Crystal structure and Hirshfeld surface analysis of (E)-3-[(4-chloro­benzyl­idene)amino]-5-phenyl­thia­zolidin-2-iminium bromide

Duruskari, G.S.; Khalilov, A.N.; Akkurt, M.; Mammadova, G.Z.; Chyrka, T.; Maharramov, A.M.

doi:10.1107/S2056989019009885

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ISSN: 2056-9890

Volume 75| Part 8| August 2019| Pages 1175-1179

https://doi.org/10.1107/S2056989019009885

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Crystal structure and Hirshfeld surface analysis of (E)-3-[(4-chlorobenzylidene)amino]-5-phenylthiazolidin-2-iminium bromide

Gulnara Sh. Duruskari,^a Ali N. Khalilov,^a,^b Mehmet Akkurt,^c Gunay Z. Mammadova,^a Taras Chyrka ^d ^* and Abel M. Maharramov ^a

^aOrganic Chemistry Department, Baku State University, Z. Xalilov str. 23, Az, 1148 Baku, Azerbaijan, ^bDepartment of Physics and Chemistry, "Composite Materials" Scientific Research Center, Azerbaijan State Economic University (UNEC), H. Aliyev str. 135, Az 1063, Baku, Azerbaijan, ^cDepartment of Physics, Faculty of Sciences, Erciyes University, 38039 Kayseri, Turkey, and ^dDepartment of Theoretical and Industrial Heat Engineering (TPT), National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", 03056, Kyiv, Ukraine
^*Correspondence e-mail: mustford@ukr.net

Edited by K. Fejfarova, Institute of Biotechnology CAS, Czech Republic (Received 3 June 2019; accepted 10 July 2019; online 12 July 2019)

The title salt, C₁₆H₁₅ClN₃S⁺·Br⁻, is isotypic with (E)-3-[(4-fluorobenzylidene)amino]-5-phenylthiazolidin-2-iminium bromide [Khalilov et al. (2019 ). Acta Cryst. E75, 662–666]. In the cation of the title salt, the atoms of the phenyl ring attached to the central thiazolidine ring and the atom joining the thiazolidine ring to the benzene ring are disordered over two sets of sites with occupancies of 0.570 (3) and 0.430 (3). The major and minor components of the disordered thiazolidine ring adopt slightly distorted envelope conformations, with the C atom bearing the phenyl ring as the flap atom. In the crystal, centrosymmetrically related cations and anions are linked into dimeric units via N—H⋯Br hydrogen bonds, which are further connected by weak C—H⋯Br contacts into chains parallel to the a axis. Furthermore, not existing in the earlier report of (E)-3-[(4-fluorobenzylidene)amino]-5-phenylthiazolidin-2-iminium bromide, C—H⋯π interactions and π–π stacking interactions [centroid-to-centroid distance = 3.897 (2) Å] between the major components of the disordered phenyl ring contribute to the stabilization of the molecular packing. Hirshfeld surface analysis and two-dimensional fingerprint plots indicate that the most important contributions for the crystal packing are from H⋯H (30.5%), Br⋯H/H⋯Br (21.2%), C⋯H/H⋯C (19.2%), Cl⋯H/H⋯Cl (13.0%) and S⋯H/H⋯S (5.0%) interactions.

Keywords: crystal structure; isotypic; charge-assisted hydrogen bonding; thiazolidine ring; disorder; Hirshfeld surface analysis.

CCDC reference: 1837122

1. Chemical context

The thiazolidine ring system posses special importance in synthetic and medicinal chemistry. Substituted thiazolidine derivatives are known to exhibit various biological activities such as antiviral, anticancer, anti-tubercular, and antimicrobial etc. (Makwana & Malani 2017 ). Schiff bases have been widely used as versatile ligands in the synthesis, catalysis and design of materials (Akbari et al., 2017 ; Akkurt et al., 2018 ; Asadov et al., 2016 ; Gurbanov et al., 2018a ,b ; Ma et al., 2017a ,b ; Mamedov et al., 2018 ). Weak interactions, namely hydrogen bonding, π-interactions, etc. provided by N-containing ligands can also contribute to their structural organization, coordination abilities and catalytic activity, among other properties (Khalilov et al., 2019; Maharramov et al., 2009 , 2010 ; Mahmoudi et al., 2018a ,b ; Mahmudov et al., 2014 , 2019 ; Mamedov et al., 2015 ; Mitoraj et al., 2018 ; Shixaliyev et al., 2014 ; Zubkov et al., 2018 ). As part of our ongoing studies in this field, we report herein the crystal structure and Hirshfeld surface analysis of the title compound, (E)-3-[(4-chlorobenzylidene)amino]-5-phenylthiazolidin-2-iminium bromide.

2. Structural commentary

The major and minor components (S1/N2/C1/C2′/C3 and S1/N2/C1/C2/C3) of the thiazolidine ring in the cation of the title salt (Fig. 1) both adopt a distorted envelope conformation, with puckering parameters Q(2) = 0.432 (3) Å, φ(2) = 33.5 (4)° for the major component and Q(2) = 0.414 (4) Å, φ(2) = 326.1 (5)° for the minor component. The mean planes of the major and minor components of the disordered thiazolidine ring make dihedral angles of 14.99 (14), 88.45 (16), 84.3 (2)° and 22.82 (16), 86.85 (18), 83.9 (2)°, respectively, with the chlorophenyl ring (C5–C10) and the major- and minor-disorder components (C11′–C16′ and C11–C16) of the phenyl ring. The N2—N1—C4—C5 bridge that links the thiazolidine and 4-chlorophenyl rings has a torsion angle of 176.4 (2)°.

Figure 1
The molecular structure of the title salt. Displacement ellipsoids are drawn at the 50% probability level. H atoms are shown as spheres of arbitrary radius. Only the major component of the disorder is shown for clarity.

3. Supramolecular features and Hirshfeld surface analysis

In the crystal, centrosymmetrically related cations and anions are linked into dimeric units via N—H⋯Br hydrogen bonds, which are further connected by weak C—H⋯Br contacts, into chains parallel to the a-axis direction (Table 1; Figs. 2 and 3). Furthermore, C—H⋯π interactions (Table 1) and π–π stacking interactions [Cg4 ⋯Cg4(2 − x, − y, 1 − z) = 3.897 (2) Å where Cg4 is the centroid of the major component of the disordered phenyl ring] contribute to the stabilization of the molecular packing.

Table 1
Hydrogen-bond geometry (Å, °)

Cg3 is the centroid of the C5–C10 benzene ring of the chlorophenyl moiety. Cg4 and Cg5 are the centroids of the major and minor components of the disordered phenyl ring, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3A⋯Br1ⁱ	0.90	2.56	3.390 (2)	154
N3—H3B⋯Br1ⁱⁱ	0.90	2.38	3.252 (2)	164
C10—H10A⋯Br1ⁱ	0.95	2.91	3.823 (3)	163
C7—H7A⋯Cg4ⁱⁱⁱ	0.95	2.71	3.595 (3)	155
C7—H7A⋯Cg5ⁱⁱⁱ	0.95	2.70	3.568 (3)	153
C13—H13A⋯Cg3^iv	0.95	2.97	3.861 (4)	157
Symmetry codes: (i) x+1, y, z+1; (ii) -x+2, -y, -z+1; (iii) -x+1, -y+1, -z+2; (iv) x, y, z-1.

Figure 2
Packing viewed along the a-axis direction showing the N—H⋯Br and C—H⋯Br interactions (dashed lines).

Figure 3
A perspective view of the crystal structure of the title compound.

Hirshfeld surface analysis (Spackman & Jayatilaka, 2009 ) was used to quantify and visualize the intermolecular interactions and to explain the observed crystal packing. CrystalExplorer3.1 (Wolff et al., 2012 ) was used to generate d_norm surface plots and two-dimensional fingerprint plots (Spackman & McKinnon, 2002 ). The Hirshfeld surface mapped over d_norm using a standard surface resolution with a fixed colour scale of −0.4687 (red) to 1.2270 a.u. (blue) is shown in Fig. 4. The shape-index of the Hirshfeld surface is a tool to visualize π–π stacking interactions by the presence of adjacent red and blue triangles; if there are no adjacent red and/or blue triangles, then there are no π–π interactions. Fig. 5 clearly suggest that there are π–π interactions present in the title salt. Fig. 6a shows the two-dimensional fingerprint for the sum of the contacts contributing to the Hirshfeld surface represented in normal mode (Tables 1 and 2). The fingerprint plots delineated into H⋯H (30.5%), Br⋯H/H⋯Br (21.2%), C⋯H/H⋯C (19.2%), Cl⋯H/H⋯Cl (13.0%) and S⋯H/H⋯S (5.0%) interactions are shown in Fig. 6b–f, respectively. The most significant intermolecular interactions are the H⋯H interactions (30.5%; ig. 6b). The various contributions to the Hirshfeld surface are listed in Table 3.

Table 2
Summary of short interatomic contacts (Å) in the title salt

Contact	Distance	Symmetry operation
Br1⋯H3A	2.56	−1 + x, y, −1 + z
Br1⋯H1B	2.56	x, y, −1 + z
Br1⋯H3B	2.38	2 − x, − y, 1 − z
Br1⋯H4A	2.98	1 − x, 1 − y, 1 − z
Br1⋯H16A	2.66	1 − x, −y, 1 − z

Table 3
Percentage contributions of interatomic contacts to the Hirshfeld surface for the title salt

Contact	Percentage contribution
H⋯H	30.5
Br⋯H/H⋯Br	21.2
C⋯H/H⋯C	19.2
Cl⋯H/H⋯Cl	13.0
S⋯H/H⋯S	5.0
N⋯C/C⋯N	3.3
N⋯H/H⋯N	3.0
C⋯C	2.1
S⋯C/C⋯S	1.7
Br⋯S/S⋯Br	0.4
Cl⋯C/C⋯Cl	0.3
Br⋯C/C⋯Br	0.1
N⋯S/S⋯N	0.1

Figure 4
Hirshfeld surface of the title salt mapped with d_norm.

Figure 5
Hirshfeld surface of the title salt mapped with shape-index.

Figure 6
Hirshfeld surface representations and the two-dimensional fingerprint plots of the title salt, showing (a) all interactions, and delineated into (b) H⋯H, (c) Br⋯H/H⋯Br, (d) C⋯H/H⋯C, (e) Cl⋯H/H⋯Cl and (f) S⋯H/H⋯S interactions [d_e and d_i represent the distances from a point on the Hirshfeld surface to the nearest atoms outside (external) and inside (internal) the surface, respectively].

4. Database survey

A search of the Cambridge Structural Database (CSD, Version 5.40, update of November 2018; Groom et al., 2016 ) for 2-thiazolidiniminium compounds gave eight hits, viz. BOBWIB (Khalilov et al., 2019), UDELUN (Akkurt et al., 2018), WILBIC (Marthi et al., 1994 ), WILBOI (Marthi et al., 1994), WILBOI01 (Marthi et al., 1994), YITCEJ (Martem'yanova et al., 1993a ), YITCAF (Martem'yanova et al., 1993b ) and YOPLUK (Marthi et al., 1995 ).

The structure of BOBWIB (Khalilov et al., 2019) is isotypic with that of the title salt. In BOBWIB, the phenyl ring is disordered over two sets of sites with a refined occupancy ratio of 0.503 (4):0.497 (4). The mean plane of the thiazolidine ring makes dihedral angles of 13.51 (14), 48.6 (3) and 76.5 (3)°, respectively, with the fluorophenyl ring and the major- and minor-disorder components of the phenyl ring. The central thiazolidine ring adopts an envelope conformation. In the crystal, centrosymmetrically related cations and anions are linked into dimeric units via N—H⋯Br hydrogen bonds, which are further connected by weak C—H⋯Br hydrogen bonds into chains parallel to [110]. In the crystal of UDELUN (Akkurt et al., 2018), C—H⋯Br and N—H⋯Br hydrogen bonds link the components into a three-dimensional network with the cations and anions stacked along the b-axis direction. Weak C—H⋯π interactions, which only involve the minor-disorder component of the ring, also contribute to the molecular packing. In addition, there are inversion-related Cl⋯Cl halogen bonds and C—Cl⋯π(ring) contacts. In the remaining structures, the 3-N atom carries a C-atom substituent instead of an N-atom substituent, as found in the title compound. The first three crystal structures were determined for racemic (WILBIC; Marthi et al., 1994) and two optically active samples (WILBOI and WILBOI01; Marthi et al., 1994) of 3-(20-chloro-20-phenylethyl)-2-thiazolidiniminium p-toluenesulfonate. In all three structures, the most disordered fragment of the molecules is the asymmetric C atom and the Cl atom attached to it. The disorder of the cation in the racemate corresponds to the presence of both enantiomers at each site in the ratio 0.821 (3):0.179 (3). The system of hydrogen bonds connecting two cations and two anions into 12-membered rings is identical in the racemic and in the optically active crystals. YITCEJ (Martem'yanova et al., 1993a) is the product of the interaction of 2-amino-5-methylthiazoline with methyl iodide, with alkylation at the endocyclic N atom, while YITCAF (Martem'yanova et al., 1993b) is the product of the reaction of 3-nitro-5-methoxy-, 3-nitro-5- chloro- and 3-bromo-5-nitrosalicylaldehyde with the heterocyclic base to form the salt-like complexes.

5. Synthesis and crystallization

To a 1 mmol solution of 3-amino-5-phenylthiazolidin-2-iminium bromide in 20 mL of ethanol was added 1 mmol of 4-chlorobenzaldehyde. The mixture was refluxed for 2 h and then cooled down. The reaction products, precipitated from the reaction mixture as colourless single crystals, were collected by filtration and washed with cold acetone.

(E)-3-[(4-chlorobenzylidene)amino]-5-phenylthiazolidin-2-iminium bromide: yield 78%, m.p. 531–532 K. Analysis calculated for C₁₆H₁₅BrClN₃S (M_r = 396.73): C 48.44, H 3.81, N 10.59. Found: C 48.40, H 3.78, N 10.55%. ¹H NMR (300 MHz, DMSO-d₆): 4.56 (k, 1H, CH₂, ³J_H–H = 6.9); 4.89 (t, 1H, CH₂, ³J_H–H = 7.8); 5.61 (t, 1H, CH—Ar, ³J_H–H = 7.2); 7.36–8.04 (m, 9H, 9Ar—H); 8.47 (s, 1H, CH=); 10.46 (s, 2H, H₂N⁺=). ¹³C NMR (75 MHz, DMSO-d₆): 45.40, 55.95, 125.13, 127.77, 128.85, 129.06, 130.49, 131.84, 132.15, 137.40, 149.94, 167.96. MS (ESI), m/z: 316.82 [C₁₆H₁₅ClN₃S]⁺ and 79.88 Br⁻.

6. Refinement

Crystal data, data collection and structure refinement details are summarized in Table 4. All C-bound H atoms were placed at calculated positions using a riding model, with aromatic C—H = 0.95–1.00 Å, and with U_iso(H) = 1.2U_eq(C). Hydrogen atoms of the amino groups were located directly from difference-Fourier maps and were constrained with AFIX 3 instructions (N—H = 0.90 Å) in order to ensure a chemically reasonable environment for these groups. These hydrogen atoms were modelled with isotropic thermal displacement parameters fixed at 1.2U_eq(N). One outlier (001) was omitted in the final cycles of refinement. The phenyl group and the carbon atom of the 1,3-thiazolidine group attached to it were refined as positionally disordered over two sets of sites with refined occupancies of 0.570 (3) and 0.430 (3).

Table 4
Experimental details

Crystal data
Chemical formula	C₁₆H₁₅ClN₃S⁺·Br⁻
M_r	396.73
Crystal system, space group	Triclinic, P $[\overline{1}]$
Temperature (K)	150
a, b, c (Å)	8.3146 (5), 8.9424 (5), 12.2388 (6)
α, β, γ (°)	80.988 (2), 76.458 (2), 70.027 (2)
V (Å³)	828.54 (8)
Z	2
Radiation type	Mo Kα
μ (mm⁻¹)	2.77
Crystal size (mm)	0.23 × 0.15 × 0.12

Data collection
Diffractometer	Bruker APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 2003 )
T_min, T_max	0.584, 0.721
No. of measured, independent and observed [I > 2σ(I)] reflections	13599, 3141, 2768
R_int	0.030
(sin θ/λ)_max (Å⁻¹)	0.611

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.032, 0.075, 1.07
No. of reflections	3141
No. of parameters	167
No. of restraints	13
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	0.43, −0.32
Computer programs: APEX2 and SAINT (Bruker, 2003), SHELXT2014 (Sheldrick, 2015a ), SHELXL2016 (Sheldrick, 2015b ), ORTEP-3 for Windows (Farrugia, 2012 ) and PLATON (Spek, 2003 ).

Supporting information

CCDC reference: 1837122

Crystal structure: contains datablock I. DOI: https://doi.org/10.1107/S2056989019009885/ff2160sup1.cif

Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989019009885/ff2160Isup2.hkl

Supporting information file. DOI: https://doi.org/10.1107/S2056989019009885/ff2160Isup3.cml

checkCIF report

Computing details top

Data collection: APEX2 (Bruker, 2003); cell refinement: SAINT (Bruker, 2003); data reduction: SAINT (Bruker, 2003); program(s) used to solve structure: SHELXT2014 (Sheldrick, 2015a); program(s) used to refine structure: SHELXL2016 (Sheldrick, 2015b); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare material for publication: PLATON (Spek, 2003).

(E)-3-[(4-Chlorobenzylidene)amino]-5-phenylthiazolidin-2-iminium bromide top

Crystal data top

C₁₆H₁₅ClN₃S⁺·Br⁻	Z = 2
M_r = 396.73	F(000) = 400
Triclinic, P1	D_x = 1.590 Mg m⁻³
a = 8.3146 (5) Å	Mo Kα radiation, λ = 0.71073 Å
b = 8.9424 (5) Å	Cell parameters from 5442 reflections
c = 12.2388 (6) Å	θ = 2.7–25.6°
α = 80.988 (2)°	µ = 2.77 mm⁻¹
β = 76.458 (2)°	T = 150 K
γ = 70.027 (2)°	Prism, colourless
V = 828.54 (8) Å³	0.23 × 0.15 × 0.12 mm

Data collection top

Bruker APEXII CCD diffractometer	2768 reflections with I > 2σ(I)
φ and ω scans	R_int = 0.030
Absorption correction: multi-scan (SADABS; Bruker, 2003)	θ_max = 25.7°, θ_min = 2.4°
T_min = 0.584, T_max = 0.721	h = −10→10
13599 measured reflections	k = −10→10
3141 independent reflections	l = −14→12

Refinement top

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)] = 0.032	Hydrogen site location: mixed
wR(F²) = 0.075	H-atom parameters constrained
S = 1.07	w = 1/[σ²(F_o²) + (0.0318P)² + 0.6849P] where P = (F_o² + 2F_c²)/3
3141 reflections	(Δ/σ)_max < 0.001
167 parameters	Δρ_max = 0.43 e Å⁻³
13 restraints	Δρ_min = −0.32 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)
Br1	0.43584 (3)	0.27419 (3)	0.08917 (3)	0.03616 (11)
S1	1.16201 (8)	0.01512 (8)	0.77241 (6)	0.02962 (17)
Cl1	0.71456 (9)	0.63476 (9)	1.50136 (6)	0.03926 (19)
N1	0.9880 (3)	0.2905 (3)	1.01551 (18)	0.0261 (5)
N2	1.0069 (3)	0.2228 (3)	0.91692 (18)	0.0295 (5)
N3	1.2932 (3)	0.0869 (3)	0.9296 (2)	0.0400 (6)
H3A	1.292718	0.144940	0.983551	0.048*
H3B	1.384318	−0.002770	0.916811	0.048*
C1	0.8687 (3)	0.2393 (3)	0.8545 (2)	0.0341 (7)
H1A	0.816300	0.353542	0.839939	0.041*
H1B	0.760230	0.250582	0.908539	0.041*
C2	0.9229 (7)	0.0699 (7)	0.8065 (4)	0.0235 (7)	0.430 (3)
H2A	0.885845	−0.008237	0.866227	0.028*	0.430 (3)
C2'	0.9748 (5)	0.1827 (5)	0.7375 (3)	0.0235 (7)	0.570 (3)
H2'A	1.017275	0.270076	0.692759	0.028*	0.570 (3)
C3	1.1593 (3)	0.1148 (3)	0.8835 (2)	0.0254 (6)
C4	0.8369 (3)	0.3820 (3)	1.0563 (2)	0.0241 (5)
H4A	0.743146	0.407061	1.017588	0.029*
C5	0.8106 (3)	0.4475 (3)	1.1638 (2)	0.0223 (5)
C6	0.6438 (3)	0.5335 (3)	1.2143 (2)	0.0325 (6)
H6A	0.549467	0.552836	1.177051	0.039*
C7	0.6126 (3)	0.5916 (3)	1.3182 (2)	0.0326 (6)
H7A	0.497686	0.649414	1.353033	0.039*
C8	0.7509 (3)	0.5642 (3)	1.3698 (2)	0.0263 (6)
C9	0.9184 (3)	0.4796 (3)	1.3208 (2)	0.0328 (6)
H9A	1.012263	0.461561	1.358178	0.039*
C10	0.9491 (3)	0.4214 (3)	1.2178 (2)	0.0291 (6)
H10A	1.064338	0.363690	1.183537	0.035*
C11	0.8465 (6)	0.0806 (7)	0.7014 (3)	0.0262 (4)	0.430 (3)
C12	0.8842 (5)	0.1707 (5)	0.6013 (5)	0.0262 (4)	0.430 (3)
H12A	0.959618	0.232164	0.595388	0.031*	0.430 (3)
C13	0.8115 (6)	0.1709 (5)	0.5099 (3)	0.0262 (4)	0.430 (3)
H13A	0.837260	0.232457	0.441512	0.031*	0.430 (3)
C14	0.7011 (6)	0.0810 (6)	0.5186 (3)	0.0262 (4)	0.430 (3)
H14A	0.651415	0.081077	0.456168	0.031*	0.430 (3)
C15	0.6634 (6)	−0.0091 (5)	0.6188 (4)	0.0262 (4)	0.430 (3)
H15A	0.587926	−0.070596	0.624700	0.031*	0.430 (3)
C16	0.7361 (6)	−0.0093 (5)	0.7102 (3)	0.0262 (4)	0.430 (3)
H16A	0.710282	−0.070891	0.778578	0.031*	0.430 (3)
C11'	0.8723 (4)	0.1315 (5)	0.6690 (3)	0.0262 (4)	0.570 (3)
C12'	0.8655 (4)	0.1978 (4)	0.5589 (3)	0.0262 (4)	0.570 (3)
H12B	0.922655	0.274751	0.527276	0.031*	0.570 (3)
C13'	0.7752 (5)	0.1515 (4)	0.49515 (18)	0.0262 (4)	0.570 (3)
H13B	0.770646	0.196839	0.419913	0.031*	0.570 (3)
C14'	0.6917 (4)	0.0390 (4)	0.5415 (3)	0.0262 (4)	0.570 (3)
H14B	0.629962	0.007328	0.497865	0.031*	0.570 (3)
C15'	0.6984 (5)	−0.0273 (3)	0.6515 (3)	0.0262 (4)	0.570 (3)
H15B	0.641287	−0.104273	0.683180	0.031*	0.570 (3)
C16'	0.7887 (5)	0.0189 (4)	0.71531 (18)	0.0262 (4)	0.570 (3)
H16B	0.793296	−0.026363	0.790545	0.031*	0.570 (3)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Br1	0.02235 (16)	0.03754 (17)	0.0473 (2)	−0.00105 (11)	−0.01050 (12)	−0.01367 (13)
S1	0.0215 (3)	0.0316 (4)	0.0341 (4)	0.0013 (3)	−0.0070 (3)	−0.0180 (3)
Cl1	0.0365 (4)	0.0458 (4)	0.0323 (4)	0.0007 (3)	−0.0103 (3)	−0.0202 (3)
N1	0.0235 (11)	0.0293 (12)	0.0248 (11)	−0.0027 (9)	−0.0063 (9)	−0.0111 (9)
N2	0.0204 (11)	0.0349 (13)	0.0309 (12)	0.0048 (9)	−0.0100 (9)	−0.0196 (10)
N3	0.0238 (12)	0.0452 (15)	0.0480 (15)	0.0093 (11)	−0.0152 (11)	−0.0292 (12)
C1	0.0207 (13)	0.0397 (16)	0.0382 (16)	0.0095 (12)	−0.0123 (12)	−0.0264 (13)
C2	0.0187 (17)	0.0239 (18)	0.0273 (19)	−0.0033 (14)	−0.0044 (15)	−0.0087 (14)
C2'	0.0187 (17)	0.0239 (18)	0.0273 (19)	−0.0033 (14)	−0.0044 (15)	−0.0087 (14)
C3	0.0220 (13)	0.0265 (13)	0.0274 (14)	−0.0039 (11)	−0.0055 (11)	−0.0089 (11)
C4	0.0190 (13)	0.0218 (13)	0.0307 (14)	−0.0007 (10)	−0.0079 (11)	−0.0083 (11)
C5	0.0201 (12)	0.0201 (12)	0.0260 (13)	−0.0035 (10)	−0.0052 (10)	−0.0057 (10)
C6	0.0201 (13)	0.0372 (16)	0.0405 (16)	0.0008 (11)	−0.0106 (12)	−0.0200 (13)
C7	0.0202 (13)	0.0358 (15)	0.0401 (16)	0.0000 (11)	−0.0053 (12)	−0.0190 (13)
C8	0.0273 (14)	0.0260 (13)	0.0244 (13)	−0.0033 (11)	−0.0051 (11)	−0.0103 (11)
C9	0.0225 (14)	0.0439 (17)	0.0311 (15)	−0.0019 (12)	−0.0125 (12)	−0.0097 (13)
C10	0.0185 (13)	0.0348 (15)	0.0288 (14)	0.0001 (11)	−0.0031 (11)	−0.0100 (12)
C11	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C12	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C13	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C14	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C15	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C16	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C11'	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C12'	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C13'	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C14'	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C15'	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)
C16'	0.0219 (8)	0.0310 (9)	0.0269 (9)	−0.0047 (6)	−0.0062 (6)	−0.0127 (7)

Geometric parameters (Å, º) top

S1—C3	1.731 (3)	C8—C9	1.379 (4)
S1—C2'	1.835 (4)	C9—C10	1.374 (4)
S1—C2	1.838 (5)	C9—H9A	0.9500
Cl1—C8	1.744 (3)	C10—H10A	0.9500
N1—C4	1.276 (3)	C11—C12	1.3900
N1—N2	1.386 (3)	C11—C16	1.3900
N2—C3	1.323 (3)	C12—C13	1.3900
N2—C1	1.478 (3)	C12—H12A	0.9500
N3—C3	1.296 (3)	C13—C14	1.3900
N3—H3A	0.8999	C13—H13A	0.9500
N3—H3B	0.9000	C14—C15	1.3900
C1—C2'	1.554 (5)	C14—H14A	0.9500
C1—C2	1.591 (6)	C15—C16	1.3900
C1—H1A	0.9700	C15—H15A	0.9500
C1—H1B	0.9700	C16—H16A	0.9500
C2—C11	1.5386 (19)	C11'—C12'	1.3900
C2—H2A	1.0000	C11'—C16'	1.3900
C2'—C11'	1.5363 (19)	C12'—C13'	1.3900
C2'—H2'A	1.0000	C12'—H12B	0.9500
C4—C5	1.463 (3)	C13'—C14'	1.3900
C4—H4A	0.9500	C13'—H13B	0.9500
C5—C6	1.383 (4)	C14'—C15'	1.3900
C5—C10	1.394 (4)	C14'—H14B	0.9500
C6—C7	1.384 (4)	C15'—C16'	1.3900
C6—H6A	0.9500	C15'—H15B	0.9500
C7—C8	1.371 (4)	C16'—H16B	0.9500
C7—H7A	0.9500

C3—S1—C2'	88.72 (12)	C7—C8—C9	121.5 (2)
C3—S1—C2	90.61 (15)	C7—C8—Cl1	119.5 (2)
C4—N1—N2	117.6 (2)	C9—C8—Cl1	119.0 (2)
C3—N2—N1	116.3 (2)	C10—C9—C8	119.8 (2)
C3—N2—C1	115.9 (2)	C10—C9—H9A	120.1
N1—N2—C1	127.2 (2)	C8—C9—H9A	120.1
C3—N3—H3A	122.6	C9—C10—C5	119.8 (2)
C3—N3—H3B	119.8	C9—C10—H10A	120.1
H3A—N3—H3B	116.8	C5—C10—H10A	120.1
N2—C1—C2'	102.7 (2)	C12—C11—C16	120.0
N2—C1—C2	104.0 (2)	C12—C11—C2	124.0 (5)
N2—C1—H1A	104.7	C16—C11—C2	116.0 (5)
C2'—C1—H1A	104.2	C13—C12—C11	120.0
C2—C1—H1A	145.2	C13—C12—H12A	120.0
N2—C1—H1B	108.2	C11—C12—H12A	120.0
C2'—C1—H1B	145.6	C12—C13—C14	120.0
C2—C1—H1B	106.5	C12—C13—H13A	120.0
H1A—C1—H1B	82.5	C14—C13—H13A	120.0
C11—C2—C1	112.0 (4)	C15—C14—C13	120.0
C11—C2—S1	111.7 (3)	C15—C14—H14A	120.0
C1—C2—S1	101.9 (3)	C13—C14—H14A	120.0
C11—C2—H2A	110.3	C16—C15—C14	120.0
C1—C2—H2A	110.3	C16—C15—H15A	120.0
S1—C2—H2A	110.3	C14—C15—H15A	120.0
C11'—C2'—C1	114.0 (3)	C15—C16—C11	120.0
C11'—C2'—S1	111.5 (3)	C15—C16—H16A	120.0
C1—C2'—S1	103.5 (2)	C11—C16—H16A	120.0
C11'—C2'—H2'A	109.2	C12'—C11'—C16'	120.0
C1—C2'—H2'A	109.2	C12'—C11'—C2'	119.2 (3)
S1—C2'—H2'A	109.2	C16'—C11'—C2'	120.8 (3)
N3—C3—N2	123.1 (2)	C11'—C12'—C13'	120.0
N3—C3—S1	123.5 (2)	C11'—C12'—H12B	120.0
N2—C3—S1	113.40 (18)	C13'—C12'—H12B	120.0
N1—C4—C5	118.8 (2)	C14'—C13'—C12'	120.0
N1—C4—H4A	120.6	C14'—C13'—H13B	120.0
C5—C4—H4A	120.6	C12'—C13'—H13B	120.0
C6—C5—C10	119.4 (2)	C15'—C14'—C13'	120.0
C6—C5—C4	119.2 (2)	C15'—C14'—H14B	120.0
C10—C5—C4	121.4 (2)	C13'—C14'—H14B	120.0
C5—C6—C7	120.9 (2)	C14'—C15'—C16'	120.0
C5—C6—H6A	119.5	C14'—C15'—H15B	120.0
C7—C6—H6A	119.5	C16'—C15'—H15B	120.0
C8—C7—C6	118.6 (2)	C15'—C16'—C11'	120.0
C8—C7—H7A	120.7	C15'—C16'—H16B	120.0
C6—C7—H7A	120.7	C11'—C16'—H16B	120.0

C4—N1—N2—C3	−172.7 (2)	C7—C8—C9—C10	0.2 (4)
C4—N1—N2—C1	−2.6 (4)	Cl1—C8—C9—C10	179.2 (2)
C3—N2—C1—C2'	−26.2 (3)	C8—C9—C10—C5	−0.4 (4)
N1—N2—C1—C2'	163.7 (3)	C6—C5—C10—C9	0.8 (4)
C3—N2—C1—C2	25.4 (4)	C4—C5—C10—C9	−177.5 (3)
N1—N2—C1—C2	−144.8 (3)	C1—C2—C11—C12	61.3 (5)
N2—C1—C2—C11	−155.9 (4)	S1—C2—C11—C12	−52.3 (5)
N2—C1—C2—S1	−36.4 (3)	C1—C2—C11—C16	−119.8 (4)
C3—S1—C2—C11	152.1 (4)	S1—C2—C11—C16	126.5 (3)
C3—S1—C2—C1	32.4 (2)	C16—C11—C12—C13	0.0
N2—C1—C2'—C11'	159.8 (3)	C2—C11—C12—C13	178.8 (5)
N2—C1—C2'—S1	38.5 (3)	C11—C12—C13—C14	0.0
C3—S1—C2'—C11'	−157.6 (3)	C12—C13—C14—C15	0.0
C3—S1—C2'—C1	−34.6 (2)	C13—C14—C15—C16	0.0
N1—N2—C3—N3	−9.0 (4)	C14—C15—C16—C11	0.0
C1—N2—C3—N3	179.8 (3)	C12—C11—C16—C15	0.0
N1—N2—C3—S1	171.00 (18)	C2—C11—C16—C15	−178.9 (4)
C1—N2—C3—S1	−0.2 (3)	C1—C2'—C11'—C12'	127.7 (3)
C2'—S1—C3—N3	−158.3 (3)	S1—C2'—C11'—C12'	−115.5 (3)
C2—S1—C3—N3	159.2 (3)	C1—C2'—C11'—C16'	−53.1 (4)
C2'—S1—C3—N2	21.7 (2)	S1—C2'—C11'—C16'	63.7 (3)
C2—S1—C3—N2	−20.8 (3)	C16'—C11'—C12'—C13'	0.0
N2—N1—C4—C5	176.4 (2)	C2'—C11'—C12'—C13'	179.2 (3)
N1—C4—C5—C6	−173.6 (3)	C11'—C12'—C13'—C14'	0.0
N1—C4—C5—C10	4.7 (4)	C12'—C13'—C14'—C15'	0.0
C10—C5—C6—C7	−1.0 (4)	C13'—C14'—C15'—C16'	0.0
C4—C5—C6—C7	177.3 (3)	C14'—C15'—C16'—C11'	0.0
C5—C6—C7—C8	0.8 (4)	C12'—C11'—C16'—C15'	0.0
C6—C7—C8—C9	−0.5 (4)	C2'—C11'—C16'—C15'	−179.2 (3)
C6—C7—C8—Cl1	−179.4 (2)

Hydrogen-bond geometry (Å, º) top

Cg3 is the centroid of the C5–C10 benzene ring of the chlorophenyl moiety. Cg4 and Cg5 are the centroids of the major and minor components of the disordered phenyl ring, respectively.

D—H···A	D—H	H···A	D···A	D—H···A
N3—H3A···Br1ⁱ	0.90	2.56	3.390 (2)	154
N3—H3B···Br1ⁱⁱ	0.90	2.38	3.252 (2)	164
C10—H10A···Br1ⁱ	0.95	2.91	3.823 (3)	163
C7—H7A···Cg4ⁱⁱⁱ	0.95	2.71	3.595 (3)	155
C7—H7A···Cg5ⁱⁱⁱ	0.95	2.70	3.568 (3)	153
C13—H13A···Cg3^iv	0.95	2.97	3.861 (4)	157

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

Summary of short interatomic contacts (Å) in the title salt top

Contact	Distance	Symmetry operation
Br1···H3A	2.56	-1 + x, y, -1 + z
Br1···H1B	2.56	x, y, -1 + z
Br1···H3B	2.38	2 - x, - y, 1 - z
Br1···H4A	2.98	1 - x, 1 - y, 1 - z
Br1···H16A	2.66	1 - x, -y, 1 - z

Percentage contributions of interatomic contacts to the Hirshfeld surface for the title salt top

Contact	Percentage contribution
H···H	30.5
Br···H/H···Br	21.2
C···H/H···C	19.2
Cl···H/H···Cl	13.0
S···H/H···S	5.0
N···C/C···N	3.3
N···H/H···N	3.0
C···C	2.1
S···C/C···S	1.7
Br···S/S···Br	0.4
Cl···C/C···Cl	0.3
Br···C/C···Br	0.1
N···S/S···N	0.1

Funding information

AK is grateful to Baku State University for the `50 + 50′ individual grant in support of this work.

References

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