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

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ISSN: 2056-9890

4-[(E)-({4-[(4-Amino­phen­yl)sulfon­yl]phen­yl}imino)­meth­yl]phenol ethanol monosolvate

aDepartment of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan, and bUniversity of Sargodha, Department of Physics, Sargodha, Pakistan
*Correspondence e-mail: dmntahir_uos@yahoo.com

(Received 11 May 2012; accepted 11 May 2012; online 19 May 2012)

In the title compound, C19H16N2O3S·C2H6O, the 4-hy­droxy­benzyl­idene group is oriented at dihedral angles of 73.17 (7) and 77.06 (7)° with respect to the aniline groups. The sulfonyl group make dihedral angles of 44.89 (13) and 59.16 (12)° with the adjacent aniline groups. In the crystal, a two-dimensional polymeric network parallel to (010) is formed by N—H⋯O, O—H⋯N and O—H⋯O hydrogen bonds. There also exist ππ inter­actions with a distance of 3.5976 (18) Å between the centroids of hy­droxy­phenyl rings.

Related literature

For related structures, see: Bocelli & Cantoni (1990[Bocelli, G. & Cantoni, A. (1990). Acta Cryst. C46, 2257-2259.]).

[Scheme 1]

Experimental

Crystal data
  • C19H16N2O3S·C2H6O

  • Mr = 398.47

  • Monoclinic, P 21 /n

  • a = 8.5281 (3) Å

  • b = 25.3057 (12) Å

  • c = 9.4084 (4) Å

  • β = 96.738 (3)°

  • V = 2016.40 (15) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.19 mm−1

  • T = 296 K

  • 0.35 × 0.25 × 0.20 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 = 0.948, Tmax = 0.968

  • 16497 measured reflections

  • 3969 independent reflections

  • 2400 reflections with I > 2σ(I)

  • Rint = 0.039

Refinement
  • R[F2 > 2σ(F2)] = 0.054

  • wR(F2) = 0.138

  • S = 1.04

  • 3969 reflections

  • 256 parameters

  • H-atom parameters constrained

  • Δρmax = 0.22 e Å−3

  • Δρmin = −0.22 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
O1—H1⋯O4i 0.82 1.89 2.698 (3) 171
N2—H2A⋯O3ii 0.86 2.30 3.105 (3) 156
N2—H2B⋯O2iii 0.86 2.21 3.026 (3) 157
O4—H4⋯N1iv 0.82 2.13 2.926 (3) 162
Symmetry codes: (i) -x+1, -y, -z+2; (ii) x-1, y, z; (iii) [x-{\script{1\over 2}}, -y+{\script{1\over 2}}, z+{\script{1\over 2}}]; (iv) -x+1, -y, -z+1.

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


Comment top

The structure of 4,4'-diamino-diphenylsulfone (Bocelli & Cantoni, 1990), related to the title compound, (I), shown in Fig. 1., has been published previously. In (I), the 4-hydroxybenzaldehyde moiety A (O1/C1–C7), the anilinic moieties of 4,4'-diaminodiphenylsulfone B (N1/C8—C13) and C (C14—C19/N2) are planar with r.m.s. deviation of 0.0125 Å, 0.0320 Å and 0.0151 Å, respectively. The dihedral angles between A/B, A/C and B/C are 73.17 (7)°, 77.06 (7)° and 77.16 (7)°, respectively. The sulfonyl group D (O2/S1/O3) is of course planar. The dihedral angles between B/D and C/D are 59.16 (12)° and 44.89 (13)°, respectively. The molecules are stabilized in the form of two-dimensional polymeric network due to various type of H-bondings (Table 1, Fig. 2). There exist also ππ interaction between the CgA···CgAi [i = 1 - x,-y, 2 - z] at a distance of 3.5976 (18) Å, where CgA is the centroid of phenyl ring (C1—C6).

Related literature top

For related structures, see: Bocelli & Cantoni (1990)

Experimental top

In a 250 ml two-necked round bottomed flask equipped with condenser and magnetic stirrer, 4-hydroxy benzaldehyde (1.22 g, 0.01 mole) was dissolved in 50 ml of dried ethanol under inert atmosphere of nitrogen gas. 4,4'-diaminodiphenylsulfone (1.24 g, 0.005 mole) was added to it. The reaction mixture was refluxed for 6 h with constant stirring, and the progress of the reaction was monitored by TLC [n-hexane/ethanol (3:1)] respectively. The yellow colored product thus obtained was filtered, dried and hence recrystallized in ethanol. Yield: 88%, m.p.: 385 K.

Refinement top

The H-atoms were positioned geometrically (C—H = 0.93–0.97 Å, N—H = 0.86 Å O—H = 0.82 Å) and refined as riding with Uiso(H) = xUeq(C, N, O), where x = 1.5 for methyl groups and x = 1.2 for other H atoms.

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 displacement ellipsoids are drawn at the 50% probability level.
[Figure 2] Fig. 2. The partial packing (PLATON; Spek, 2009) which shows that molecules form two dimensional polymeric network. The H-atoms not involved in H-bondings are omitted for clarity.
4-[(E)-({4-[(4-Aminophenyl)sulfonyl]phenyl}imino)methyl]phenol ethanol monosolvate top
Crystal data top
C19H16N2O3S·C2H6OF(000) = 840
Mr = 398.47Dx = 1.313 Mg m3
Monoclinic, P21/nMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ynCell parameters from 2522 reflections
a = 8.5281 (3) Åθ = 1.6–26.0°
b = 25.3057 (12) ŵ = 0.19 mm1
c = 9.4084 (4) ÅT = 296 K
β = 96.738 (3)°Prism, yellow
V = 2016.40 (15) Å30.35 × 0.25 × 0.20 mm
Z = 4
Data collection top
Bruker Kappa APEXII CCD
diffractometer
3969 independent reflections
Radiation source: fine-focus sealed tube2400 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.039
Detector resolution: 8.00 pixels mm-1θmax = 26.0°, θmin = 1.6°
ω scansh = 1010
Absorption correction: multi-scan
(SADABS; Bruker, 2005)
k = 2831
Tmin = 0.948, Tmax = 0.968l = 1111
16497 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)] = 0.054Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.138H-atom parameters constrained
S = 1.04 w = 1/[σ2(Fo2) + (0.0486P)2 + 0.7969P]
where P = (Fo2 + 2Fc2)/3
3969 reflections(Δ/σ)max < 0.001
256 parametersΔρmax = 0.22 e Å3
0 restraintsΔρmin = 0.22 e Å3
Crystal data top
C19H16N2O3S·C2H6OV = 2016.40 (15) Å3
Mr = 398.47Z = 4
Monoclinic, P21/nMo Kα radiation
a = 8.5281 (3) ŵ = 0.19 mm1
b = 25.3057 (12) ÅT = 296 K
c = 9.4084 (4) Å0.35 × 0.25 × 0.20 mm
β = 96.738 (3)°
Data collection top
Bruker Kappa APEXII CCD
diffractometer
3969 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2005)
2400 reflections with I > 2σ(I)
Tmin = 0.948, Tmax = 0.968Rint = 0.039
16497 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0540 restraints
wR(F2) = 0.138H-atom parameters constrained
S = 1.04Δρmax = 0.22 e Å3
3969 reflectionsΔρmin = 0.22 e Å3
256 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
S10.16578 (8)0.17666 (3)0.09119 (8)0.0587 (3)
O10.4083 (3)0.10515 (8)1.1540 (2)0.0809 (9)
O20.1370 (3)0.14540 (8)0.0375 (2)0.0721 (8)
O30.2983 (2)0.21201 (8)0.1066 (2)0.0758 (8)
N10.2707 (3)0.01949 (9)0.5599 (3)0.0605 (9)
N20.4161 (3)0.28543 (11)0.1989 (3)0.0851 (11)
C10.3681 (3)0.07205 (11)1.0424 (3)0.0588 (11)
C20.4236 (4)0.08302 (12)0.9138 (4)0.0721 (14)
C30.3891 (4)0.05033 (12)0.7990 (3)0.0682 (12)
C40.2988 (3)0.00543 (11)0.8088 (3)0.0562 (10)
C50.2454 (4)0.00539 (13)0.9378 (3)0.0764 (14)
C60.2771 (4)0.02806 (13)1.0536 (3)0.0763 (14)
C70.2612 (3)0.03107 (11)0.6889 (3)0.0609 (11)
C80.2394 (3)0.05957 (11)0.4557 (3)0.0555 (10)
C90.1327 (3)0.04922 (12)0.3366 (3)0.0638 (11)
C100.1075 (3)0.08533 (11)0.2278 (3)0.0602 (11)
C110.1906 (3)0.13213 (10)0.2355 (3)0.0514 (10)
C120.2935 (3)0.14365 (12)0.3551 (3)0.0653 (11)
C130.3182 (3)0.10741 (12)0.4654 (3)0.0659 (11)
C140.0044 (3)0.21204 (10)0.1125 (3)0.0484 (9)
C150.1499 (3)0.19453 (11)0.0475 (3)0.0565 (10)
C160.2849 (3)0.21927 (12)0.0754 (3)0.0595 (11)
C170.2800 (3)0.26199 (11)0.1685 (3)0.0548 (10)
C180.1330 (3)0.28033 (11)0.2303 (3)0.0556 (10)
C190.0020 (3)0.25527 (11)0.2027 (3)0.0561 (10)
O40.7066 (3)0.07876 (9)0.6003 (2)0.0849 (10)
C200.8298 (5)0.11197 (18)0.5671 (5)0.1181 (19)
C210.7841 (6)0.15143 (18)0.4597 (5)0.134 (2)
H10.371540.094071.224960.0971*
H20.485150.112940.905200.0862*
H2A0.505910.273770.160330.1019*
H2B0.412230.311870.256640.1019*
H30.426980.058400.712800.0817*
H50.186670.035870.947370.0913*
H60.236720.020681.139050.0918*
H70.228110.064970.709180.0731*
H90.077620.017430.330230.0765*
H100.034260.078260.148770.0723*
H120.346610.175820.361740.0784*
H130.387910.115230.546200.0789*
H150.155130.165940.014990.0678*
H160.381770.207360.031460.0714*
H180.127090.309650.290260.0667*
H190.099330.267440.245120.0673*
H40.696450.054090.543500.1018*
H20A0.912060.090200.534440.1417*
H20B0.874470.129660.653930.1417*
H21A0.744500.134420.371560.2008*
H21B0.874160.172650.445080.2008*
H21C0.703310.173530.490980.2008*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
S10.0582 (4)0.0594 (5)0.0613 (5)0.0032 (4)0.0187 (3)0.0088 (4)
O10.1062 (18)0.0712 (14)0.0637 (15)0.0133 (12)0.0030 (13)0.0100 (12)
O20.0955 (15)0.0701 (13)0.0547 (14)0.0147 (11)0.0260 (11)0.0005 (11)
O30.0545 (12)0.0784 (14)0.0973 (17)0.0049 (10)0.0206 (11)0.0223 (12)
N10.0746 (16)0.0550 (15)0.0515 (17)0.0026 (12)0.0056 (12)0.0024 (13)
N20.0591 (16)0.099 (2)0.094 (2)0.0173 (14)0.0038 (14)0.0306 (17)
C10.0683 (18)0.0521 (18)0.053 (2)0.0043 (14)0.0049 (15)0.0015 (15)
C20.080 (2)0.061 (2)0.078 (3)0.0171 (16)0.0202 (18)0.0090 (18)
C30.077 (2)0.064 (2)0.066 (2)0.0050 (16)0.0190 (16)0.0022 (17)
C40.0611 (17)0.0522 (17)0.0537 (19)0.0027 (14)0.0005 (14)0.0060 (15)
C50.105 (3)0.067 (2)0.056 (2)0.0257 (18)0.0040 (18)0.0072 (17)
C60.108 (3)0.076 (2)0.045 (2)0.024 (2)0.0099 (17)0.0013 (17)
C70.0653 (18)0.0539 (18)0.062 (2)0.0012 (14)0.0012 (15)0.0033 (16)
C80.0614 (17)0.0513 (17)0.0546 (19)0.0060 (14)0.0105 (14)0.0014 (15)
C90.077 (2)0.0543 (18)0.060 (2)0.0126 (15)0.0077 (16)0.0033 (16)
C100.0671 (18)0.0615 (19)0.0513 (19)0.0070 (15)0.0037 (14)0.0017 (16)
C110.0494 (15)0.0525 (17)0.0538 (19)0.0056 (13)0.0128 (13)0.0009 (14)
C120.0622 (18)0.0519 (18)0.080 (2)0.0065 (14)0.0004 (16)0.0059 (17)
C130.0654 (18)0.064 (2)0.064 (2)0.0024 (15)0.0103 (15)0.0039 (17)
C140.0526 (16)0.0446 (16)0.0484 (17)0.0006 (12)0.0076 (12)0.0003 (13)
C150.0623 (18)0.0548 (17)0.0516 (18)0.0093 (14)0.0029 (14)0.0106 (14)
C160.0509 (17)0.070 (2)0.0550 (19)0.0057 (14)0.0043 (13)0.0053 (16)
C170.0552 (17)0.0585 (18)0.0493 (18)0.0055 (14)0.0007 (13)0.0022 (14)
C180.0622 (18)0.0495 (16)0.0535 (18)0.0006 (14)0.0003 (14)0.0087 (14)
C190.0496 (16)0.0608 (18)0.0568 (19)0.0082 (13)0.0019 (13)0.0012 (15)
O40.1173 (19)0.0697 (15)0.0691 (16)0.0090 (14)0.0174 (14)0.0028 (12)
C200.097 (3)0.113 (3)0.146 (4)0.026 (3)0.022 (3)0.017 (3)
C210.192 (5)0.107 (3)0.098 (3)0.055 (3)0.001 (3)0.017 (3)
Geometric parameters (Å, º) top
S1—O21.443 (2)C14—C151.390 (4)
S1—O31.435 (2)C14—C191.382 (4)
S1—C111.758 (3)C15—C161.363 (4)
S1—C141.737 (3)C16—C171.389 (4)
O1—C11.355 (3)C17—C181.398 (4)
O1—H10.8200C18—C191.366 (4)
O4—C201.409 (5)C2—H20.9300
O4—H40.8200C3—H30.9300
N1—C71.260 (4)C5—H50.9300
N1—C81.414 (4)C6—H60.9300
N2—C171.363 (4)C7—H70.9300
N2—H2B0.8600C9—H90.9300
N2—H2A0.8600C10—H100.9300
C1—C61.368 (4)C12—H120.9300
C1—C21.378 (5)C13—H130.9300
C2—C31.365 (5)C15—H150.9300
C3—C41.382 (4)C16—H160.9300
C4—C51.373 (4)C18—H180.9300
C4—C71.464 (4)C19—H190.9300
C5—C61.381 (4)C20—C211.441 (7)
C8—C131.382 (4)C20—H20A0.9700
C8—C91.383 (4)C20—H20B0.9700
C9—C101.370 (4)C21—H21A0.9600
C10—C111.378 (4)C21—H21B0.9600
C11—C121.375 (4)C21—H21C0.9600
C12—C131.382 (4)
O2—S1—O3118.74 (13)C17—C18—C19120.1 (3)
O2—S1—C11106.85 (12)C14—C19—C18120.7 (2)
O2—S1—C14108.50 (14)C1—C2—H2120.00
O3—S1—C11107.43 (12)C3—C2—H2120.00
O3—S1—C14109.01 (12)C4—C3—H3119.00
C11—S1—C14105.53 (13)C2—C3—H3119.00
C1—O1—H1109.00C4—C5—H5119.00
C20—O4—H4110.00C6—C5—H5119.00
C7—N1—C8118.2 (2)C5—C6—H6120.00
C17—N2—H2B120.00C1—C6—H6120.00
H2A—N2—H2B120.00N1—C7—H7118.00
C17—N2—H2A120.00C4—C7—H7118.00
C2—C1—C6119.2 (3)C8—C9—H9120.00
O1—C1—C2118.3 (3)C10—C9—H9120.00
O1—C1—C6122.5 (3)C11—C10—H10120.00
C1—C2—C3120.6 (3)C9—C10—H10120.00
C2—C3—C4121.0 (3)C13—C12—H12120.00
C5—C4—C7119.3 (3)C11—C12—H12120.00
C3—C4—C7122.7 (3)C8—C13—H13120.00
C3—C4—C5117.9 (3)C12—C13—H13120.00
C4—C5—C6121.4 (3)C14—C15—H15120.00
C1—C6—C5119.9 (3)C16—C15—H15120.00
N1—C7—C4124.2 (3)C17—C16—H16119.00
C9—C8—C13119.2 (3)C15—C16—H16119.00
N1—C8—C13122.1 (2)C17—C18—H18120.00
N1—C8—C9118.6 (3)C19—C18—H18120.00
C8—C9—C10120.6 (3)C18—C19—H19120.00
C9—C10—C11120.0 (3)C14—C19—H19120.00
C10—C11—C12120.0 (3)O4—C20—C21114.9 (4)
S1—C11—C10119.7 (2)O4—C20—H20A109.00
S1—C11—C12120.3 (2)O4—C20—H20B109.00
C11—C12—C13120.0 (3)C21—C20—H20A109.00
C8—C13—C12120.1 (3)C21—C20—H20B109.00
S1—C14—C19120.4 (2)H20A—C20—H20B108.00
C15—C14—C19119.4 (2)C20—C21—H21A109.00
S1—C14—C15120.0 (2)C20—C21—H21B109.00
C14—C15—C16120.0 (3)C20—C21—H21C109.00
C15—C16—C17121.0 (2)H21A—C21—H21B109.00
C16—C17—C18118.7 (2)H21A—C21—H21C109.00
N2—C17—C18120.8 (3)H21B—C21—H21C109.00
N2—C17—C16120.5 (2)
O2—S1—C11—C1033.3 (3)C3—C4—C7—N118.7 (4)
O2—S1—C11—C12146.1 (2)C5—C4—C7—N1162.5 (3)
O3—S1—C11—C10161.7 (2)C4—C5—C6—C12.3 (5)
O3—S1—C11—C1217.7 (3)N1—C8—C9—C10175.1 (3)
C14—S1—C11—C1082.1 (2)C13—C8—C9—C101.4 (4)
C14—S1—C11—C1298.5 (2)N1—C8—C13—C12174.5 (3)
O2—S1—C14—C1522.7 (3)C9—C8—C13—C121.9 (4)
O2—S1—C14—C19162.3 (2)C8—C9—C10—C111.0 (4)
O3—S1—C14—C15153.4 (2)C9—C10—C11—S1176.5 (2)
O3—S1—C14—C1931.7 (3)C9—C10—C11—C122.9 (4)
C11—S1—C14—C1591.5 (2)S1—C11—C12—C13176.9 (2)
C11—S1—C14—C1983.5 (2)C10—C11—C12—C132.5 (4)
C8—N1—C7—C4176.5 (2)C11—C12—C13—C80.1 (4)
C7—N1—C8—C9129.1 (3)S1—C14—C15—C16173.6 (2)
C7—N1—C8—C1354.6 (4)C19—C14—C15—C161.4 (4)
O1—C1—C2—C3178.7 (3)S1—C14—C19—C18173.9 (2)
C6—C1—C2—C30.3 (5)C15—C14—C19—C181.1 (4)
O1—C1—C6—C5177.3 (3)C14—C15—C16—C170.1 (4)
C2—C1—C6—C51.7 (5)C15—C16—C17—N2178.0 (3)
C1—C2—C3—C40.4 (5)C15—C16—C17—C181.9 (4)
C2—C3—C4—C50.3 (5)N2—C17—C18—C19177.7 (3)
C2—C3—C4—C7179.0 (3)C16—C17—C18—C192.2 (4)
C3—C4—C5—C61.6 (5)C17—C18—C19—C140.8 (4)
C7—C4—C5—C6179.6 (3)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O1—H1···O4i0.821.892.698 (3)171
N2—H2A···O3ii0.862.303.105 (3)156
N2—H2B···O2iii0.862.213.026 (3)157
O4—H4···N1iv0.822.132.926 (3)162
Symmetry codes: (i) x+1, y, z+2; (ii) x1, y, z; (iii) x1/2, y+1/2, z+1/2; (iv) x+1, y, z+1.

Experimental details

Crystal data
Chemical formulaC19H16N2O3S·C2H6O
Mr398.47
Crystal system, space groupMonoclinic, P21/n
Temperature (K)296
a, b, c (Å)8.5281 (3), 25.3057 (12), 9.4084 (4)
β (°) 96.738 (3)
V3)2016.40 (15)
Z4
Radiation typeMo Kα
µ (mm1)0.19
Crystal size (mm)0.35 × 0.25 × 0.20
Data collection
DiffractometerBruker Kappa APEXII CCD
diffractometer
Absorption correctionMulti-scan
(SADABS; Bruker, 2005)
Tmin, Tmax0.948, 0.968
No. of measured, independent and
observed [I > 2σ(I)] reflections
16497, 3969, 2400
Rint0.039
(sin θ/λ)max1)0.617
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.054, 0.138, 1.04
No. of reflections3969
No. of parameters256
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.22, 0.22

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
D—H···AD—HH···AD···AD—H···A
O1—H1···O4i0.821.892.698 (3)171
N2—H2A···O3ii0.862.303.105 (3)156
N2—H2B···O2iii0.862.213.026 (3)157
O4—H4···N1iv0.822.132.926 (3)162
Symmetry codes: (i) x+1, y, z+2; (ii) x1, y, z; (iii) x1/2, y+1/2, z+1/2; (iv) x+1, y, z+1.
 

Acknowledgements

The authors acknowledge the provision of funds for the purchase of a diffractometer and encouragement by Dr Muhammad Akram Chaudhary, Vice Chancellor, University of Sargodha, Pakistan. The authors also acknowledge the technical support provided by Syed Muhammad Hussain Rizvi of Bana Inter­national, Karachi, Pakistan.

References

First citationBocelli, G. & Cantoni, A. (1990). Acta Cryst. C46, 2257–2259.  CSD CrossRef CAS Web of Science IUCr Journals Google Scholar
First citationBruker (2005). SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.  Google Scholar
First citationBruker (2009). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.  Google Scholar
First citationFarrugia, L. J. (1997). J. Appl. Cryst. 30, 565.  CrossRef IUCr Journals Google Scholar
First citationFarrugia, L. J. (1999). J. Appl. Cryst. 32, 837–838.  CrossRef CAS IUCr Journals Google Scholar
First citationSheldrick, G. M. (2008). Acta Cryst. A64, 112–122.  Web of Science CrossRef CAS IUCr Journals Google Scholar
First citationSpek, A. L. (2009). Acta Cryst. D65, 148–155.  Web of Science CrossRef CAS IUCr Journals Google Scholar

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