Crystal-structure determination and Hirshfeld surface analysis of two new thio­phene derivatives: (E)-N-{2-[2-(benzo[b]thio­phen-2-yl)ethen­yl]-5-fluoro­phen­yl}benzene­sulfonamide and (E)-N-{2-[2-(benzo[b]thio­phen-2-yl)ethen­yl]-5-fluoro­phen­yl}-N-(but-2-yn-1-yl)benzene­sulfonamide

Madhan, S.; NizamMohideen, M.; Pavunkumar, V.; MohanaKrishnan, A.K.

doi:10.1107/S2056989023006096

research communications

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 79| Part 8| August 2023| Pages 741-746

https://doi.org/10.1107/S2056989023006096

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Crystal-structure determination and Hirshfeld surface analysis of two new thiophene derivatives: (E)-N-{2-[2-(benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}benzenesulfonamide and (E)-N-{2-[2-(benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}-N-(but-2-yn-1-yl)benzenesulfonamide

S. Madhan,^a M. NizamMohideen,^a ^* Vinayagam Pavunkumar ^b and Arasambattu K. MohanaKrishnan ^b

^aDepartment of Physics, The New College, Chennai 600 014, University of Madras, Tamil Nadu, India, and ^bDepartment of Organic Chemistry, University of Madras, Guindy Campus, Chennai-600 025, Tamilnadu, India
^*Correspondence e-mail: mnizam.new@gmail.com

Edited by A. Briceno, Venezuelan Institute of Scientific Research, Venezuela (Received 8 May 2023; accepted 10 July 2023; online 21 July 2023)

In the title compounds, C₂₂H₁₆FNO₂S₂ (I) and C₂₆H₂₀FNO₂S₂ (II), the benzothiophene rings are essentially planar with maximum deviations of 0.009 (1) and 0.001 (1) Å for the carbon and sulfur atom in compounds I and II, respectively. In I, the thiophene ring system is almost orthogonal to the phenyl ring attached to the sulfonyl group, with a dihedral angle of 77.7 (1)°. In compound I, the molecular structure is stabilized by weak C—H⋯O intramolecular interactions formed by the sulfone oxygen atoms, which generate two S(5) ring motifs. In the crystal of I, N—H⋯O hydrogen bonds link the molecules into R²₂(8) rings, which are connected into a C(10) chain via C—H⋯F hydrogen bonds. Intermolecular C—H⋯π interactions are also observed. In compound II, the molecules are linked via C—H⋯O and C—H⋯F hydrogen bonding, generating infinite C(11) and C(13) chains running parallel to [010].

Keywords: crystal structure; thiophene; benzothiophene; flurophenyl; phenylsulfonamide hydrogen bonding; Hirshfeld surface analysis.

CCDC references: 2280606; 2280605

1. Chemical context

Thiophene, C₄H₄S, belongs to a class of aromatic five-membered heterocycles comprising one S heteroatom. Thiophene derivatives possess pharmacological and biological activities including antibacterial (Mishra et al., 2012 ), antiallergic (Gillespie et al., 1985 ), anti-cancer and anti-toxic (Gewald et al., 1966 ), analgesic (Laddi et al., 1998 ; Chen et al., 2008 ), anti-inflammatory (Ferreira et al., 2006 ), antioxidant (Jarak et al., 2005 ), antitumor (Gadad et al., 1994 ), antimicrobial (Abdel-Rahman et al., 2003 ), antihypertensive (Monge Vega et al., 1980 ), anti-diabetes mellitus (Abdelhamid et al., 2009 ), gonadotropin releasing hormone antagonist (Sabins et al., 1944 ) and they are building blocks in many agrochemicals (Ansary & Omar, 2001 ). Thiophene possesses promising pharmacological activities, such as anti-HIV PR inhibitor (Bonini et al., 2005 ) and anti-breast cancer (Brault et al., 2005 ). Benzothiophenes are biologically energetic molecules. One of the most significant drugs based on the benzothiophene structure is Raloxifine, used to treat osteoporosis in postmenopausal women (Jordan, 2003 ). Benzothiophenes are also present in luminescent components used in organic materials (Russell & Press, 1996 ). Thiophene derivatives have a wide variety of applications in optical and electronic systems (Gather et al., 2008 ; He et al., 2009 ) and are used extensively in solar cells (Justin Thomas et al., 2008 ), organic light-emitting diodes (OLEDs) (Mazzeo et al., 2003 ), organic field-effect transistors (OFETs) (Zhan et al., 2007 ) and as NLO devices (Bedworth et al., 1996 ; Raposo et al., 2011 ). Thieno-pyridine products are used in medicine as allosteric adenosine receptors and in the treatment of adenosine-sensitive cardiac arrhythmias (Tumey et al., 2008 ; Grunewald et al., 2008 ). Recognizing the importance of such compounds in drug discovery and our ongoing research into the construction of novel thiophene has prompted us to investigate the title thiophene derivatives and we report herein their synthesis, crystal structures and Hirshfeld surface analysis.

2. Structural commentary

The molecular structure of compound I, C₂₂H₁₆FNO₂S₂ (Fig. 1), comprises a benzothiophene ring system (S1/C1–C8) attached to an N-(5-fluoro-2-vinylphenyl)benzenesulfonamide (C7–C22/N1/S2/O1/O2/F1) while compound II, C₂₆H₂₀FNO₂S₂ (Fig. 2), comprises a benzothiophene ring system (S1/C1–C8) attached to an N-but-2-yn-1-yl-N-(5-fluoro-2-vinylphenyl)benzenesulfonamide (C9–C15/N1/S2/O1/O2). In both compounds, the benzothiophene ring systems (S1/C1–C8) are essentially planar with maximum deviations of 0.009 (1) and 0.001 (1) Å for atom C8 and S1 in compounds I and II, respectively. The mean planes of the thiophene ring system in I make dihedral angles of 1.2 (2), 2.3 (2), 77.7 (2)° with the C1–C6, C11–C16 and C17–C22 phenyl rings. The mean planes of the thiophene ring system in II make dihedral angles of 0.3 (2), 33.3 (2), 25.2 (2)°, respectively, with the C1–C6, C11–C16 and C17–C22 phenyl rings, The benzothiophene ring system in I is almost orthogonal to the C17–C22 ring attached to sulfonyl group with dihedral angle of 77.7 (1)° in I. For both compounds, the bond lengths and angles are close to those observed for similar structures (Madhan et al., 2022 , 2023 ).

Figure 1
The molecular structure of compound I, with atom labelling. Displacement ellipsoids are drawn at the 30% probability level.

Figure 2
The molecular structure of compound II, with atom labelling. Displacement ellipsoids are drawn at the 30% probability level.

In both compounds, the tetrahedral configuration is distorted around atom S1. The increase in the O2—S2—O1 angle [118.64 (9) in I and 120.6 (2)° in II], with a simultaneous decrease in the N1—S2—C17 angle [106.35 (9) in I and 108.3 (2)° in II] from the ideal tetrahedral value (109.5°) are attributed to the Thorpe–Ingold effect (Bassindale, 1984 ). The widening of the angles may be due to the repulsive interaction between the two short S=O bonds. In compound II, the N1—C23 = 1.483 (6) and N1—C16 = 1.450 (5) Å bond lengths in the molecule are longer than the mean Nsp²—Csp² bond-length value of 1.355 (14) Å [Allen et al., 1987 ; Cambridge Structural Database (CSD), Version 5.37; Groom et al., 2016 ]. The elongation observed may be due to the electron-withdrawing character of the phenylsulfonyl group. In compound II, the sum of the bond angles around N1 (354.1°) indicates sp² hybridization.

In compound (I), the molecular structure is stabilized by weak C15—H15⋯O1 intramolecular interactions formed by the sulfone oxygen atoms, which generate two S(5) ring motifs (Fig. 1).

3. Supramolecular features

In the crystal of I, the C10—H10⋯O2ⁱ hydrogen bond generates an inversion dimer with an R₂²(14) ring motif; within the ring, N1—H1N⋯O2ⁱⁱ hydrogen bonds link the molecules into R₂²(8) ring motifs (Fig. 3 and Table 1). These rings are linked by the C(10) chain formed via the C22—H22⋯F1ⁱⁱⁱ hydrogen bonds. No significant C–H⋯π interactions with centroid distances of less than 4Å are observed in the structure.

Table 1
Hydrogen-bond geometry (Å, °) for I

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C15—H15⋯O1	0.93	2.30	2.980 (3)	130
C10—H10⋯02ⁱ	0.93	2.51	3.383 (3)	157
N1—H1N⋯O2ⁱ	0.83 (2)	2.21 (2)	3.001 (2)	161 (2)
C22—H22⋯F1ⁱⁱ	0.93	2.44	3.116 (3)	130
Symmetry codes: (i) ; (ii) $[x, -y+{\script{1\over 2}}, z-{\script{1\over 2}}]$ .

Figure 3
A view along the a axis of the crystal packing of compound I. The hydrogen bonds (Table 1

) are shown as dashed lines, and H atoms not involved in hydrogen bonding have been omitted.

In thecrystal of II, molecules are linked via C2—H2⋯O1ⁱ and C4⋯H4⋯F1ⁱⁱ intermolecular hydrogen bonding, which generates infinite C(11) and C(13) chains running parallel to [010] (Bernstein et al., 1995 ). In addition, the crystal packing features intermolecular C—H⋯π (C23—H23A⋯Cg1ⁱⁱⁱ) interactions, where the Cg1 is the centroid of the C1–C6 ring (Table 2, Fig. 4). No significant π⋯π interactions with intercentroid distances of less than 4Å are observed in either structure.

Table 2
Hydrogen-bond geometry (Å, °) for II

Cg1 is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2⋯O1ⁱ	0.93	2.59	3.483 (7)	162
C4—H4⋯F1ⁱⁱ	0.93	2.52	3.188 (6)	130
C18—H18⋯S1ⁱⁱⁱ	0.93	3.01	3.744 (6)	137
C23—H23A⋯Cg1^iv	0.93	2.69	3.566 (6)	151
Symmetry codes: (i) ; (ii) ; (iii) x, y, z+1; (iv) x+1, y, z+1.

Figure 4
A view along the b axis of the crystal packing of compound II. The hydrogen bonds (Table 2

) are shown as dashed lines, and H atoms not involved in hydrogen bonding have been omitted.

4. Hirshfeld surface analysis

A recent article by Tiekink and collaborators (Tan et al., 2019 ) reviews and describes the uses and utility of Hirshfeld surface analysis (Spackman & Jayatilaka, 2009 ), and the associated two-dimensional fingerprint plots (McKinnon et al., 2007 ), to analyse intermolecular contacts in crystals. The various calculations (d_norm, curvedness and shape index and 2D fingerprint plots) were performed with CrystalExplorer17 (Turner et al., 2017 ).

The Hirshfeld surfaces of compounds I and II mapped over d_norm are given in Fig. 5, and the intermolecular contacts are illustrated in Fig. 6a for I and Fig. 7a for II. They are colour-mapped with the normalized contact distance, d_norm, from red (distances shorter than the sum of the van der Waals radii) through white to blue (distances longer than the sum of the van der Waals radii). The d_norm surface was mapped over a fixed colour scale of −0.434 (red) to 1.449 (blue) for compound I and −0.119 (red) to 1.765 (blue) for compound II, where the red spots indicate the intermolecular contacts involved in the hydrogen bonding. The electrostatic potential was also mapped on the Hirshfeld surface using a STO-3G basis set and the Hartee–Fock level of theory (Spackman et al., 2008 ; Jayatilaka et al., 2005 ). The presence of interactions is indicated by a red and blue colour on the shape-index surface (Fig. 6b for I and 7b for II). Areas on the Hirshfeld surface with high curvedness tend to divide the surface into contact patches with each neighbouring molecule. The coordination number in the crystal is defined by the curvedness of the Hirshfeld surface (Fig. 6c for I and Fig. 7c for II). The nearest neighbour coordination environment of a molecule is identified from the colour patches on the Hirshfeld surface depending on their closeness to adjacent molecules (Fig. 6d for I and Fig. 7d for II).

Figure 5
The Hirshfeld surfaces of compounds I and II, mapped over d_norm.

Figure 6
The Hirshfeld surfaces for visualizing the intermolecular contacts of compound I: (a) d_norm of compound I, showing the various intermolecular contacts in the crystal, (b) shape index, (d) curvedness and (e) fragment patches.

Figure 7
The Hirshfeld surfaces for visualizing the intermolecular contacts of compound II: (a) d_norm of compound II, showing the various intermolecular contacts in the crystal, (b) shape index, (d) curvedness and (e) fragment patches.

The fingerprint plots are given in Figs. 8 and 9. For compound I, they reveal that the principal intermolecular contacts are H⋯H contacts at 36.9% (Fig. 8b), H⋯C/C⋯H contacts at 26.1% (Fig. 8c), O⋯H/H⋯O at 15.1% (Fig. 8d), F⋯H/H⋯F at 9.2% (Fig. 8e), C⋯C at 6.7% (Fig. 8f), S⋯C/C⋯S at 2.2% (Fig. 8g), S⋯H/H⋯S contacts at 0.9% (Fig. 8i), F⋯C/C⋯F at 0.8% (Fig. 8j), N⋯C/C⋯N at 0.7% (Fig. 8k) and N⋯H/H⋯N contacts at 0.3% (Fig. 8l).

Figure 8
The full two-dimensional fingerprint plot for compound I, and fingerprint plots delineated into (b) H⋯H, (c) O⋯H/H⋯O, (d) C⋯H/H⋯C, (e) C⋯C and (f) N⋯H/H⋯N contacts.

Figure 9
The full two-dimensional fingerprint plot for compound II, and fingerprint plots delineated into (b) C⋯C, (c) C⋯H/H⋯C, (d) C⋯·N/N⋯C, (e) C⋯O/O⋯C, (f) H⋯H, (g) N⋯H/H⋯N, (h) O⋯H/H⋯O and (I)

S⋯H/H⋯S contacts.

For compound II, they reveal a similar trend, with the principal intermolecular contacts being H⋯H/H⋯H at 41.4% (Fig. 9b), H⋯C/C⋯H contacts at 25.1% (Fig. 9c), O⋯H/H⋯O at 12.1% (Fig. (9d), F⋯H/H⋯F at 8.1% C⋯C at 4.6% (Fig. 9e), C⋯·C at 4.7% (Fig. 9f), S⋯H/H⋯S contacts at 4.5% (Fig. 9g), S⋯C/C⋯S contacts at 2.1% (Fig. 9h), C⋯O/O⋯C contacts at 1.0% (Fig. 9i), F⋯S/S⋯F at 0.9% (Fig. 9j) and O⋯O contacts at 0.3 (Fig. 9k). In both compounds, the H⋯H intermolecular contacts predominate, followed by the C⋯H/H⋯C and O⋯H/H⋯O contacts.

5. Synthesis and crystallization

Compound I: To a solution of (E)-2-(2-(benzo[b]thiophen-2-yl)vinyl)-5-fluorobenzenaminium chloride (1.2 g, 3.934 mmol) in dry DCM (10 mL), pyridine (0.47 mL, 5.901 mmol) and PhSO₂Cl (0.6 mL, 4.721 mmol) were added and stirred at room temperature for 12 h. After completion of the reaction (monitored by TLC), it was poured into crushed ice (50 g) containing conc. HCl (5 mL), extracted with DCM (2 × 20 mL) then washed with water (2 × 20 mL) and dried (Na₂SO₄). Removal of solvent in vacuo followed by crystallization from diethylether (4 mL) afforded (E)-N-{2-[2-(benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}benzenesulfonamide as a white solid.

Compound II: To a solution of (E)-N-{2-[2-(benzo[b]thiophen-2-yl)vinyl]-5-fluorophenyl}benzenesulfonamide (0.70 g, 1.711 mmol) in CH₃CN (10 mL), K₂CO₃ (0.35 g, 2.567 mmol) and 1-bromobut-2-yne (0.22 mL, 2.567 mmol) were added and stirred at room temperature for 12 h. After completion of the reaction (monitored by TLC), it was poured into crushed ice (50 g) containing conc. HCl (5 mL), extracted with ethyl acetate (2 × 20 mL) then washed with water (2 × 20 mL) and dried (Na₂SO₄). Removal of solvent in vacuo followed by crystallization from methanol (4 mL) afforded (E)-N-{2-[2-(benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}-N-(but-2-yn-1-yl)benzenesulfonamide as a white solid.

6. Refinement

Crystal data, data collection and structure refinement details are summarized in Table 3. For compound I, the NH H atoms were located in difference-Fourier maps and freely refined. For compound II, they were included in calculated positions and refined as riding: N—H = 0.93 Å with U_iso(H) = 1.2U_eq(N). All C-bound H atoms were positioned geometrically and constrained to ride on their parent atoms: C–H = 0.93–0.97 Å with U_iso(H) = 1.5U_eq(C-methyl) and 1.2U_eq(C) for other H atoms. In compound I, the thiophene ring is disordered over two positions with a refined occupancy ratio of 0.756 (4):0.244 (3). The geometries were regularized using soft restraints.

Table 3
Experimental details

	I	II
Crystal data
Chemical formula	C₂₂H₁₆FNO₂S₂	C₂₆H₂₀FNO₂S₂
M_r	409.48	461.55
Crystal system, space group	Monoclinic, P2₁/c	Monoclinic, P2₁/c
Temperature (K)	297	297
a, b, c (Å)	7.9588 (1), 25.9840 (4), 9.5178 (2)	9.3517 (3), 31.7075 (11), 8.6063 (3)
β (°)	96.853 (1)	115.179 (2)
V (Å³)	1954.23 (6)	2309.45 (14)
Z	4	4
Radiation type	Cu Kα	Cu Kα
μ (mm⁻¹)	2.70	2.35
Crystal size (mm)	0.15 × 0.10 × 0.08	0.11 × 0.07 × 0.02

Data collection
Diffractometer	Bruker D8 Venture Diffractometer	Bruker D8 Venture Diffractometer
Absorption correction	Multi-scan (SADABS; Bruker, 2016 )	Multi-scan (SADABS; Bruker, 2016)
T_min, T_max	0.589, 0.753	0.604, 0.753
No. of measured, independent and observed [I > 2σ(I)] reflections	44325, 3597, 2964	39443, 4270, 2098
R_int	0.049	0.155
(sin θ/λ)_max (Å⁻¹)	0.604	0.605

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.042, 0.115, 1.03	0.066, 0.232, 1.00
No. of reflections	3597	4270
No. of parameters	272	291
No. of restraints	11	0
H-atom treatment	H atoms treated by a mixture of independent and constrained refinement	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	0.21, −0.28	0.33, −0.38
Computer programs: APEX2 and SAINT (Bruker, 2016), SHELXS2018/3 (Sheldrick, 2008 ), SHELXL2018/3 (Sheldrick, 2015 ), ORTEP-3 for Windows and WinGX (Farrugia, 2012 ), Mercury (Macrae et al., 2020 ), publCIF (Westrip, 2010 ) and PLATON (Spek, 2020 ).

Supporting information

CCDC references: 2280606; 2280605

Crystal structure: contains datablocks global, I, II. DOI: https://doi.org/10.1107/S2056989023006096/zn2029sup1.cif

Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989023006096/zn2029Isup2.hkl

Structure factors: contains datablock II. DOI: https://doi.org/10.1107/S2056989023006096/zn2029IIsup3.hkl

Supporting information file. DOI: https://doi.org/10.1107/S2056989023006096/zn2029Isup4.cml

Supporting information file. DOI: https://doi.org/10.1107/S2056989023006096/zn2029IIsup5.cml

checkCIF report

Computing details top

For both structures, data collection: APEX2 (Bruker, 2016); cell refinement: SAINT (Bruker, 2016); data reduction: SAINT (Bruker, 2016); program(s) used to solve structure: SHELXS2018/3 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2018/3 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and Mercury (Macrae et al., 2020); software used to prepare material for publication: WinGX (Farrugia, 2012), publCIF (Westrip, 2010) and PLATON (Spek, 2020).

(E)-N-{2-[2-(Benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}benzenesulfonamide (I) top

Crystal data top

C₂₂H₁₆FNO₂S₂	F(000) = 848
M_r = 409.48	D_x = 1.392 Mg m⁻³
Monoclinic, P2₁/c	Cu Kα radiation, λ = 1.54178 Å
a = 7.9588 (1) Å	Cell parameters from 9457 reflections
b = 25.9840 (4) Å	θ = 3.4–68.6°
c = 9.5178 (2) Å	µ = 2.70 mm⁻¹
β = 96.853 (1)°	T = 297 K
V = 1954.23 (6) Å³	Block, brown
Z = 4	0.15 × 0.10 × 0.08 mm

Data collection top

Bruker D8 Venture Diffractometer	2964 reflections with I > 2σ(I)
Radiation source: micro focus sealed tube	R_int = 0.049
ω and φ scans	θ_max = 68.7°, θ_min = 3.4°
Absorption correction: multi-scan (SADABS; Bruker, 2016)	h = −9→9
T_min = 0.589, T_max = 0.753	k = −31→31
44325 measured reflections	l = −11→11
3597 independent reflections

Refinement top

Refinement on F²	11 restraints
Least-squares matrix: full	Hydrogen site location: mixed
R[F² > 2σ(F²)] = 0.042	H atoms treated by a mixture of independent and constrained refinement
wR(F²) = 0.115	w = 1/[σ²(F_o²) + (0.0496P)² + 0.7846P] where P = (F_o² + 2F_c²)/3
S = 1.03	(Δ/σ)_max = 0.001
3597 reflections	Δρ_max = 0.21 e Å⁻³
272 parameters	Δρ_min = −0.28 e Å⁻³

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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq	Occ. (<1)
C1	0.7141 (2)	0.64416 (6)	0.53276 (16)	0.0782 (7)
C2	0.6743 (3)	0.69557 (7)	0.5055 (2)	0.1055 (10)
H2	0.611424	0.704923	0.420704	0.127*
C3	0.7286 (3)	0.73300 (5)	0.6050 (3)	0.1127 (11)
H3	0.701996	0.767393	0.586823	0.135*
C4	0.8226 (3)	0.71902 (7)	0.7318 (2)	0.1109 (11)
H4	0.858902	0.744059	0.798407	0.133*
C5	0.8623 (3)	0.66761 (8)	0.75906 (17)	0.1018 (9)
H5	0.925238	0.658254	0.843872	0.122*
C6	0.8081 (2)	0.63018 (5)	0.65953 (18)	0.0788 (7)
S1'	0.8669 (7)	0.56832 (19)	0.7105 (5)	0.0855 (14)	0.243 (4)
C7'	0.709 (3)	0.5902 (6)	0.4679 (19)	0.103 (8)	0.243 (4)
H7'	0.649984	0.584659	0.378833	0.124*	0.243 (4)
C8'	0.790 (5)	0.5504 (7)	0.539 (2)	0.051 (5)	0.243 (4)
S1	0.6512 (2)	0.59509 (5)	0.41950 (14)	0.0758 (4)	0.757 (4)
C7	0.8282 (9)	0.5758 (2)	0.6526 (7)	0.0900 (18)	0.757 (4)
H7	0.893320	0.557894	0.724278	0.108*	0.757 (4)
C8	0.7498 (15)	0.5511 (3)	0.5389 (9)	0.067 (3)	0.757 (4)
C9	0.7644 (3)	0.49638 (9)	0.5064 (3)	0.0754 (6)
H9	0.808242	0.474482	0.579001	0.090*
C10	0.6922 (3)	0.47259 (9)	0.3953 (3)	0.0741 (6)
H10	0.632873	0.492988	0.325994	0.089*
C11	0.6936 (3)	0.41711 (8)	0.3671 (2)	0.0673 (6)
C12	0.7752 (4)	0.38326 (10)	0.4678 (3)	0.0976 (9)
H12	0.829122	0.396833	0.551708	0.117*
C13	0.7790 (5)	0.33108 (10)	0.4481 (3)	0.1019 (10)
H13	0.835045	0.309475	0.516146	0.122*
C14	0.6980 (4)	0.31212 (9)	0.3256 (3)	0.0837 (7)
C15	0.6143 (3)	0.34215 (8)	0.2231 (3)	0.0711 (6)
H15	0.557999	0.327509	0.141557	0.085*
C16	0.6145 (3)	0.39533 (7)	0.2428 (2)	0.0578 (5)
C17	0.6983 (2)	0.40434 (7)	−0.0853 (2)	0.0545 (5)
C18	0.8053 (3)	0.44596 (9)	−0.0912 (3)	0.0739 (6)
H18	0.770751	0.478886	−0.069161	0.089*
C19	0.9636 (3)	0.43766 (13)	−0.1303 (3)	0.0927 (8)
H19	1.037422	0.465199	−0.134587	0.111*
C20	1.0139 (3)	0.38892 (15)	−0.1632 (3)	0.0947 (9)
H20	1.121259	0.383777	−0.189882	0.114*
C21	0.9072 (4)	0.34806 (12)	−0.1569 (3)	0.0888 (8)
H21	0.942294	0.315210	−0.179119	0.107*
C22	0.7481 (3)	0.35538 (9)	−0.1179 (2)	0.0689 (6)
H22	0.675016	0.327657	−0.113642	0.083*
N1	0.5283 (2)	0.42741 (6)	0.1368 (2)	0.0616 (4)
O1	0.40697 (18)	0.36642 (5)	−0.05058 (18)	0.0706 (4)
O2	0.42235 (19)	0.45927 (5)	−0.09632 (17)	0.0674 (4)
F1	0.6977 (3)	0.26050 (5)	0.3036 (2)	0.1171 (6)
S2	0.49738 (6)	0.41360 (2)	−0.03136 (6)	0.05557 (17)
H1N	0.545 (3)	0.4587 (6)	0.147 (2)	0.067*

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
C1	0.0989 (18)	0.0723 (15)	0.0687 (14)	−0.0213 (13)	0.0318 (13)	−0.0024 (12)
C2	0.132 (3)	0.0839 (19)	0.103 (2)	−0.0145 (18)	0.0231 (19)	0.0204 (17)
C3	0.135 (3)	0.0621 (16)	0.149 (3)	−0.0154 (17)	0.052 (3)	−0.0014 (19)
C4	0.135 (3)	0.081 (2)	0.126 (3)	−0.0312 (19)	0.054 (2)	−0.0337 (19)
C5	0.124 (2)	0.099 (2)	0.0829 (18)	−0.0240 (19)	0.0139 (17)	−0.0201 (16)
C6	0.0929 (17)	0.0706 (15)	0.0766 (16)	−0.0123 (13)	0.0252 (13)	−0.0080 (12)
S1'	0.104 (3)	0.077 (2)	0.074 (3)	−0.0128 (19)	0.004 (2)	−0.0059 (19)
C7'	0.127 (16)	0.121 (16)	0.059 (10)	−0.069 (13)	0.001 (8)	−0.016 (10)
C8'	0.045 (12)	0.060 (8)	0.050 (8)	−0.004 (5)	0.017 (5)	0.001 (6)
S1	0.1095 (10)	0.0607 (5)	0.0576 (8)	−0.0079 (5)	0.0109 (6)	−0.0006 (4)
C7	0.111 (4)	0.077 (3)	0.076 (4)	0.003 (2)	−0.010 (3)	0.000 (3)
C8	0.065 (6)	0.067 (3)	0.071 (3)	−0.009 (2)	0.017 (2)	−0.003 (2)
C9	0.0896 (17)	0.0647 (14)	0.0712 (14)	0.0018 (12)	0.0068 (12)	0.0001 (11)
C10	0.1028 (18)	0.0551 (12)	0.0632 (13)	−0.0022 (12)	0.0055 (12)	0.0060 (10)
C11	0.0864 (15)	0.0516 (11)	0.0647 (13)	0.0000 (10)	0.0123 (11)	0.0086 (10)
C12	0.142 (3)	0.0674 (16)	0.0772 (17)	−0.0011 (16)	−0.0111 (17)	0.0139 (13)
C13	0.141 (3)	0.0651 (16)	0.095 (2)	0.0093 (16)	−0.0046 (19)	0.0296 (15)
C14	0.114 (2)	0.0459 (12)	0.0930 (19)	0.0051 (12)	0.0186 (16)	0.0146 (12)
C15	0.0888 (16)	0.0472 (11)	0.0783 (15)	0.0022 (11)	0.0142 (12)	0.0065 (10)
C16	0.0645 (12)	0.0457 (10)	0.0658 (12)	0.0025 (9)	0.0186 (10)	0.0083 (9)
C17	0.0545 (10)	0.0502 (10)	0.0561 (11)	−0.0008 (8)	−0.0041 (8)	−0.0033 (8)
C18	0.0654 (13)	0.0673 (14)	0.0871 (16)	−0.0139 (11)	0.0014 (12)	−0.0091 (12)
C19	0.0671 (15)	0.116 (2)	0.0935 (19)	−0.0253 (16)	0.0020 (14)	−0.0039 (17)
C20	0.0562 (14)	0.147 (3)	0.0796 (17)	0.0120 (17)	0.0026 (12)	−0.0036 (18)
C21	0.0794 (17)	0.096 (2)	0.0904 (19)	0.0269 (15)	0.0098 (14)	−0.0087 (15)
C22	0.0724 (14)	0.0582 (12)	0.0752 (14)	0.0077 (10)	0.0049 (11)	−0.0050 (11)
N1	0.0745 (11)	0.0401 (8)	0.0700 (11)	0.0070 (8)	0.0081 (9)	0.0009 (8)
O1	0.0613 (8)	0.0459 (7)	0.1008 (12)	−0.0087 (6)	−0.0061 (8)	−0.0028 (7)
O2	0.0711 (9)	0.0437 (7)	0.0826 (10)	0.0098 (6)	−0.0111 (7)	0.0015 (7)
F1	0.1731 (17)	0.0454 (8)	0.1300 (14)	0.0126 (9)	0.0067 (12)	0.0189 (8)
S2	0.0546 (3)	0.0379 (2)	0.0718 (3)	0.00112 (18)	−0.0029 (2)	−0.0018 (2)

Geometric parameters (Å, º) top

C1—C2	1.3900	C11—C12	1.402 (3)
C1—C6	1.3900	C12—C13	1.369 (4)
C1—C7'	1.531 (14)	C12—H12	0.9300
C1—S1	1.7058 (18)	C13—C14	1.356 (4)
C2—C3	1.3900	C13—H13	0.9300
C2—H2	0.9300	C14—F1	1.358 (3)
C3—C4	1.3900	C14—C15	1.360 (3)
C3—H3	0.9300	C15—C16	1.394 (3)
C4—C5	1.3900	C15—H15	0.9300
C4—H4	0.9300	C16—N1	1.421 (3)
C5—C6	1.3900	C17—C22	1.379 (3)
C5—H5	0.9300	C17—C18	1.381 (3)
C6—C7	1.426 (6)	C17—S2	1.754 (2)
C6—S1'	1.727 (5)	C18—C19	1.373 (4)
S1'—C8'	1.738 (17)	C18—H18	0.9300
C7'—C8'	1.356 (18)	C19—C20	1.375 (4)
C7'—H7'	0.9300	C19—H19	0.9300
C8'—C9	1.446 (17)	C20—C21	1.365 (4)
S1—C8	1.732 (7)	C20—H20	0.9300
C7—C8	1.345 (8)	C21—C22	1.375 (4)
C7—H7	0.9300	C21—H21	0.9300
C8—C9	1.463 (7)	C22—H22	0.9300
C9—C10	1.298 (3)	N1—S2	1.6301 (19)
C9—H9	0.9300	N1—H1N	0.828 (16)
C10—C11	1.467 (3)	O1—S2	1.4222 (14)
C10—H10	0.9300	O2—S2	1.4348 (14)
C11—C16	1.393 (3)

C2—C1—C6	120.0	C16—C11—C10	122.8 (2)
C2—C1—C7'	144.2 (7)	C12—C11—C10	120.3 (2)
C6—C1—C7'	95.5 (7)	C13—C12—C11	122.9 (3)
C2—C1—S1	123.88 (12)	C13—C12—H12	118.5
C6—C1—S1	116.11 (12)	C11—C12—H12	118.5
C3—C2—C1	120.0	C14—C13—C12	117.5 (3)
C3—C2—H2	120.0	C14—C13—H13	121.3
C1—C2—H2	120.0	C12—C13—H13	121.3
C2—C3—C4	120.0	C13—C14—F1	118.9 (2)
C2—C3—H3	120.0	C13—C14—C15	123.4 (2)
C4—C3—H3	120.0	F1—C14—C15	117.7 (3)
C5—C4—C3	120.0	C14—C15—C16	118.6 (2)
C5—C4—H4	120.0	C14—C15—H15	120.7
C3—C4—H4	120.0	C16—C15—H15	120.7
C4—C5—C6	120.0	C11—C16—C15	120.7 (2)
C4—C5—H5	120.0	C11—C16—N1	119.74 (18)
C6—C5—H5	120.0	C15—C16—N1	119.6 (2)
C5—C6—C1	120.0	C22—C17—C18	121.2 (2)
C5—C6—C7	134.3 (3)	C22—C17—S2	119.30 (17)
C1—C6—C7	105.7 (3)	C18—C17—S2	119.49 (17)
C5—C6—S1'	114.1 (2)	C19—C18—C17	118.5 (2)
C1—C6—S1'	125.9 (2)	C19—C18—H18	120.7
C6—S1'—C8'	86.1 (6)	C17—C18—H18	120.7
C8'—C7'—C1	120.6 (13)	C18—C19—C20	120.5 (3)
C8'—C7'—H7'	119.7	C18—C19—H19	119.7
C1—C7'—H7'	119.7	C20—C19—H19	119.7
C7'—C8'—C9	126.0 (15)	C21—C20—C19	120.5 (3)
C7'—C8'—S1'	110.9 (13)	C21—C20—H20	119.8
C9—C8'—S1'	119.1 (13)	C19—C20—H20	119.8
C1—S1—C8	90.1 (2)	C20—C21—C22	120.1 (3)
C8—C7—C6	117.7 (6)	C20—C21—H21	119.9
C8—C7—H7	121.1	C22—C21—H21	119.9
C6—C7—H7	121.1	C21—C22—C17	119.2 (2)
C7—C8—C9	126.3 (6)	C21—C22—H22	120.4
C7—C8—S1	110.1 (5)	C17—C22—H22	120.4
C9—C8—S1	122.9 (5)	C16—N1—S2	124.85 (14)
C10—C9—C8'	132.4 (8)	C16—N1—H1N	116.0 (16)
C10—C9—C8	126.6 (4)	S2—N1—H1N	109.5 (16)
C10—C9—H9	113.8	O1—S2—O2	118.64 (9)
C8'—C9—H9	113.8	O1—S2—N1	109.32 (10)
C9—C10—C11	127.2 (2)	O2—S2—N1	104.32 (9)
C9—C10—H10	116.4	O1—S2—C17	108.01 (9)
C11—C10—H10	116.4	O2—S2—C17	109.55 (10)
C16—C11—C12	116.8 (2)	N1—S2—C17	106.35 (9)

C6—C1—C2—C3	0.0	C8'—C9—C10—C11	171 (2)
C7'—C1—C2—C3	−171.5 (14)	C8—C9—C10—C11	−174.3 (7)
S1—C1—C2—C3	178.91 (16)	C9—C10—C11—C16	−178.7 (3)
C1—C2—C3—C4	0.0	C9—C10—C11—C12	2.1 (4)
C2—C3—C4—C5	0.0	C16—C11—C12—C13	−0.1 (5)
C3—C4—C5—C6	0.0	C10—C11—C12—C13	179.2 (3)
C4—C5—C6—C1	0.0	C11—C12—C13—C14	−0.7 (5)
C4—C5—C6—C7	178.8 (4)	C12—C13—C14—F1	−179.2 (3)
C4—C5—C6—S1'	−179.6 (2)	C12—C13—C14—C15	−0.1 (5)
C2—C1—C6—C5	0.0	C13—C14—C15—C16	1.5 (4)
C7'—C1—C6—C5	175.0 (8)	F1—C14—C15—C16	−179.3 (2)
S1—C1—C6—C5	−178.99 (15)	C12—C11—C16—C15	1.6 (4)
C2—C1—C6—C7	−179.1 (3)	C10—C11—C16—C15	−177.7 (2)
S1—C1—C6—C7	1.9 (3)	C12—C11—C16—N1	179.5 (2)
C2—C1—C6—S1'	179.5 (3)	C10—C11—C16—N1	0.2 (3)
C7'—C1—C6—S1'	−5.5 (8)	C14—C15—C16—C11	−2.3 (4)
C5—C6—S1'—C8'	−171.8 (13)	C14—C15—C16—N1	179.8 (2)
C1—C6—S1'—C8'	8.7 (14)	C22—C17—C18—C19	−0.1 (4)
C2—C1—C7'—C8'	171 (2)	S2—C17—C18—C19	178.41 (19)
C6—C1—C7'—C8'	−2 (3)	C17—C18—C19—C20	0.2 (4)
C1—C7'—C8'—C9	165 (2)	C18—C19—C20—C21	−0.2 (4)
C1—C7'—C8'—S1'	8 (4)	C19—C20—C21—C22	0.2 (4)
C6—S1'—C8'—C7'	−8 (2)	C20—C21—C22—C17	−0.1 (4)
C6—S1'—C8'—C9	−167 (3)	C18—C17—C22—C21	0.0 (4)
C2—C1—S1—C8	−178.8 (5)	S2—C17—C22—C21	−178.48 (19)
C6—C1—S1—C8	0.1 (5)	C11—C16—N1—S2	153.99 (18)
C5—C6—C7—C8	177.3 (7)	C15—C16—N1—S2	−28.1 (3)
C1—C6—C7—C8	−3.8 (9)	C16—N1—S2—O1	58.1 (2)
C6—C7—C8—C9	175.1 (8)	C16—N1—S2—O2	−174.05 (17)
C6—C7—C8—S1	4.0 (11)	C16—N1—S2—C17	−58.28 (19)
C1—S1—C8—C7	−2.2 (8)	C22—C17—S2—O1	−8.2 (2)
C1—S1—C8—C9	−173.7 (9)	C18—C17—S2—O1	173.24 (18)
C7'—C8'—C9—C10	15 (5)	C22—C17—S2—O2	−138.77 (17)
S1'—C8'—C9—C10	170.8 (10)	C18—C17—S2—O2	42.7 (2)
C7—C8—C9—C10	−178.3 (8)	C22—C17—S2—N1	109.03 (18)
S1—C8—C9—C10	−8.4 (13)	C18—C17—S2—N1	−69.51 (19)

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
C15—H15···O1	0.93	2.30	2.980 (3)	130
C10—H10···02ⁱ	0.93	2.51	3.383 (3)	157
N1—H1N···O2ⁱ	0.83 (2)	2.21 (2)	3.001 (2)	161 (2)
C22—H22···F1ⁱⁱ	0.93	2.44	3.116 (3)	130

Symmetry codes: (i) −x+1, −y+1, −z; (ii) x, −y+1/2, z−1/2.

(E)-N-{2-[2-(Benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}-N-(but-2-yn-1-yl)benzenesulfonamide (II) top

Crystal data top

C₂₆H₂₀FNO₂S₂	F(000) = 960
M_r = 461.55	D_x = 1.327 Mg m⁻³
Monoclinic, P2₁/c	Cu Kα radiation, λ = 1.54178 Å
a = 9.3517 (3) Å	Cell parameters from 3616 reflections
b = 31.7075 (11) Å	θ = 2.8–65.4°
c = 8.6063 (3) Å	µ = 2.35 mm⁻¹
β = 115.179 (2)°	T = 297 K
V = 2309.45 (14) Å³	Solid, white
Z = 4	0.11 × 0.07 × 0.02 mm

Data collection top

Bruker D8 Venture Diffractometer	2098 reflections with I > 2σ(I)
Radiation source: micro focus sealed tube	R_int = 0.155
ω and φ scans	θ_max = 68.8°, θ_min = 5.2°
Absorption correction: multi-scan (SADABS; Bruker, 2016)	h = −11→11
T_min = 0.604, T_max = 0.753	k = −37→38
39443 measured reflections	l = −10→10
4270 independent reflections

Refinement top

Refinement on F²	Hydrogen site location: inferred from neighbouring sites
Least-squares matrix: full	H-atom parameters constrained
R[F² > 2σ(F²)] = 0.066	w = 1/[σ²(F_o²) + (0.1325P)²] where P = (F_o² + 2F_c²)/3
wR(F²) = 0.232	(Δ/σ)_max < 0.001
S = 1.00	Δρ_max = 0.33 e Å⁻³
4270 reflections	Δρ_min = −0.37 e Å⁻³
291 parameters	Extinction correction: SHELXL-2018/3 (Sheldrick 2015), Fc^*=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4
0 restraints	Extinction coefficient: 0.0040 (6)

Special details top

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq
C1	0.2549 (6)	0.32808 (15)	−0.0285 (6)	0.0669 (12)
C2	0.2360 (6)	0.33934 (17)	−0.1918 (6)	0.0778 (14)
H2	0.311900	0.355578	−0.207042	0.093*
C3	0.1029 (7)	0.32600 (17)	−0.3309 (7)	0.0825 (15)
H3	0.089065	0.333320	−0.441041	0.099*
C4	−0.0110 (6)	0.30184 (16)	−0.3096 (6)	0.0763 (14)
H4	−0.100010	0.293249	−0.405677	0.092*
C5	0.0054 (6)	0.29044 (15)	−0.1498 (6)	0.0722 (13)
H5	−0.071951	0.274308	−0.137015	0.087*
C6	0.1408 (5)	0.30337 (14)	−0.0042 (5)	0.0626 (11)
C7	0.1836 (6)	0.29535 (14)	0.1732 (6)	0.0673 (12)
H7	0.122120	0.279321	0.212083	0.081*
C8	0.3227 (5)	0.31338 (13)	0.2798 (5)	0.0609 (11)
C9	0.3969 (6)	0.31034 (15)	0.4648 (6)	0.0682 (12)
H9	0.350312	0.292242	0.514847	0.082*
C10	0.5265 (6)	0.33107 (14)	0.5712 (6)	0.0633 (12)
H10	0.571084	0.350331	0.523168	0.076*
C11	0.6030 (5)	0.32555 (13)	0.7581 (5)	0.0586 (11)
C12	0.5852 (6)	0.28800 (14)	0.8336 (6)	0.0659 (12)
H12	0.521274	0.266825	0.763600	0.079*
C13	0.6595 (6)	0.28137 (15)	1.0084 (6)	0.0702 (13)
H13	0.646816	0.256223	1.056735	0.084*
C14	0.7527 (6)	0.31322 (16)	1.1085 (6)	0.0718 (13)
C15	0.7743 (6)	0.35085 (15)	1.0435 (6)	0.0694 (13)
H15	0.836300	0.371959	1.115842	0.083*
C16	0.7016 (5)	0.35672 (13)	0.8677 (5)	0.0585 (11)
C17	0.6526 (6)	0.45543 (14)	0.9821 (6)	0.0688 (13)
C18	0.5818 (8)	0.43930 (18)	1.0789 (7)	0.0899 (17)
H18	0.505581	0.418355	1.033546	0.108*
C19	0.6226 (9)	0.4539 (2)	1.2444 (9)	0.106 (2)
H19	0.574503	0.442786	1.310278	0.128*
C20	0.7344 (9)	0.4848 (2)	1.3093 (9)	0.109 (2)
H20	0.762946	0.494415	1.420623	0.131*
C21	0.8042 (9)	0.5017 (2)	1.2151 (9)	0.109 (2)
H21	0.878624	0.523052	1.260868	0.130*
C22	0.7647 (7)	0.48710 (16)	1.0491 (7)	0.0872 (16)
H22	0.812980	0.498474	0.983836	0.105*
C23	0.8877 (6)	0.40504 (16)	0.8143 (7)	0.0763 (14)
H23A	0.925473	0.380835	0.773623	0.092*
H23B	0.882648	0.428675	0.740500	0.092*
C24	1.0039 (6)	0.41494 (15)	0.9891 (7)	0.0764 (14)
C25	1.0953 (7)	0.42202 (17)	1.1328 (8)	0.0886 (17)
C26	1.2031 (8)	0.4310 (2)	1.3114 (8)	0.117 (2)
H26A	1.143024	0.438114	1.374590	0.175*
H26B	1.270375	0.454214	1.315234	0.175*
H26C	1.266516	0.406545	1.361637	0.175*
N1	0.7255 (4)	0.39583 (10)	0.7947 (5)	0.0613 (10)
O1	0.4505 (4)	0.41733 (11)	0.7156 (4)	0.0851 (11)
O2	0.6400 (5)	0.46681 (11)	0.6790 (5)	0.0949 (12)
S1	0.40923 (16)	0.34048 (5)	0.16627 (16)	0.0776 (5)
S2	0.60508 (16)	0.43535 (4)	0.77698 (15)	0.0715 (4)
F1	0.8245 (4)	0.30760 (10)	1.2817 (3)	0.0982 (10)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
C1	0.060 (3)	0.078 (3)	0.063 (3)	−0.003 (2)	0.026 (2)	−0.005 (2)
C2	0.073 (3)	0.097 (4)	0.066 (3)	−0.005 (3)	0.033 (3)	0.000 (3)
C3	0.080 (4)	0.107 (4)	0.059 (3)	0.005 (3)	0.029 (3)	−0.003 (3)
C4	0.074 (3)	0.089 (3)	0.062 (3)	0.001 (3)	0.025 (3)	−0.013 (2)
C5	0.063 (3)	0.079 (3)	0.066 (3)	−0.008 (2)	0.019 (2)	−0.013 (2)
C6	0.060 (3)	0.071 (3)	0.056 (2)	−0.001 (2)	0.024 (2)	−0.008 (2)
C7	0.065 (3)	0.072 (3)	0.065 (3)	−0.015 (2)	0.028 (2)	−0.005 (2)
C8	0.063 (3)	0.064 (2)	0.057 (2)	−0.005 (2)	0.027 (2)	−0.003 (2)
C9	0.068 (3)	0.071 (3)	0.061 (3)	−0.007 (2)	0.023 (2)	−0.004 (2)
C10	0.064 (3)	0.065 (3)	0.059 (2)	−0.001 (2)	0.025 (2)	0.000 (2)
C11	0.057 (3)	0.061 (2)	0.057 (2)	0.000 (2)	0.024 (2)	0.0004 (19)
C12	0.068 (3)	0.064 (3)	0.066 (3)	−0.003 (2)	0.029 (2)	0.000 (2)
C13	0.076 (3)	0.070 (3)	0.067 (3)	0.000 (3)	0.034 (3)	0.007 (2)
C14	0.079 (3)	0.081 (3)	0.049 (2)	0.007 (3)	0.021 (2)	0.009 (2)
C15	0.070 (3)	0.070 (3)	0.060 (3)	−0.001 (2)	0.020 (2)	−0.001 (2)
C16	0.062 (3)	0.056 (2)	0.057 (2)	0.002 (2)	0.025 (2)	0.0017 (18)
C17	0.076 (3)	0.063 (3)	0.070 (3)	0.003 (2)	0.033 (3)	−0.001 (2)
C18	0.107 (5)	0.085 (3)	0.081 (4)	−0.009 (3)	0.044 (3)	−0.010 (3)
C19	0.132 (6)	0.106 (4)	0.096 (5)	0.003 (4)	0.063 (4)	−0.003 (4)
C20	0.134 (6)	0.110 (5)	0.079 (4)	0.016 (5)	0.042 (4)	−0.019 (4)
C21	0.119 (5)	0.096 (4)	0.099 (5)	−0.019 (4)	0.034 (4)	−0.035 (4)
C22	0.099 (4)	0.072 (3)	0.088 (4)	−0.016 (3)	0.038 (3)	−0.014 (3)
C23	0.074 (3)	0.076 (3)	0.081 (3)	−0.009 (3)	0.035 (3)	−0.005 (2)
C24	0.068 (3)	0.068 (3)	0.090 (4)	−0.008 (3)	0.031 (3)	−0.005 (3)
C25	0.081 (4)	0.075 (3)	0.101 (4)	−0.008 (3)	0.030 (3)	−0.008 (3)
C26	0.102 (5)	0.123 (5)	0.093 (4)	−0.012 (4)	0.010 (4)	−0.015 (4)
N1	0.064 (2)	0.0555 (19)	0.061 (2)	−0.0017 (17)	0.0238 (18)	0.0022 (16)
O1	0.062 (2)	0.084 (2)	0.088 (2)	0.0006 (18)	0.0117 (18)	−0.0075 (18)
O2	0.139 (3)	0.0680 (19)	0.077 (2)	0.000 (2)	0.045 (2)	0.0174 (17)
S1	0.0655 (8)	0.0998 (9)	0.0656 (7)	−0.0180 (7)	0.0261 (6)	−0.0056 (6)
S2	0.0822 (9)	0.0616 (6)	0.0625 (7)	0.0020 (6)	0.0229 (6)	0.0030 (5)
F1	0.114 (2)	0.107 (2)	0.0552 (16)	−0.0063 (19)	0.0187 (16)	0.0166 (15)

Geometric parameters (Å, º) top

C1—C2	1.387 (7)	C15—C16	1.382 (6)
C1—C6	1.409 (7)	C15—H15	0.9300
C1—S1	1.729 (5)	C16—N1	1.450 (5)
C2—C3	1.376 (7)	C17—C18	1.365 (7)
C2—H2	0.9300	C17—C22	1.387 (7)
C3—C4	1.386 (7)	C17—S2	1.747 (5)
C3—H3	0.9300	C18—C19	1.388 (8)
C4—C5	1.367 (7)	C18—H18	0.9300
C4—H4	0.9300	C19—C20	1.368 (9)
C5—C6	1.411 (6)	C19—H19	0.9300
C5—H5	0.9300	C20—C21	1.349 (9)
C6—C7	1.426 (6)	C20—H20	0.9300
C7—C8	1.358 (6)	C21—C22	1.394 (8)
C7—H7	0.9300	C21—H21	0.9300
C8—C9	1.444 (6)	C22—H22	0.9300
C8—S1	1.738 (5)	C23—C24	1.467 (7)
C9—C10	1.340 (6)	C23—N1	1.483 (6)
C9—H9	0.9300	C23—H23A	0.9700
C10—C11	1.466 (6)	C23—H23B	0.9700
C10—H10	0.9300	C24—C25	1.188 (7)
C11—C12	1.400 (6)	C25—C26	1.464 (8)
C11—C16	1.406 (6)	C26—H26A	0.9600
C12—C13	1.378 (6)	C26—H26B	0.9600
C12—H12	0.9300	C26—H26C	0.9600
C13—C14	1.372 (7)	N1—S2	1.648 (4)
C13—H13	0.9300	O1—S2	1.431 (4)
C14—F1	1.361 (5)	O2—S2	1.431 (4)
C14—C15	1.369 (7)

C2—C1—C6	121.0 (4)	C15—C16—C11	121.1 (4)
C2—C1—S1	128.2 (4)	C15—C16—N1	119.7 (4)
C6—C1—S1	110.8 (3)	C11—C16—N1	119.2 (4)
C3—C2—C1	118.7 (5)	C18—C17—C22	119.6 (5)
C3—C2—H2	120.6	C18—C17—S2	119.9 (4)
C1—C2—H2	120.6	C22—C17—S2	120.4 (4)
C2—C3—C4	121.1 (5)	C17—C18—C19	120.6 (6)
C2—C3—H3	119.4	C17—C18—H18	119.7
C4—C3—H3	119.4	C19—C18—H18	119.7
C5—C4—C3	121.0 (5)	C20—C19—C18	119.1 (7)
C5—C4—H4	119.5	C20—C19—H19	120.4
C3—C4—H4	119.5	C18—C19—H19	120.4
C4—C5—C6	119.4 (5)	C21—C20—C19	121.4 (6)
C4—C5—H5	120.3	C21—C20—H20	119.3
C6—C5—H5	120.3	C19—C20—H20	119.3
C1—C6—C5	118.7 (4)	C20—C21—C22	119.9 (6)
C1—C6—C7	111.9 (4)	C20—C21—H21	120.0
C5—C6—C7	129.5 (5)	C22—C21—H21	120.0
C8—C7—C6	113.6 (4)	C17—C22—C21	119.3 (6)
C8—C7—H7	123.2	C17—C22—H22	120.3
C6—C7—H7	123.2	C21—C22—H22	120.3
C7—C8—C9	126.1 (4)	C24—C23—N1	115.7 (4)
C7—C8—S1	111.7 (3)	C24—C23—H23A	108.3
C9—C8—S1	122.2 (3)	N1—C23—H23A	108.3
C10—C9—C8	126.3 (5)	C24—C23—H23B	108.3
C10—C9—H9	116.9	N1—C23—H23B	108.3
C8—C9—H9	116.9	H23A—C23—H23B	107.4
C9—C10—C11	124.7 (5)	C25—C24—C23	177.7 (6)
C9—C10—H10	117.7	C24—C25—C26	177.9 (7)
C11—C10—H10	117.7	C25—C26—H26A	109.5
C12—C11—C16	117.4 (4)	C25—C26—H26B	109.5
C12—C11—C10	120.8 (4)	H26A—C26—H26B	109.5
C16—C11—C10	121.8 (4)	C25—C26—H26C	109.5
C13—C12—C11	122.1 (4)	H26A—C26—H26C	109.5
C13—C12—H12	118.9	H26B—C26—H26C	109.5
C11—C12—H12	118.9	C16—N1—C23	117.3 (4)
C14—C13—C12	117.6 (4)	C16—N1—S2	117.7 (3)
C14—C13—H13	121.2	C23—N1—S2	119.1 (3)
C12—C13—H13	121.2	C1—S1—C8	92.1 (2)
F1—C14—C15	118.2 (4)	O2—S2—O1	120.6 (2)
F1—C14—C13	118.5 (4)	O2—S2—N1	105.5 (2)
C15—C14—C13	123.3 (4)	O1—S2—N1	105.9 (2)
C14—C15—C16	118.4 (4)	O2—S2—C17	108.5 (2)
C14—C15—H15	120.8	O1—S2—C17	107.5 (2)
C16—C15—H15	120.8	N1—S2—C17	108.3 (2)

C6—C1—C2—C3	0.2 (8)	C10—C11—C16—N1	1.5 (7)
S1—C1—C2—C3	180.0 (4)	C22—C17—C18—C19	−0.9 (9)
C1—C2—C3—C4	0.1 (8)	S2—C17—C18—C19	177.7 (5)
C2—C3—C4—C5	−0.1 (8)	C17—C18—C19—C20	0.3 (10)
C3—C4—C5—C6	−0.2 (8)	C18—C19—C20—C21	0.8 (11)
C2—C1—C6—C5	−0.5 (7)	C19—C20—C21—C22	−1.1 (11)
S1—C1—C6—C5	179.7 (4)	C18—C17—C22—C21	0.6 (9)
C2—C1—C6—C7	179.8 (5)	S2—C17—C22—C21	−178.0 (5)
S1—C1—C6—C7	−0.1 (5)	C20—C21—C22—C17	0.5 (10)
C4—C5—C6—C1	0.5 (7)	C15—C16—N1—C23	64.9 (6)
C4—C5—C6—C7	−179.8 (5)	C11—C16—N1—C23	−115.9 (5)
C1—C6—C7—C8	0.6 (6)	C15—C16—N1—S2	−87.9 (5)
C5—C6—C7—C8	−179.0 (5)	C11—C16—N1—S2	91.3 (5)
C6—C7—C8—C9	−179.2 (4)	C24—C23—N1—C16	−69.7 (5)
C6—C7—C8—S1	−0.9 (5)	C24—C23—N1—S2	82.7 (5)
C7—C8—C9—C10	−173.6 (5)	C2—C1—S1—C8	179.8 (5)
S1—C8—C9—C10	8.3 (7)	C6—C1—S1—C8	−0.4 (4)
C8—C9—C10—C11	−176.8 (4)	C7—C8—S1—C1	0.7 (4)
C9—C10—C11—C12	24.6 (7)	C9—C8—S1—C1	179.1 (4)
C9—C10—C11—C16	−158.0 (5)	C16—N1—S2—O2	−171.5 (3)
C16—C11—C12—C13	0.5 (7)	C23—N1—S2—O2	36.2 (4)
C10—C11—C12—C13	178.0 (5)	C16—N1—S2—O1	−42.6 (4)
C11—C12—C13—C14	0.2 (7)	C23—N1—S2—O1	165.2 (3)
C12—C13—C14—F1	178.7 (4)	C16—N1—S2—C17	72.5 (4)
C12—C13—C14—C15	0.4 (8)	C23—N1—S2—C17	−79.8 (4)
F1—C14—C15—C16	−180.0 (4)	C18—C17—S2—O2	156.6 (5)
C13—C14—C15—C16	−1.6 (8)	C22—C17—S2—O2	−24.9 (5)
C14—C15—C16—C11	2.4 (7)	C18—C17—S2—O1	24.6 (5)
C14—C15—C16—N1	−178.4 (4)	C22—C17—S2—O1	−156.9 (4)
C12—C11—C16—C15	−1.8 (7)	C18—C17—S2—N1	−89.4 (5)
C10—C11—C16—C15	−179.3 (4)	C22—C17—S2—N1	89.1 (4)
C12—C11—C16—N1	179.0 (4)

Hydrogen-bond geometry (Å, º) top

Cg1 is the centroid of the C1–C6 ring.

D—H···A	D—H	H···A	D···A	D—H···A
C2—H2···O1ⁱ	0.93	2.59	3.483 (7)	162
C4—H4···F1ⁱⁱ	0.93	2.52	3.188 (6)	130
C18—H18···S1ⁱⁱⁱ	0.93	3.01	3.744 (6)	137
C23—H23A···Cg1^iv	0.93	2.69	3.566 (6)	151

Symmetry codes: (i) x, y, z−1; (ii) x−1, y, z−2; (iii) x, y, z+1; (iv) x+1, y, z+1.

Acknowledgements

The authors thank the SAIF, IIT, Madras, India, for the data collection.

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research communications\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

Crystal-structure determination and Hirshfeld surface analysis of two new thio­phene derivatives: (E)-N-{2-[2-(benzo[b]thio­phen-2-yl)ethen­yl]-5-fluoro­phen­yl}benzene­sulfonamide and (E)-N-{2-[2-(benzo[b]thio­phen-2-yl)ethen­yl]-5-fluoro­phen­yl}-N-(but-2-yn-1-yl)benzene­sulfonamide

1. Chemical context

2. Structural commentary

3. Supra­molecular features

4. Hirshfeld surface analysis

5. Synthesis and crystallization

6. Refinement

Supporting information

Acknowledgements

References

research communications

Crystal-structure determination and Hirshfeld surface analysis of two new thiophene derivatives: (E)-N-{2-[2-(benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}benzenesulfonamide and (E)-N-{2-[2-(benzo[b]thiophen-2-yl)ethenyl]-5-fluorophenyl}-N-(but-2-yn-1-yl)benzenesulfonamide

3. Supramolecular features