)
C110.92390 (15)0.09982 (18)0.6235 (3)0.0589 (5)
H110.99200.10010.61410.071*
C120.86155 (14)0.18490 (16)0.5443 (3)0.0547 (5)
H120.88830.24270.48020.066*
C130.76052 (13)0.18621 (14)0.5579 (2)0.0467 (4)
H130.71960.24390.50300.056*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Cl10.0602 (4)0.0860 (5)0.1122 (5)0.0296 (3)0.0165 (3)0.0241 (4)
O10.0486 (7)0.0319 (7)0.0723 (9)0.0043 (6)0.0163 (6)0.0114 (6)
O20.0565 (8)0.0283 (6)0.0615 (8)0.0036 (5)0.0166 (6)0.0055 (5)
N10.0423 (8)0.0303 (7)0.0532 (9)0.0016 (6)0.0123 (6)0.0043 (6)
C10.0434 (9)0.0304 (8)0.0350 (8)0.0017 (7)0.0033 (7)−0.0061 (6)
C20.0437 (9)0.0322 (8)0.0402 (9)0.0015 (7)0.0044 (7)−0.0051 (7)
C30.0465 (10)0.0411 (10)0.0506 (10)−0.0058 (8)0.0076 (8)−0.0008 (8)
C40.0391 (10)0.0557 (12)0.0611 (11)−0.0035 (8)0.0056 (8)−0.0098 (9)
C50.0431 (10)0.0474 (11)0.0666 (12)0.0093 (8)−0.0040 (9)−0.0048 (9)
C60.0463 (10)0.0362 (9)0.0507 (10)0.0044 (8)−0.0010 (8)−0.0024 (7)
C70.0456 (9)0.0273 (8)0.0370 (8)0.0027 (7)0.0062 (7)−0.0049 (6)
C80.0426 (9)0.0351 (9)0.0404 (9)0.0006 (7)0.0095 (7)−0.0055 (7)
C90.0472 (10)0.0415 (10)0.0495 (10)0.0040 (8)0.0122 (8)0.0022 (8)
C100.0467 (10)0.0532 (11)0.0563 (11)0.0094 (9)0.0065 (8)−0.0018 (9)
C110.0426 (10)0.0674 (13)0.0679 (13)−0.0031 (10)0.0125 (9)−0.0082 (10)
C120.0542 (11)0.0509 (11)0.0617 (12)−0.0099 (9)0.0174 (9)−0.0004 (9)
C130.0507 (10)0.0394 (10)0.0508 (10)−0.0028 (8)0.0105 (8)0.0000 (8)
Geometric parameters (Å, º) top
Cl1—C101.7381 (19)C4—H40.9300
O1—C21.3579 (19)C5—C61.380 (2)
O1—H10.87 (2)C5—H50.9300
O2—C71.2400 (19)C6—H60.9300
N1—C71.348 (2)C8—C91.387 (2)
N1—C81.407 (2)C8—C131.391 (2)
N1—H1A0.866 (18)C9—C101.380 (2)
C1—C61.401 (2)C9—H90.9300
C1—C21.401 (2)C10—C111.375 (3)
C1—C71.488 (2)C11—C121.381 (3)
C2—C31.393 (2)C11—H110.9300
C3—C41.373 (2)C12—C131.379 (2)
C3—H30.9300C12—H120.9300
C4—C51.383 (3)C13—H130.9300
C2—O1—H1112.7 (14)O2—C7—N1121.10 (15)
C7—N1—C8129.47 (14)O2—C7—C1121.81 (14)
C7—N1—H1A114.0 (12)N1—C7—C1117.09 (14)
C8—N1—H1A116.5 (12)C9—C8—C13119.72 (16)
C6—C1—C2117.81 (15)C9—C8—N1115.60 (14)
C6—C1—C7116.86 (14)C13—C8—N1124.65 (15)
C2—C1—C7125.34 (14)C10—C9—C8119.55 (17)
O1—C2—C3120.55 (15)C10—C9—H9120.2
O1—C2—C1119.08 (15)C8—C9—H9120.2
C3—C2—C1120.37 (15)C11—C10—C9121.47 (18)
C4—C3—C2120.22 (16)C11—C10—Cl1119.74 (15)
C4—C3—H3119.9C9—C10—Cl1118.78 (15)
C2—C3—H3119.9C10—C11—C12118.42 (18)
C3—C4—C5120.50 (17)C10—C11—H11120.8
C3—C4—H4119.7C12—C11—H11120.8
C5—C4—H4119.7C13—C12—C11121.54 (18)
C6—C5—C4119.56 (17)C13—C12—H12119.2
C6—C5—H5120.2C11—C12—H12119.2
C4—C5—H5120.2C12—C13—C8119.29 (17)
C5—C6—C1121.45 (16)C12—C13—H13120.4
C5—C6—H6119.3C8—C13—H13120.4
C1—C6—H6119.3
C8—N1—C7—O2−0.4 (3)C1—C2—C3—C42.6 (3)
C8—N1—C7—C1−179.66 (16)C2—C3—C4—C50.2 (3)
C7—N1—C8—C9170.31 (17)C3—C4—C5—C6−1.8 (3)
C7—N1—C8—C13−11.9 (3)C4—C5—C6—C10.7 (3)
C6—C1—C2—O1176.28 (15)N1—C8—C9—C10177.43 (18)
C6—C1—C2—C3−3.6 (2)C13—C8—C9—C10−0.4 (3)
C7—C1—C2—O1−4.1 (2)N1—C8—C13—C12−178.15 (19)
C7—C1—C2—C3176.04 (16)C9—C8—C13—C12−0.5 (3)
C2—C1—C6—C52.0 (3)C8—C9—C10—Cl1−177.25 (16)
C7—C1—C6—C5−177.67 (17)C8—C9—C10—C111.4 (3)
C2—C1—C7—O2−175.16 (15)Cl1—C10—C11—C12177.29 (17)
C2—C1—C7—N14.1 (2)C9—C10—C11—C12−1.3 (3)
C6—C1—C7—O24.5 (2)C10—C11—C12—C130.4 (3)
C6—C1—C7—N1−176.25 (15)C11—C12—C13—C80.5 (3)
O1—C2—C3—C4−177.32 (17)
Hydrogen-bond geometry (Å, º) top
Cg1 is the centroid of the C1–C6 benzene ring
D—H···AD—HH···AD···AD—H···A
O1—H1···O2i0.88 (2)1.73 (2)2.6016 (18)173 (2)
N1—H1A···O10.88 (2)1.85 (2)2.606 (2)143.4 (18)
C13—H13···O20.932.302.869 (2)119
C6—H6···Cg1ii0.932.893.675 (2)143
Symmetry codes: (i) −x+1, y−1/2, −z+3/2; (ii) x, −y+1/2, z−1/2.

Experimental details

Crystal data
Chemical formulaC13H10ClNO2
Mr247.67
Crystal system, space groupMonoclinic, P21/c
Temperature (K)296
a, b, c (Å)13.4638 (5), 11.9019 (4), 7.1764 (2)
β (°) 98.808 (2)
V (Å3)1136.42 (7)
Z4
Radiation typeMo Kα
µ (mm−1)0.32
Crystal size (mm)0.24 × 0.16 × 0.15
Data collection
DiffractometerBruker Kappa APEXII CCD
Absorption correctionMulti-scan
(SADABS; Bruker, 2005)
Tmin, Tmax0.982, 0.987
No. of measured, independent and
observed [I > 2σ(I)] reflections		10332, 2806, 1827
Rint0.033
(sin θ/λ)max (Å−1)0.670
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.043, 0.115, 1.03
No. of reflections2806
No. of parameters161
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)0.25, −0.34

Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009), WinGX (Farrugia, 1999) and PLATON (Spek, 2009).

Hydrogen-bond geometry (Å, º) top
Cg1 is the centroid of the C1–C6 benzene ring
D—H···AD—HH···AD···AD—H···A
O1—H1···O2i0.88 (2)1.73 (2)2.6016 (18)173 (2)
N1—H1A···O10.88 (2)1.85 (2)2.606 (2)143.4 (18)
C13—H13···O20.932.302.869 (2)119
C6—H6···Cg1ii0.932.893.675 (2)143
Symmetry codes: (i) −x+1, y−1/2, −z+3/2; (ii) x, −y+1/2, z−1/2.
 

Acknowledgements

The authors acknowledge the provision of funds for the purchase of the diffractometer and encouragement by Dr Muhammad Akram Chaudhary, Vice Chancellor, University of Sargodha, Pakistan.

References

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ISSN: 2056-9890
Volume 66| Part 12| December 2010| Page o3100
https://doi.org/10.1107/S1600536810045046
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