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ISSN: 2056-9890

N-(Phenyl­sulfon­yl)naphtho­[2,1-b]furan-1-carboxamide

aCenter for Advanced Materials and Department of Chemistry, Tumkur University, Tumkur, Karnataka 572 103, India, bDepartment of PG Studies and Research in Physics, Tumkur University, Tumkur, Karnataka 572 103, India, and cDepartment of Chemistry, Kuvempu University, Shankaraghatta, Shimoga, Karnataka, India
*Correspondence e-mail: spal12pm@gmail.com

(Received 14 September 2011; accepted 24 November 2011; online 30 November 2011)

In the title compound, C19H13NO4S, the mol­ecule is twisted at the S atom with a C—S—N—C torsion angle of −65.2 (2)° between the benzene ring and the –SO2—NH—C=O segment. The dihedral angle between the benzene and the naphtho­furan ring system is 83.3 (1)°. In the crystal, mol­ecules are linked by N—H⋯O hydrogen bonds into chains running along the c axis. An intra­molecular N—H⋯O(furan) inter­action is also observed.

Related literature

For related structures, see: Gowda et al. (2009[Gowda, B. T., Foro, S., Suchetan, P. A. & Fuess, H. (2009). Acta Cryst. E65, o2516.], 2010[Gowda, B. T., Foro, S., Nirmala, P. G. & Fuess, H. (2010). Acta Cryst. E66, o1284.]).

[Scheme 1]

Experimental

Crystal data
  • C19H13NO4S

  • Mr = 351.36

  • Monoclinic, P 21 /c

  • a = 13.8504 (10) Å

  • b = 12.2166 (8) Å

  • c = 9.7164 (6) Å

  • β = 101.248 (2)°

  • V = 1612.48 (19) Å3

  • Z = 4

  • Mo Kα radiation

  • μ = 0.23 mm−1

  • T = 299 K

  • 0.35 × 0.3 × 0.25 mm

Data collection
  • Bruker APEXII CCD area-detector diffractometer

  • Absorption correction: multi-scan (SADABS; Sheldrick, 1996[Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.]) Tmin = 0.924, Tmax = 0.945

  • 15289 measured reflections

  • 2986 independent reflections

  • 2394 reflections with I > 2σ(I)

  • Rint = 0.027

Refinement
  • R[F2 > 2σ(F2)] = 0.041

  • wR(F2) = 0.133

  • S = 0.85

  • 2986 reflections

  • 231 parameters

  • 1 restraint

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

  • Δρmax = 0.25 e Å−3

  • Δρmin = −0.38 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
N1—H1N⋯O4 0.79 (3) 2.33 (3) 2.653 (2) 106 (2)
N1—H1N⋯O2i 0.79 (3) 2.66 (1) 3.057 (2) 113 (2)
Symmetry code: (i) [x, -y+{\script{1\over 2}}, z+{\script{1\over 2}}].

Data collection: APEX2 (Bruker, 2004[Bruker (2004). APEX2 and SAINT-Plus. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: APEX2 and SAINT-Plus (Bruker, 2004[Bruker (2004). APEX2 and SAINT-Plus. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT-Plus and XPREP (Bruker, 2004[Bruker (2004). APEX2 and SAINT-Plus. Bruker AXS Inc., Madison, Wisconsin, USA.]); 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.]); software used to prepare material for publication: SHELXL97.

Supporting information


Comment top

Aryl Acyl sulfonamides are known as a potent antitumor agent against a broad spectrum of human tumor xenografts in nude mice. Further,the title compound exhibits antibacterial and antifungal activities (our unpublished results). In order to study the effect of the ring substituents on the solid-state structures of N-naphthofuroyl-sulfonamides, in the present work the structure of N-(Naphthofuroyl)benzenesulfonamide has been determined. The title compound (I) crystallizes in Monoclinic P21/c space group compared to N-(benzoyl)benzenesulfonamide (II) (Gowda et al., 2009) and N-(Phenylsulfonyl)acetamide (III)(Gowda et al., 2010) which crystallizes in Triclinic P-1 and Tetragonal P43space groups respectively. In III, the packing of molecules is linked by N—H···.O(C) hydrogen bonds and in II by N—H···.O(S) bonds, whereas in I, the molecules are linked by intermolecular N—H···.O(S) hydrogen bonds. Intramolecular C—H···..O(S) and NH···..O(furan) interactions are also observed.The molecules are twisted at S atoms with the C—S(O2)—NH—C(O) torsion angle of -65.2 (2)°, compared to the values of -66.9 (3)° in (II) and -58.8 (4)° in (III). The dihedral angle between the benzene ring and the naphthofuran ring in (I) is 83.3 (1)°, compared to 80.3 (1)° observed between the two benzene rings in (II) and 38.7 (0)° in (III) between the benzene ring and the mean plane of CH3 fragement respectively. The packing of the molecules via intermolecular N—H···.O(S) hydrogen bonds is shown in Fig. 2.

Related literature top

For related structures, see: Gowda et al. (2009, 2010).

Experimental top

The title compound was prepared by refluxing a mixture of naphthofuran-2-carboxylic acid (10 mmol),benzenesulfonamide(10 mmol) and phosphorous oxychloride for 1 h on a water bath.The resultant mixture was cooled and poured into ice cold water. The solid, N-(Naphthofuroyl)benzenesulfonamide obtained was filtered, washed thoroughly with water and then dissolved in sodium bicarbonate solution. The compound was later reprecipitated by acidifying the filtered solution with dilute hydrochloric acid. The filtered and dried compound was recrystallized to constant melting point. The compound was characterized by its characteristic carbonyl C=O stretching (1698.2 cm-1), N—H stretching (3233.1 cm-1), symmetric SO2(1173.3 cm-1) and asymmetric SO2 (1326.2 cm-1) infrared absorption frequencies. Single crystals suitable for x-ray diffraction were grown from a slow evaporation of its ethanolic solution at room temperature.

Refinement top

The H atom of the NH group was located in a difference map and later restrained to N—H = 0.86 (1)%A. The other H atoms were positioned with idealized geometry using a riding model with C—H = 0.93 Å. All H atoms were refined with isotropic displacement parameters (set to 1.2 times of the Ueq of the parent atom).

Structure description top

Aryl Acyl sulfonamides are known as a potent antitumor agent against a broad spectrum of human tumor xenografts in nude mice. Further,the title compound exhibits antibacterial and antifungal activities (our unpublished results). In order to study the effect of the ring substituents on the solid-state structures of N-naphthofuroyl-sulfonamides, in the present work the structure of N-(Naphthofuroyl)benzenesulfonamide has been determined. The title compound (I) crystallizes in Monoclinic P21/c space group compared to N-(benzoyl)benzenesulfonamide (II) (Gowda et al., 2009) and N-(Phenylsulfonyl)acetamide (III)(Gowda et al., 2010) which crystallizes in Triclinic P-1 and Tetragonal P43space groups respectively. In III, the packing of molecules is linked by N—H···.O(C) hydrogen bonds and in II by N—H···.O(S) bonds, whereas in I, the molecules are linked by intermolecular N—H···.O(S) hydrogen bonds. Intramolecular C—H···..O(S) and NH···..O(furan) interactions are also observed.The molecules are twisted at S atoms with the C—S(O2)—NH—C(O) torsion angle of -65.2 (2)°, compared to the values of -66.9 (3)° in (II) and -58.8 (4)° in (III). The dihedral angle between the benzene ring and the naphthofuran ring in (I) is 83.3 (1)°, compared to 80.3 (1)° observed between the two benzene rings in (II) and 38.7 (0)° in (III) between the benzene ring and the mean plane of CH3 fragement respectively. The packing of the molecules via intermolecular N—H···.O(S) hydrogen bonds is shown in Fig. 2.

For related structures, see: Gowda et al. (2009, 2010).

Computing details top

Data collection: APEX2 (Bruker, 2004); cell refinement: APEX2 and SAINT-Plus (Bruker, 2004); data reduction: SAINT-Plus and XPREP (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top
[Figure 1] Fig. 1. Molecular structure of the title compound, showing the atom-labllling scheme.
[Figure 2] Fig. 2. Molecular packing in the title compound. Hydrogen bonds are shown as dashed lines.
N-(Phenylsulfonyl)naphtho[2,1-b]furan-1-carboxamide top
Crystal data top
C19H13NO4SF(000) = 728
Mr = 351.361.447 Mg m-3
Monoclinic, P21/cDx = 1.447 Mg m3
Hall symbol: -P 2ybcMo Kα radiation, λ = 0.71073 Å
a = 13.8504 (10) ÅCell parameters from 2986 reflections
b = 12.2166 (8) Åθ = 2.2°
c = 9.7164 (6) ŵ = 0.23 mm1
β = 101.248 (2)°T = 299 K
V = 1612.48 (19) Å3Prism, colourless
Z = 40.35 × 0.3 × 0.25 mm
Data collection top
Bruker APEXII CCD area-detector
diffractometer
2986 independent reflections
Radiation source: fine-focus sealed tube2394 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.027
phi and scansθmax = 25.5°, θmin = 2.9°
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
h = 1616
Tmin = 0.924, Tmax = 0.945k = 1414
15289 measured reflectionsl = 1111
Refinement top
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.041H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.133 w = 1/[σ2(Fo2) + (0.0827P)2 + 1.1854P]
where P = (Fo2 + 2Fc2)/3
S = 0.85(Δ/σ)max = 0.001
2986 reflectionsΔρmax = 0.25 e Å3
231 parametersΔρmin = 0.38 e Å3
1 restraintExtinction correction: SHELXL
Primary atom site location: structure-invariant direct methodsExtinction coefficient: 0.0054 (12)
Crystal data top
C19H13NO4SV = 1612.48 (19) Å3
Mr = 351.36Z = 4
Monoclinic, P21/cMo Kα radiation
a = 13.8504 (10) ŵ = 0.23 mm1
b = 12.2166 (8) ÅT = 299 K
c = 9.7164 (6) Å0.35 × 0.3 × 0.25 mm
β = 101.248 (2)°
Data collection top
Bruker APEXII CCD area-detector
diffractometer
2986 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
2394 reflections with I > 2σ(I)
Tmin = 0.924, Tmax = 0.945Rint = 0.027
15289 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0411 restraint
wR(F2) = 0.133H atoms treated by a mixture of independent and constrained refinement
S = 0.85Δρmax = 0.25 e Å3
2986 reflectionsΔρmin = 0.38 e Å3
231 parameters
Special details top

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
H1N0.8221 (19)0.1816 (19)0.346 (3)0.053 (8)*
S10.72588 (4)0.25754 (5)0.18450 (6)0.0566 (2)
N10.82025 (14)0.24177 (18)0.3158 (2)0.0527 (5)
O10.69636 (15)0.14945 (17)0.1467 (2)0.0910 (7)
O20.75502 (14)0.3299 (2)0.08507 (18)0.0853 (7)
O30.85990 (12)0.42070 (13)0.35980 (18)0.0626 (5)
O40.96215 (10)0.17651 (11)0.52390 (14)0.0448 (4)
C11.14610 (14)0.26862 (18)0.8155 (2)0.0430 (5)
C21.18623 (16)0.3662 (2)0.8774 (2)0.0545 (6)
H21.16440.43320.83760.065*
C31.25770 (18)0.3628 (3)0.9968 (2)0.0663 (7)
H31.28410.42781.03770.08*
C41.29114 (18)0.2631 (3)1.0575 (3)0.0703 (8)
H41.33950.26211.13870.084*
C51.25403 (17)0.1678 (3)0.9995 (2)0.0636 (7)
H51.27710.1021.04160.076*
C61.18038 (15)0.16646 (19)0.8755 (2)0.0488 (5)
C71.14042 (17)0.0666 (2)0.8153 (2)0.0566 (6)
H71.16440.00110.85730.068*
C81.06823 (17)0.06330 (19)0.6984 (2)0.0550 (6)
H81.04260.00250.65930.066*
C91.03480 (14)0.16388 (17)0.6404 (2)0.0425 (5)
C101.06976 (14)0.26419 (16)0.6922 (2)0.0395 (4)
C111.01546 (14)0.34374 (17)0.6020 (2)0.0412 (4)
H111.02250.41940.6090.049*
C120.95188 (13)0.28806 (17)0.5044 (2)0.0404 (4)
C130.87507 (14)0.32539 (18)0.3889 (2)0.0430 (5)
C140.63289 (15)0.3220 (2)0.2518 (2)0.0502 (5)
C160.4993 (2)0.3091 (5)0.3712 (4)0.1040 (13)
H160.46010.26730.41860.125*
C150.57551 (19)0.2612 (3)0.3241 (3)0.0725 (8)
H150.58880.18720.34090.087*
C190.6169 (2)0.4313 (3)0.2335 (4)0.0876 (9)
H190.65670.47410.18820.105*
C170.4807 (3)0.4141 (5)0.3499 (5)0.1213 (18)
H170.42710.4450.38010.146*
C180.5377 (3)0.4776 (4)0.2854 (5)0.1210 (15)
H180.52490.55220.2750.145*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
S10.0409 (3)0.0788 (5)0.0460 (3)0.0105 (3)0.0012 (2)0.0159 (3)
N10.0427 (10)0.0551 (13)0.0552 (11)0.0046 (8)0.0028 (8)0.0053 (9)
O10.0699 (12)0.0851 (14)0.1006 (15)0.0202 (10)0.0264 (11)0.0464 (12)
O20.0582 (10)0.154 (2)0.0440 (9)0.0078 (12)0.0119 (8)0.0091 (11)
O30.0571 (9)0.0564 (10)0.0672 (10)0.0011 (8)0.0051 (8)0.0136 (8)
O40.0406 (7)0.0441 (8)0.0477 (8)0.0006 (6)0.0034 (6)0.0032 (6)
C10.0329 (10)0.0591 (13)0.0383 (10)0.0002 (8)0.0104 (8)0.0039 (9)
C20.0465 (12)0.0679 (15)0.0478 (12)0.0094 (10)0.0056 (9)0.0003 (10)
C30.0515 (13)0.092 (2)0.0534 (13)0.0177 (13)0.0049 (11)0.0072 (13)
C40.0443 (13)0.118 (2)0.0443 (13)0.0070 (14)0.0007 (10)0.0093 (14)
C50.0421 (12)0.098 (2)0.0498 (13)0.0085 (13)0.0078 (10)0.0199 (13)
C60.0367 (10)0.0675 (14)0.0442 (11)0.0060 (9)0.0127 (9)0.0108 (10)
C70.0541 (13)0.0563 (14)0.0599 (13)0.0134 (11)0.0124 (11)0.0145 (11)
C80.0574 (13)0.0458 (13)0.0615 (13)0.0057 (10)0.0104 (11)0.0033 (10)
C90.0364 (10)0.0466 (11)0.0444 (10)0.0023 (8)0.0082 (8)0.0011 (9)
C100.0319 (9)0.0480 (11)0.0392 (10)0.0002 (8)0.0084 (8)0.0028 (8)
C110.0387 (10)0.0414 (11)0.0436 (10)0.0016 (8)0.0082 (8)0.0009 (8)
C120.0350 (9)0.0430 (11)0.0441 (10)0.0011 (8)0.0096 (8)0.0012 (8)
C130.0360 (10)0.0519 (13)0.0413 (10)0.0003 (9)0.0084 (8)0.0004 (9)
C140.0348 (10)0.0639 (14)0.0491 (11)0.0011 (9)0.0009 (9)0.0112 (10)
C160.0497 (17)0.190 (4)0.075 (2)0.017 (2)0.0200 (15)0.028 (3)
C150.0501 (14)0.102 (2)0.0630 (15)0.0128 (13)0.0048 (12)0.0044 (14)
C190.0656 (17)0.072 (2)0.124 (3)0.0113 (14)0.0167 (17)0.0006 (18)
C170.0517 (18)0.186 (5)0.124 (3)0.007 (3)0.011 (2)0.077 (3)
C180.091 (3)0.094 (3)0.170 (4)0.035 (2)0.007 (3)0.037 (3)
Geometric parameters (Å, º) top
S1—O11.410 (2)C7—C81.360 (3)
S1—O21.425 (2)C7—H70.93
S1—N11.650 (2)C8—C91.393 (3)
S1—C141.742 (2)C8—H80.93
N1—C131.383 (3)C9—C101.376 (3)
N1—H1N0.79 (2)C10—C111.422 (3)
O3—C131.207 (2)C11—C121.346 (3)
O4—C91.369 (2)C11—H110.93
O4—C121.379 (2)C12—C131.461 (3)
C1—C21.400 (3)C14—C191.360 (4)
C1—C61.419 (3)C14—C151.377 (3)
C1—C101.436 (3)C16—C171.316 (6)
C2—C31.371 (3)C16—C151.362 (5)
C2—H20.93C16—H160.93
C3—C41.393 (4)C15—H150.93
C3—H30.93C19—C181.412 (5)
C4—C51.350 (4)C19—H190.93
C4—H40.93C17—C181.346 (6)
C5—C61.419 (3)C17—H170.93
C5—H50.93C18—H180.93
C6—C71.418 (3)
O1—S1—O2120.71 (14)O4—C9—C10110.56 (17)
O1—S1—N1103.77 (12)O4—C9—C8124.53 (19)
O2—S1—N1108.08 (11)C10—C9—C8124.91 (19)
O1—S1—C14108.85 (12)C9—C10—C11106.10 (17)
O2—S1—C14107.57 (12)C9—C10—C1119.19 (18)
N1—S1—C14107.12 (10)C11—C10—C1134.70 (19)
C13—N1—S1125.68 (18)C12—C11—C10106.48 (18)
C13—N1—H1N121.3 (19)C12—C11—H11126.8
S1—N1—H1N111.1 (19)C10—C11—H11126.8
C9—O4—C12105.34 (15)C11—C12—O4111.50 (17)
C2—C1—C6119.94 (19)C11—C12—C13131.45 (19)
C2—C1—C10123.80 (19)O4—C12—C13117.01 (17)
C6—C1—C10116.25 (19)O3—C13—N1122.6 (2)
C3—C2—C1119.9 (2)O3—C13—C12123.26 (19)
C3—C2—H2120.1N1—C13—C12114.10 (19)
C1—C2—H2120.1C19—C14—C15120.1 (2)
C2—C3—C4120.7 (2)C19—C14—S1120.5 (2)
C2—C3—H3119.7C15—C14—S1119.4 (2)
C4—C3—H3119.7C17—C16—C15120.4 (4)
C5—C4—C3120.6 (2)C17—C16—H16119.8
C5—C4—H4119.7C15—C16—H16119.8
C3—C4—H4119.7C16—C15—C14120.1 (4)
C4—C5—C6121.1 (2)C16—C15—H15119.9
C4—C5—H5119.4C14—C15—H15119.9
C6—C5—H5119.4C14—C19—C18117.7 (3)
C1—C6—C5117.8 (2)C14—C19—H19121.2
C1—C6—C7120.97 (19)C18—C19—H19121.2
C5—C6—C7121.2 (2)C16—C17—C18121.4 (4)
C8—C7—C6122.3 (2)C16—C17—H17119.3
C8—C7—H7118.8C18—C17—H17119.3
C6—C7—H7118.8C17—C18—C19120.2 (4)
C7—C8—C9116.4 (2)C17—C18—H18119.9
C7—C8—H8121.8C19—C18—H18119.9
C9—C8—H8121.8
O1—S1—N1—C13179.8 (2)C6—C1—C10—C11179.5 (2)
O2—S1—N1—C1350.5 (2)C9—C10—C11—C120.6 (2)
C14—S1—N1—C1365.2 (2)C1—C10—C11—C12178.9 (2)
C6—C1—C2—C30.8 (3)C10—C11—C12—O40.9 (2)
C10—C1—C2—C3178.7 (2)C10—C11—C12—C13177.01 (19)
C1—C2—C3—C40.1 (4)C9—O4—C12—C110.8 (2)
C2—C3—C4—C50.2 (4)C9—O4—C12—C13177.41 (15)
C3—C4—C5—C60.2 (4)S1—N1—C13—O32.0 (3)
C2—C1—C6—C51.1 (3)S1—N1—C13—C12177.46 (15)
C10—C1—C6—C5178.44 (17)C11—C12—C13—O33.4 (3)
C2—C1—C6—C7179.6 (2)O4—C12—C13—O3178.81 (18)
C10—C1—C6—C70.0 (3)C11—C12—C13—N1176.1 (2)
C4—C5—C6—C10.8 (3)O4—C12—C13—N11.7 (2)
C4—C5—C6—C7179.3 (2)O1—S1—C14—C19147.8 (2)
C1—C6—C7—C80.1 (3)O2—S1—C14—C1915.4 (2)
C5—C6—C7—C8178.5 (2)N1—S1—C14—C19100.6 (2)
C6—C7—C8—C90.3 (3)O1—S1—C14—C1532.2 (2)
C12—O4—C9—C100.4 (2)O2—S1—C14—C15164.60 (19)
C12—O4—C9—C8179.38 (19)N1—S1—C14—C1579.4 (2)
C7—C8—C9—O4179.39 (19)C17—C16—C15—C141.1 (5)
C7—C8—C9—C100.4 (3)C19—C14—C15—C163.4 (4)
O4—C9—C10—C110.1 (2)S1—C14—C15—C16176.6 (2)
C8—C9—C10—C11179.9 (2)C15—C14—C19—C182.7 (4)
O4—C9—C10—C1179.47 (15)S1—C14—C19—C18177.3 (3)
C8—C9—C10—C10.3 (3)C15—C16—C17—C182.0 (6)
C2—C1—C10—C9179.43 (19)C16—C17—C18—C192.7 (7)
C6—C1—C10—C90.1 (3)C14—C19—C18—C170.3 (6)
C2—C1—C10—C110.0 (3)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1N···O40.79 (3)2.33 (3)2.653 (2)106 (2)
C19—H19···O20.932.552.890 (4)102
N1—H1N···O2i0.79 (3)2.66 (1)3.057 (2)113 (2)
Symmetry code: (i) x, y+1/2, z+1/2.

Experimental details

Crystal data
Chemical formulaC19H13NO4S
Mr351.36
Crystal system, space groupMonoclinic, P21/c
Temperature (K)299
a, b, c (Å)13.8504 (10), 12.2166 (8), 9.7164 (6)
β (°) 101.248 (2)
V3)1612.48 (19)
Z4
Radiation typeMo Kα
µ (mm1)0.23
Crystal size (mm)0.35 × 0.3 × 0.25
Data collection
DiffractometerBruker APEXII CCD area-detector
Absorption correctionMulti-scan
(SADABS; Sheldrick, 1996)
Tmin, Tmax0.924, 0.945
No. of measured, independent and
observed [I > 2σ(I)] reflections
15289, 2986, 2394
Rint0.027
(sin θ/λ)max1)0.606
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.041, 0.133, 0.85
No. of reflections2986
No. of parameters231
No. of restraints1
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å3)0.25, 0.38

Computer programs: APEX2 (Bruker, 2004), APEX2 and SAINT-Plus (Bruker, 2004), SAINT-Plus and XPREP (Bruker, 2004), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1N···O40.79 (3)2.33 (3)2.653 (2)106 (2)
N1—H1N···O2i0.79 (3)2.656 (3)3.057 (2)113 (2)
Symmetry code: (i) x, y+1/2, z+1/2.
 

Acknowledgements

The authors acknowledge Dr K. Gunasekaran and Jagadeesan CAS in Crystallography and Biophysics, University of Madras, and Dr H. C. Devarajegowda, Yuvaraja's College, Mysore, for useful discusions. The Department of Chemistry, IIT Madras, is acknowledged for the data collection.

References

First citationBruker (2004). APEX2 and SAINT-Plus. Bruker AXS Inc., Madison, Wisconsin, USA.  Google Scholar
First citationFarrugia, L. J. (1997). J. Appl. Cryst. 30, 565.  CrossRef IUCr Journals Google Scholar
First citationGowda, B. T., Foro, S., Nirmala, P. G. & Fuess, H. (2010). Acta Cryst. E66, o1284.  Web of Science CSD CrossRef IUCr Journals Google Scholar
First citationGowda, B. T., Foro, S., Suchetan, P. A. & Fuess, H. (2009). Acta Cryst. E65, o2516.  Web of Science CSD CrossRef IUCr Journals Google Scholar
First citationSheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.  Google Scholar
First citationSheldrick, G. M. (2008). Acta Cryst. A64, 112–122.  Web of Science CrossRef CAS IUCr Journals Google Scholar

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