organic compounds
(2E)-1-(2,5-Dimethylthiophen-3-yl)-3-(3-nitrophenyl)prop-2-en-1-one
aDepartment of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, PO Box 80203, Saudi Arabia, bThe Center of Excellence for Advanced Materials Reesrch, King Abdulaziz University, Jeddah 21589, PO Box 80203, Saudi Arabia, and cDepartment of Physics, University of Sargodha, Sargodha, Pakistan
*Correspondence e-mail: dmntahir_uos@yahoo.com
In the title compound, C15H13NO3S, the benzene ring and the five-membered heterocyclic ring are oriented at a dihedral angle of 12.00 (6)°. In the crystal, C—H⋯O interactions generate two types of cyclic motifs, R22(14) and R22(26), connecting the molecules into tapes extending along [101]. In addition, there are π–π stacking interactions between the benzene and thiophene rings with centroid-centroid distances of 3.7263 (14) and 3.7487 (14) Å.
Related literature
For the synthesis of similar compounds, see: Asiri & Khan (2010, 2011); Kalirajan et al. (2009); Patil et al. (2009); Sarojini et al. (2006). For related structures and background references, see: Asiri et al. (2010a,b). For graph-set notation, see: Bernstein et al. (1995).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; 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.
Supporting information
https://doi.org/10.1107/S1600536811047933/gk2432sup1.cif
contains datablocks text, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536811047933/gk2432Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S1600536811047933/gk2432Isup3.cml
A solution of 3-acetyl-2,5-dimethythiophene (0.38 g, 2.5 mmol) and 3-nitro-benzaldehyde (0.37 g, 2.5 mmol) in ethanolic solution of NaOH (3.0 g in 10 ml of methanol) was stirred for 16 h at room temperature. The solution was poured into ice cold water of pH=2 (pH adjusted by HCl). The solid separated was filtered and crystallized from methanol:chloroform to affoard light yellow prisms of (I).
Yield: 78%; m.p. 403–404 K.
IR (KBr) νmax cm-1: 3012 (Ar—H), 2926 (C—H), 1628 (C═O), 1568 (C═C).
1H NMR (DMSO-d6) (δ/p.p.m.): 8.47 (d, J = 1.8 Hz), 8.23 (d, J = 1.2 Hz), 7.73 (d, C═CH, J = 15.6 Hz), 7.40 (d, CH═C, J = 15.6 Hz), 7.89(d, J=7.2 Hz), 7.61 (d, J = 7.8 Hz), 7.27 (s, Ar—H), 2.72 (s, CH3), 2.39 (s, CH3).
The H atoms were positioned geometrically (C–H = 0.93–0.96 Å) and refined as riding with Uiso(H) = xUeq(C), where x = 1.5 for methyl and x = 1.2 for aryl H-atoms.
Claisen–Schmidt reaction is one of the most important reactions for the formation of α, β-unsaturated ketone by condensation between acetophenone and benzaldehyde (Asiri & Khan, 2010). The reaction is catalysed by bases, acids (Patil et al., 2009). It is widely used in the synthesis of important intermediates (Asiri & Khan, 2011) or end-products, pharmaceuticals (Kalirajan et al., 2009). It is also used in the field of matrial sciences such as photoelectronics, photophotonics, photodynamic therapy, electrochemical sensing, optical limiting, langmuir film and photoinitiated polymerization (Sarojini et al., 2006). The title compound (I), (Fig. 1) has been synthesized as a pharmaceutical intermediate. Similar structures to (I) have been published earlier (Asiri et al., 2010a,b and refereces therein).
In (I), the group A (C1—C6), the central propenone B (C7—C9/O3) and the group C (C10—C15/S1) are planar with r. m. s. deviation of 0.003, 0.012 and 0.008 Å, respectively. The dihedral angles between A/B, A/C and B/C are 9.88 (14), 12.00 (6) and 16.09 (12)°, respectively. The nitro group D (O1/N1/O2) is oriented at a dihedral angle of 8.4 (3)° with relation to the benzene ring A. The title compound consists of dimers due to intermolecular H-bonds of C—H···O type, where O-atom is of carbonyl and H-atom is of the nitrophenyl group. This H-bondings form a R22(14) (Fig. 2) ring motif (Bernstein et al., 1995). The same type of H-bonding between methyl and nitro groups consolidate the molecules in the form of one-dimensional polymers with R22(26) ring motifs and extending along the [1 0 1] direction. Moreover there are π···π stacking interactions between the benzene and thiophene rings with centroid-centroid distances of 3.7263 (14)–3.7487 (14) Å.
For the synthesis of similar compounds, see: Asiri & Khan (2010, 2011); Kalirajan et al. (2009); Patil et al. (2009); Sarojini et al. (2006). For related structures and background references, see: Asiri et al. (2010a,b). For graph-set notation, see: Bernstein et al. (1995).
Data collection: APEX2 (Bruker, 2009); cell
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).C15H13NO3S | F(000) = 600 |
Mr = 287.32 | Dx = 1.402 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 1493 reflections |
a = 7.3802 (5) Å | θ = 2.1–25.3° |
b = 13.7973 (9) Å | µ = 0.24 mm−1 |
c = 13.4638 (8) Å | T = 296 K |
β = 96.997 (3)° | Prism, yellow |
V = 1360.77 (15) Å3 | 0.25 × 0.22 × 0.20 mm |
Z = 4 |
Bruker KAPPA APEXII CCD diffractometer | 2466 independent reflections |
Radiation source: fine-focus sealed tube | 1493 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.051 |
Detector resolution: 8.10 pixels mm-1 | θmax = 25.3°, θmin = 2.1° |
ω scans | h = −8→8 |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | k = −13→16 |
Tmin = 0.945, Tmax = 0.955 | l = −16→16 |
10732 measured reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.047 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.117 | H-atom parameters constrained |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0498P)2 + 0.0228P] where P = (Fo2 + 2Fc2)/3 |
2466 reflections | (Δ/σ)max < 0.001 |
183 parameters | Δρmax = 0.17 e Å−3 |
0 restraints | Δρmin = −0.25 e Å−3 |
C15H13NO3S | V = 1360.77 (15) Å3 |
Mr = 287.32 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 7.3802 (5) Å | µ = 0.24 mm−1 |
b = 13.7973 (9) Å | T = 296 K |
c = 13.4638 (8) Å | 0.25 × 0.22 × 0.20 mm |
β = 96.997 (3)° |
Bruker KAPPA APEXII CCD diffractometer | 2466 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 1493 reflections with I > 2σ(I) |
Tmin = 0.945, Tmax = 0.955 | Rint = 0.051 |
10732 measured reflections |
R[F2 > 2σ(F2)] = 0.047 | 0 restraints |
wR(F2) = 0.117 | H-atom parameters constrained |
S = 1.03 | Δρmax = 0.17 e Å−3 |
2466 reflections | Δρmin = −0.25 e Å−3 |
183 parameters |
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. |
x | y | z | Uiso*/Ueq | ||
S1 | 0.21173 (10) | 0.46796 (5) | 0.18440 (5) | 0.0520 (3) | |
O1 | 0.4422 (3) | −0.10573 (18) | 0.51656 (15) | 0.0876 (10) | |
O2 | 0.5017 (3) | −0.25617 (17) | 0.49723 (15) | 0.0892 (10) | |
O3 | 0.0404 (3) | 0.17111 (14) | 0.06130 (14) | 0.0744 (8) | |
N1 | 0.4392 (3) | −0.1786 (2) | 0.46575 (18) | 0.0607 (10) | |
C1 | 0.2331 (3) | −0.07879 (19) | 0.22025 (18) | 0.0413 (9) | |
C2 | 0.3105 (3) | −0.08450 (19) | 0.32014 (17) | 0.0431 (9) | |
C3 | 0.3587 (3) | −0.17332 (19) | 0.36030 (18) | 0.0444 (9) | |
C4 | 0.3343 (4) | −0.2574 (2) | 0.3066 (2) | 0.0577 (11) | |
C5 | 0.2586 (4) | −0.2528 (2) | 0.2088 (2) | 0.0618 (11) | |
C6 | 0.2074 (4) | −0.1642 (2) | 0.1663 (2) | 0.0530 (10) | |
C7 | 0.1775 (3) | 0.01281 (19) | 0.17143 (19) | 0.0457 (10) | |
C8 | 0.2028 (4) | 0.10257 (19) | 0.20395 (18) | 0.0490 (10) | |
C9 | 0.1319 (4) | 0.1860 (2) | 0.14180 (18) | 0.0491 (10) | |
C10 | 0.1748 (3) | 0.28475 (18) | 0.17826 (18) | 0.0419 (9) | |
C11 | 0.1514 (3) | 0.36459 (18) | 0.11758 (18) | 0.0438 (9) | |
C12 | 0.0882 (4) | 0.3718 (2) | 0.00750 (18) | 0.0616 (11) | |
C13 | 0.2414 (3) | 0.31061 (19) | 0.27906 (17) | 0.0439 (9) | |
C14 | 0.2659 (3) | 0.40587 (19) | 0.29503 (17) | 0.0433 (9) | |
C15 | 0.3299 (4) | 0.4582 (2) | 0.39024 (19) | 0.0597 (11) | |
H2 | 0.32910 | −0.02870 | 0.35879 | 0.0517* | |
H4 | 0.36845 | −0.31670 | 0.33608 | 0.0691* | |
H5 | 0.24165 | −0.30911 | 0.17094 | 0.0742* | |
H6 | 0.15459 | −0.16188 | 0.10004 | 0.0636* | |
H7 | 0.11464 | 0.00698 | 0.10753 | 0.0548* | |
H8 | 0.26607 | 0.11362 | 0.26696 | 0.0588* | |
H12A | −0.04283 | 0.37068 | −0.00322 | 0.0925* | |
H12B | 0.13538 | 0.31800 | −0.02658 | 0.0925* | |
H12C | 0.13152 | 0.43128 | −0.01806 | 0.0925* | |
H13 | 0.26568 | 0.26483 | 0.32962 | 0.0527* | |
H15A | 0.45201 | 0.48132 | 0.38808 | 0.0894* | |
H15B | 0.32800 | 0.41479 | 0.44581 | 0.0894* | |
H15C | 0.25052 | 0.51215 | 0.39790 | 0.0894* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0670 (5) | 0.0373 (4) | 0.0511 (4) | 0.0052 (4) | 0.0043 (3) | 0.0067 (3) |
O1 | 0.132 (2) | 0.0787 (18) | 0.0482 (13) | 0.0074 (15) | −0.0048 (13) | −0.0029 (13) |
O2 | 0.120 (2) | 0.0730 (16) | 0.0699 (16) | 0.0207 (15) | −0.0078 (14) | 0.0294 (13) |
O3 | 0.1077 (17) | 0.0512 (13) | 0.0544 (12) | −0.0006 (12) | −0.0302 (12) | 0.0031 (10) |
N1 | 0.0710 (17) | 0.0627 (19) | 0.0483 (16) | 0.0049 (15) | 0.0073 (12) | 0.0161 (15) |
C1 | 0.0439 (16) | 0.0344 (15) | 0.0453 (15) | −0.0035 (13) | 0.0037 (12) | 0.0001 (13) |
C2 | 0.0515 (17) | 0.0361 (16) | 0.0420 (15) | 0.0013 (13) | 0.0067 (12) | −0.0021 (13) |
C3 | 0.0471 (17) | 0.0411 (17) | 0.0445 (15) | −0.0004 (14) | 0.0036 (12) | 0.0072 (14) |
C4 | 0.067 (2) | 0.0354 (17) | 0.069 (2) | 0.0034 (15) | 0.0018 (16) | 0.0096 (16) |
C5 | 0.079 (2) | 0.0352 (17) | 0.068 (2) | −0.0013 (16) | −0.0044 (17) | −0.0073 (15) |
C6 | 0.0605 (19) | 0.0453 (18) | 0.0500 (16) | −0.0025 (15) | −0.0066 (14) | −0.0031 (15) |
C7 | 0.0500 (17) | 0.0423 (18) | 0.0429 (16) | −0.0023 (14) | −0.0016 (12) | 0.0036 (13) |
C8 | 0.0639 (19) | 0.0420 (18) | 0.0384 (15) | 0.0004 (14) | −0.0047 (13) | 0.0029 (13) |
C9 | 0.0582 (18) | 0.0476 (18) | 0.0396 (15) | 0.0023 (14) | −0.0015 (14) | 0.0062 (14) |
C10 | 0.0518 (17) | 0.0342 (16) | 0.0382 (14) | 0.0054 (12) | −0.0003 (12) | 0.0064 (12) |
C11 | 0.0500 (17) | 0.0415 (16) | 0.0396 (14) | 0.0085 (13) | 0.0038 (12) | 0.0040 (13) |
C12 | 0.084 (2) | 0.0536 (19) | 0.0449 (16) | 0.0124 (16) | −0.0011 (15) | 0.0121 (14) |
C13 | 0.0527 (17) | 0.0402 (17) | 0.0376 (15) | 0.0000 (13) | 0.0006 (12) | 0.0106 (12) |
C14 | 0.0451 (16) | 0.0408 (17) | 0.0432 (15) | 0.0011 (13) | 0.0023 (12) | 0.0023 (13) |
C15 | 0.073 (2) | 0.0519 (19) | 0.0524 (17) | −0.0011 (16) | 0.0008 (15) | −0.0062 (14) |
S1—C11 | 1.716 (3) | C10—C13 | 1.431 (3) |
S1—C14 | 1.723 (2) | C11—C12 | 1.502 (3) |
O1—N1 | 1.215 (4) | C13—C14 | 1.341 (4) |
O2—N1 | 1.221 (4) | C14—C15 | 1.497 (4) |
O3—C9 | 1.223 (3) | C2—H2 | 0.9300 |
N1—C3 | 1.473 (3) | C4—H4 | 0.9300 |
C1—C2 | 1.398 (3) | C5—H5 | 0.9300 |
C1—C6 | 1.385 (4) | C6—H6 | 0.9300 |
C1—C7 | 1.460 (4) | C7—H7 | 0.9300 |
C2—C3 | 1.369 (4) | C8—H8 | 0.9300 |
C3—C4 | 1.367 (4) | C12—H12A | 0.9600 |
C4—C5 | 1.368 (4) | C12—H12B | 0.9600 |
C5—C6 | 1.383 (4) | C12—H12C | 0.9600 |
C7—C8 | 1.319 (4) | C13—H13 | 0.9300 |
C8—C9 | 1.481 (4) | C15—H15A | 0.9600 |
C9—C10 | 1.470 (4) | C15—H15B | 0.9600 |
C10—C11 | 1.370 (3) | C15—H15C | 0.9600 |
C11—S1—C14 | 93.33 (12) | C13—C14—C15 | 129.3 (2) |
O1—N1—O2 | 123.4 (2) | C1—C2—H2 | 120.00 |
O1—N1—C3 | 118.7 (2) | C3—C2—H2 | 120.00 |
O2—N1—C3 | 118.0 (2) | C3—C4—H4 | 121.00 |
C2—C1—C6 | 118.1 (2) | C5—C4—H4 | 121.00 |
C2—C1—C7 | 122.8 (2) | C4—C5—H5 | 120.00 |
C6—C1—C7 | 119.2 (2) | C6—C5—H5 | 120.00 |
C1—C2—C3 | 119.1 (2) | C1—C6—H6 | 119.00 |
N1—C3—C2 | 118.7 (2) | C5—C6—H6 | 119.00 |
N1—C3—C4 | 118.7 (2) | C1—C7—H7 | 115.00 |
C2—C3—C4 | 122.7 (2) | C8—C7—H7 | 115.00 |
C3—C4—C5 | 118.8 (3) | C7—C8—H8 | 119.00 |
C4—C5—C6 | 119.9 (3) | C9—C8—H8 | 119.00 |
C1—C6—C5 | 121.5 (2) | C11—C12—H12A | 109.00 |
C1—C7—C8 | 130.0 (2) | C11—C12—H12B | 109.00 |
C7—C8—C9 | 121.1 (2) | C11—C12—H12C | 109.00 |
O3—C9—C8 | 119.3 (2) | H12A—C12—H12B | 109.00 |
O3—C9—C10 | 121.7 (2) | H12A—C12—H12C | 109.00 |
C8—C9—C10 | 119.0 (2) | H12B—C12—H12C | 109.00 |
C9—C10—C11 | 122.7 (2) | C10—C13—H13 | 123.00 |
C9—C10—C13 | 125.7 (2) | C14—C13—H13 | 123.00 |
C11—C10—C13 | 111.7 (2) | C14—C15—H15A | 110.00 |
S1—C11—C10 | 110.48 (18) | C14—C15—H15B | 109.00 |
S1—C11—C12 | 119.47 (19) | C14—C15—H15C | 109.00 |
C10—C11—C12 | 130.0 (2) | H15A—C15—H15B | 110.00 |
C10—C13—C14 | 114.9 (2) | H15A—C15—H15C | 109.00 |
S1—C14—C13 | 109.66 (18) | H15B—C15—H15C | 109.00 |
S1—C14—C15 | 121.10 (19) | ||
C14—S1—C11—C10 | −0.85 (19) | C3—C4—C5—C6 | −0.4 (4) |
C14—S1—C11—C12 | −179.6 (2) | C4—C5—C6—C1 | 0.9 (4) |
C11—S1—C14—C13 | 1.22 (19) | C1—C7—C8—C9 | −179.2 (2) |
C11—S1—C14—C15 | −178.9 (2) | C7—C8—C9—O3 | 3.8 (4) |
O1—N1—C3—C2 | 7.8 (3) | C7—C8—C9—C10 | −175.7 (2) |
O1—N1—C3—C4 | −171.9 (2) | O3—C9—C10—C11 | −14.6 (4) |
O2—N1—C3—C2 | −171.3 (2) | O3—C9—C10—C13 | 164.2 (3) |
O2—N1—C3—C4 | 9.0 (3) | C8—C9—C10—C11 | 164.9 (2) |
C6—C1—C2—C3 | 0.5 (3) | C8—C9—C10—C13 | −16.3 (4) |
C7—C1—C2—C3 | 179.9 (2) | C9—C10—C11—S1 | 179.2 (2) |
C2—C1—C6—C5 | −0.9 (4) | C9—C10—C11—C12 | −2.3 (4) |
C7—C1—C6—C5 | 179.6 (2) | C13—C10—C11—S1 | 0.3 (2) |
C2—C1—C7—C8 | 7.4 (4) | C13—C10—C11—C12 | 178.8 (2) |
C6—C1—C7—C8 | −173.2 (3) | C9—C10—C13—C14 | −178.2 (2) |
C1—C2—C3—N1 | −179.7 (2) | C11—C10—C13—C14 | 0.7 (3) |
C1—C2—C3—C4 | 0.0 (4) | C10—C13—C14—S1 | −1.3 (3) |
N1—C3—C4—C5 | 179.6 (2) | C10—C13—C14—C15 | 178.9 (2) |
C2—C3—C4—C5 | 0.0 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H6···O3i | 0.93 | 2.46 | 3.373 (3) | 168 |
C15—H15B···O2ii | 0.96 | 2.59 | 3.339 (4) | 135 |
Symmetry codes: (i) −x, −y, −z; (ii) −x+1, −y, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C15H13NO3S |
Mr | 287.32 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 296 |
a, b, c (Å) | 7.3802 (5), 13.7973 (9), 13.4638 (8) |
β (°) | 96.997 (3) |
V (Å3) | 1360.77 (15) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.24 |
Crystal size (mm) | 0.25 × 0.22 × 0.20 |
Data collection | |
Diffractometer | Bruker KAPPA APEXII CCD |
Absorption correction | Multi-scan (SADABS; Bruker, 2005) |
Tmin, Tmax | 0.945, 0.955 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 10732, 2466, 1493 |
Rint | 0.051 |
(sin θ/λ)max (Å−1) | 0.600 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.047, 0.117, 1.03 |
No. of reflections | 2466 |
No. of parameters | 183 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.17, −0.25 |
Computer programs: APEX2 (Bruker, 2009), SAINT (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).
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H6···O3i | 0.93 | 2.46 | 3.373 (3) | 168 |
C15—H15B···O2ii | 0.96 | 2.59 | 3.339 (4) | 135 |
Symmetry codes: (i) −x, −y, −z; (ii) −x+1, −y, −z+1. |
Acknowledgements
The authors would like to thank the Chemistry Department, King Abdulaziz University, Jeddah, Saudi Arabia, for providing research facilities.
References
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Claisen–Schmidt reaction is one of the most important reactions for the formation of α, β-unsaturated ketone by condensation between acetophenone and benzaldehyde (Asiri & Khan, 2010). The reaction is catalysed by bases, acids (Patil et al., 2009). It is widely used in the synthesis of important intermediates (Asiri & Khan, 2011) or end-products, pharmaceuticals (Kalirajan et al., 2009). It is also used in the field of matrial sciences such as photoelectronics, photophotonics, photodynamic therapy, electrochemical sensing, optical limiting, langmuir film and photoinitiated polymerization (Sarojini et al., 2006). The title compound (I), (Fig. 1) has been synthesized as a pharmaceutical intermediate. Similar structures to (I) have been published earlier (Asiri et al., 2010a,b and refereces therein).
In (I), the group A (C1—C6), the central propenone B (C7—C9/O3) and the group C (C10—C15/S1) are planar with r. m. s. deviation of 0.003, 0.012 and 0.008 Å, respectively. The dihedral angles between A/B, A/C and B/C are 9.88 (14), 12.00 (6) and 16.09 (12)°, respectively. The nitro group D (O1/N1/O2) is oriented at a dihedral angle of 8.4 (3)° with relation to the benzene ring A. The title compound consists of dimers due to intermolecular H-bonds of C—H···O type, where O-atom is of carbonyl and H-atom is of the nitrophenyl group. This H-bondings form a R22(14) (Fig. 2) ring motif (Bernstein et al., 1995). The same type of H-bonding between methyl and nitro groups consolidate the molecules in the form of one-dimensional polymers with R22(26) ring motifs and extending along the [1 0 1] direction. Moreover there are π···π stacking interactions between the benzene and thiophene rings with centroid-centroid distances of 3.7263 (14)–3.7487 (14) Å.