organic compounds
2,2′-[2,4-Bis(naphthalen-1-yl)cyclobutane-1,3-diyl]bis(1-methylpyridinium) bis(4-chlorobenzenesulfonate): thermal-induced [2 + 2] cycloaddition reaction of a heterostilbene
aDepartment of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand, bFaculty of Traditional Thai Medicine, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand, and cX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
*Correspondence e-mail: suchada.c@psu.ac.th
The 36H32N22+·2C6H4ClO3S−, consists of one anion and one half-cation, the other half being generated by inversion symmetry. The dihedral angle between the pyridinium ring and the napthalene ring system in the is 42.86 (6)°. In the crystal, cations and anions are linked by weak C—H⋯O interactions into chains along [010]. Adjacent chains are further arranged in an antiparallel manner into sheets parallel to the bc plane. π–π interactions are observed involving the cations, with centroid–centroid distances of 3.7664 (8) and 3.8553 (8) Å.
of the title salt, CCCDC reference: 993267
Related literature
For background to stibene and [2 + 2] photodimerization, see: Chanawanno et al. (2010); Chantrapromma et al. (2007); Papaefstathiou et al. (2002); Ruanwas et al. (2010); Yayli et al. (2004); Zhang et al. (2013). For related structures, see: Chantrapromma et al. (2012); Fun, Chanawanno & Chantrapromma (2009); Fun, Surasit et al. (2009). For bond-length data, see: Allen et al. (1987). For the stability of the temperature controller used in the data collection, see: Cosier & Glazer (1986).
Experimental
Crystal data
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Data collection: APEX2 (Bruker, 2005); cell SAINT (Bruker, 2005); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL, PLATON (Spek, 2009), Mercury (Macrae et al., 2006) and publCIF (Westrip, 2010).
Supporting information
CCDC reference: 993267
10.1107/S160053681400645X/rz5110sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681400645X/rz5110Isup2.hkl
Supporting information file. DOI: 10.1107/S160053681400645X/rz5110Isup3.cml
A solution of (E)-1-methyl-2-[2-(1-naphthyl)vinyl)pyridinium iodide (0.25 g, 0.67 mmol) in CH3OH (20 ml) was mixed (1:1 molar ratio) with a solution of silver(I) 4-chlorobenzenesulfonate (0.20 g, 0.67 mmol) (Chantrapromma et al., 2007) in CH3OH (80 ml) and stirred for 30 min. The precipitate of silver iodide which formed was filtered and the filtrate was evaporated to give a yellow solid product. The yellow solid was repeatedly recrystallized for three times by dissolving the yellow solid in CH3OH and the solution was heated at 323 K to get a clear solution. The [2 + 2]
of (E)-1-methyl-2-[2-(1-naphthyl)vinyl)pyridinium occurred upon heating. Yellow plate-shaped single crystals of the title compound suitable for X-ray were obtained after recrystallization in CH3OH by slow evaporation of the solvent at room temperature after a few weeks.Data collection: APEX2 (Bruker, 2005); cell
SAINT (Bruker, 2005); data reduction: SAINT (Bruker, 2005); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008), PLATON (Spek, 2009), Mercury (Macrae et al., 2006) and publCIF (Westrip, 2010).Fig. 1. The molecular structure of the title compound, with 50% probability displacement ellipsoids. Symmetry code: (A) 2-x, 1-y, 2-z, | |
Fig. 2. The crystal packing of the title compound viewed down the a axis. H atoms not involved in C—H···O interactions (dashed lines) are omitted for clarity. | |
Fig. 3. The π···π stacking interactions between the pyridinium and napthalene rings. H atoms are omitted for clarity. |
C36H32N22+·2C6H4ClO3S− | Z = 1 |
Mr = 875.86 | F(000) = 456 |
Triclinic, P1 | Dx = 1.456 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 7.5488 (3) Å | Cell parameters from 5817 reflections |
b = 11.1899 (4) Å | θ = 1.9–30.0° |
c = 12.3853 (5) Å | µ = 0.32 mm−1 |
α = 79.904 (2)° | T = 100 K |
β = 75.964 (2)° | Plate, yellow |
γ = 89.266 (2)° | 0.56 × 0.50 × 0.21 mm |
V = 998.76 (7) Å3 |
Bruker APEXII CCD area-detector diffractometer | 5817 independent reflections |
Radiation source: sealed tube | 4977 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.031 |
ϕ and ω scans | θmax = 30.0°, θmin = 1.9° |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | h = −10→10 |
Tmin = 0.837, Tmax = 0.936 | k = −15→15 |
35475 measured reflections | l = −17→17 |
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)] = 0.040 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.115 | All H-atom parameters refined |
S = 1.09 | w = 1/[σ2(Fo2) + (0.052P)2 + 0.7427P] where P = (Fo2 + 2Fc2)/3 |
5817 reflections | (Δ/σ)max = 0.001 |
351 parameters | Δρmax = 0.50 e Å−3 |
0 restraints | Δρmin = −0.74 e Å−3 |
C36H32N22+·2C6H4ClO3S− | γ = 89.266 (2)° |
Mr = 875.86 | V = 998.76 (7) Å3 |
Triclinic, P1 | Z = 1 |
a = 7.5488 (3) Å | Mo Kα radiation |
b = 11.1899 (4) Å | µ = 0.32 mm−1 |
c = 12.3853 (5) Å | T = 100 K |
α = 79.904 (2)° | 0.56 × 0.50 × 0.21 mm |
β = 75.964 (2)° |
Bruker APEXII CCD area-detector diffractometer | 5817 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 4977 reflections with I > 2σ(I) |
Tmin = 0.837, Tmax = 0.936 | Rint = 0.031 |
35475 measured reflections |
R[F2 > 2σ(F2)] = 0.040 | 0 restraints |
wR(F2) = 0.115 | All H-atom parameters refined |
S = 1.09 | Δρmax = 0.50 e Å−3 |
5817 reflections | Δρmin = −0.74 e Å−3 |
351 parameters |
Experimental. The crystal was placed in the cold stream of an Oxford Cryosystems Cobra open-flow nitrogen cryostat (Cosier & Glazer, 1986) operating at 100.0 (1) K. |
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. |
x | y | z | Uiso*/Ueq | ||
Cl1 | 0.34039 (7) | 0.25081 (7) | 0.47197 (4) | 0.05223 (17) | |
S1 | 0.78639 (5) | 0.19952 (3) | 0.84360 (3) | 0.01743 (9) | |
O1 | 0.73608 (18) | 0.08040 (9) | 0.91361 (10) | 0.0249 (2) | |
O2 | 0.73144 (17) | 0.29857 (10) | 0.90582 (9) | 0.0247 (2) | |
O3 | 0.97566 (16) | 0.21127 (10) | 0.77961 (10) | 0.0245 (2) | |
N1 | 0.71757 (16) | 0.75327 (10) | 0.97380 (10) | 0.0141 (2) | |
C1 | 0.65583 (19) | 0.21394 (13) | 0.74055 (12) | 0.0169 (2) | |
C2 | 0.6222 (2) | 0.11222 (14) | 0.69692 (13) | 0.0216 (3) | |
H2 | 0.669 (3) | 0.036 (2) | 0.7248 (18) | 0.030 (5)* | |
C3 | 0.5228 (2) | 0.12351 (18) | 0.61444 (14) | 0.0295 (4) | |
H3 | 0.499 (4) | 0.050 (2) | 0.587 (2) | 0.048 (7)* | |
C4 | 0.4605 (2) | 0.23620 (19) | 0.57678 (13) | 0.0310 (4) | |
C5 | 0.4931 (2) | 0.33809 (18) | 0.61922 (14) | 0.0306 (4) | |
H5 | 0.445 (4) | 0.416 (2) | 0.594 (2) | 0.044 (7)* | |
C6 | 0.5919 (2) | 0.32641 (15) | 0.70183 (13) | 0.0243 (3) | |
H6 | 0.614 (3) | 0.399 (2) | 0.733 (2) | 0.043 (7)* | |
C7 | 1.1080 (2) | 0.50647 (12) | 0.73600 (12) | 0.0171 (3) | |
H7 | 1.107 (3) | 0.420 (2) | 0.7661 (18) | 0.031 (5)* | |
C8 | 1.0998 (2) | 0.54409 (13) | 0.62185 (12) | 0.0201 (3) | |
H8 | 1.094 (3) | 0.4832 (19) | 0.5774 (17) | 0.023 (5)* | |
C9 | 1.0930 (2) | 0.66488 (14) | 0.57787 (12) | 0.0198 (3) | |
H9 | 1.083 (3) | 0.692 (2) | 0.498 (2) | 0.037 (6)* | |
C10 | 1.09915 (19) | 0.75385 (12) | 0.64568 (11) | 0.0166 (2) | |
C11 | 1.0880 (2) | 0.87977 (13) | 0.60332 (12) | 0.0201 (3) | |
H11 | 1.079 (3) | 0.9014 (19) | 0.5266 (17) | 0.025 (5)* | |
C12 | 1.0923 (2) | 0.96528 (13) | 0.66949 (13) | 0.0214 (3) | |
H12 | 1.081 (3) | 1.0496 (19) | 0.6386 (17) | 0.025 (5)* | |
C13 | 1.1119 (2) | 0.92916 (12) | 0.78099 (13) | 0.0187 (3) | |
H13 | 1.113 (3) | 0.9900 (19) | 0.8269 (17) | 0.024 (5)* | |
C14 | 1.12389 (19) | 0.80819 (12) | 0.82451 (12) | 0.0156 (2) | |
H14 | 1.139 (3) | 0.7860 (17) | 0.9006 (16) | 0.016 (4)* | |
C15 | 1.11430 (18) | 0.71681 (12) | 0.75936 (11) | 0.0139 (2) | |
C16 | 1.11371 (18) | 0.58955 (12) | 0.80500 (11) | 0.0136 (2) | |
C17 | 1.10424 (18) | 0.55360 (11) | 0.92961 (11) | 0.0127 (2) | |
H17 | 1.208 (2) | 0.5887 (16) | 0.9483 (15) | 0.013 (4)* | |
C18 | 0.92111 (18) | 0.58354 (11) | 1.01586 (11) | 0.0128 (2) | |
H18 | 0.951 (3) | 0.6318 (18) | 1.0651 (17) | 0.022 (5)* | |
C19 | 0.77448 (17) | 0.63876 (11) | 0.96192 (11) | 0.0127 (2) | |
C20 | 0.70618 (18) | 0.58062 (12) | 0.88915 (12) | 0.0154 (2) | |
H20 | 0.743 (3) | 0.4980 (18) | 0.8833 (17) | 0.023 (5)* | |
C21 | 0.59784 (19) | 0.64167 (13) | 0.82278 (12) | 0.0175 (3) | |
H21 | 0.552 (3) | 0.6025 (19) | 0.7721 (18) | 0.027 (5)* | |
C22 | 0.5555 (2) | 0.76146 (13) | 0.83035 (13) | 0.0187 (3) | |
H22 | 0.478 (3) | 0.806 (2) | 0.7852 (18) | 0.028 (5)* | |
C23 | 0.61171 (19) | 0.81340 (12) | 0.90961 (12) | 0.0174 (3) | |
H23 | 0.578 (3) | 0.8907 (19) | 0.9267 (17) | 0.025 (5)* | |
C24 | 0.7691 (2) | 0.81744 (13) | 1.05723 (12) | 0.0178 (3) | |
H24A | 0.750 (3) | 0.7626 (19) | 1.1291 (17) | 0.023 (5)* | |
H24B | 0.694 (3) | 0.886 (2) | 1.0634 (18) | 0.031 (6)* | |
H24C | 0.895 (3) | 0.8424 (19) | 1.0323 (18) | 0.027 (5)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0367 (3) | 0.0909 (5) | 0.0291 (2) | −0.0113 (3) | −0.02130 (19) | 0.0088 (2) |
S1 | 0.02519 (18) | 0.00977 (15) | 0.02051 (17) | −0.00007 (12) | −0.01122 (13) | −0.00329 (11) |
O1 | 0.0397 (6) | 0.0112 (4) | 0.0270 (5) | −0.0022 (4) | −0.0167 (5) | 0.0003 (4) |
O2 | 0.0404 (7) | 0.0139 (5) | 0.0229 (5) | −0.0003 (4) | −0.0111 (5) | −0.0072 (4) |
O3 | 0.0231 (5) | 0.0204 (5) | 0.0343 (6) | 0.0009 (4) | −0.0135 (5) | −0.0069 (4) |
N1 | 0.0151 (5) | 0.0097 (5) | 0.0181 (5) | 0.0009 (4) | −0.0051 (4) | −0.0023 (4) |
C1 | 0.0177 (6) | 0.0167 (6) | 0.0171 (6) | 0.0012 (5) | −0.0057 (5) | −0.0030 (5) |
C2 | 0.0245 (7) | 0.0209 (7) | 0.0214 (7) | −0.0032 (5) | −0.0083 (5) | −0.0049 (5) |
C3 | 0.0287 (8) | 0.0401 (10) | 0.0219 (7) | −0.0094 (7) | −0.0096 (6) | −0.0057 (7) |
C4 | 0.0197 (7) | 0.0538 (11) | 0.0184 (7) | −0.0029 (7) | −0.0081 (6) | 0.0016 (7) |
C5 | 0.0262 (8) | 0.0377 (9) | 0.0245 (7) | 0.0105 (7) | −0.0072 (6) | 0.0040 (7) |
C6 | 0.0284 (8) | 0.0219 (7) | 0.0224 (7) | 0.0073 (6) | −0.0073 (6) | −0.0021 (6) |
C7 | 0.0210 (6) | 0.0130 (6) | 0.0174 (6) | 0.0022 (5) | −0.0050 (5) | −0.0024 (5) |
C8 | 0.0263 (7) | 0.0181 (6) | 0.0176 (6) | 0.0027 (5) | −0.0069 (5) | −0.0057 (5) |
C9 | 0.0236 (7) | 0.0203 (7) | 0.0154 (6) | 0.0030 (5) | −0.0060 (5) | −0.0019 (5) |
C10 | 0.0176 (6) | 0.0149 (6) | 0.0162 (6) | 0.0021 (5) | −0.0043 (5) | 0.0000 (5) |
C11 | 0.0238 (7) | 0.0164 (6) | 0.0185 (6) | 0.0030 (5) | −0.0062 (5) | 0.0023 (5) |
C12 | 0.0241 (7) | 0.0131 (6) | 0.0246 (7) | 0.0015 (5) | −0.0050 (5) | 0.0018 (5) |
C13 | 0.0204 (6) | 0.0118 (6) | 0.0234 (7) | −0.0002 (5) | −0.0055 (5) | −0.0016 (5) |
C14 | 0.0166 (6) | 0.0119 (6) | 0.0177 (6) | −0.0008 (4) | −0.0044 (5) | −0.0012 (5) |
C15 | 0.0141 (5) | 0.0111 (5) | 0.0161 (6) | 0.0004 (4) | −0.0042 (4) | −0.0006 (4) |
C16 | 0.0141 (5) | 0.0114 (5) | 0.0150 (5) | 0.0008 (4) | −0.0041 (4) | −0.0007 (4) |
C17 | 0.0144 (5) | 0.0086 (5) | 0.0153 (5) | 0.0006 (4) | −0.0048 (4) | −0.0013 (4) |
C18 | 0.0142 (5) | 0.0091 (5) | 0.0155 (5) | 0.0009 (4) | −0.0053 (4) | −0.0009 (4) |
C19 | 0.0130 (5) | 0.0087 (5) | 0.0161 (6) | 0.0006 (4) | −0.0038 (4) | −0.0010 (4) |
C20 | 0.0163 (6) | 0.0109 (5) | 0.0197 (6) | 0.0001 (4) | −0.0059 (5) | −0.0027 (5) |
C21 | 0.0176 (6) | 0.0155 (6) | 0.0215 (6) | −0.0010 (5) | −0.0087 (5) | −0.0029 (5) |
C22 | 0.0174 (6) | 0.0153 (6) | 0.0246 (7) | 0.0021 (5) | −0.0097 (5) | −0.0007 (5) |
C23 | 0.0172 (6) | 0.0112 (5) | 0.0244 (7) | 0.0035 (5) | −0.0074 (5) | −0.0017 (5) |
C24 | 0.0225 (7) | 0.0129 (6) | 0.0204 (6) | 0.0033 (5) | −0.0077 (5) | −0.0063 (5) |
Cl1—C4 | 1.7397 (16) | C11—C12 | 1.370 (2) |
S1—O3 | 1.4511 (12) | C11—H11 | 0.96 (2) |
S1—O1 | 1.4564 (11) | C12—C13 | 1.412 (2) |
S1—O2 | 1.4584 (11) | C12—H12 | 0.96 (2) |
S1—C1 | 1.7776 (14) | C13—C14 | 1.3769 (18) |
N1—C23 | 1.3529 (17) | C13—H13 | 0.96 (2) |
N1—C19 | 1.3673 (16) | C14—C15 | 1.4217 (18) |
N1—C24 | 1.4823 (17) | C14—H14 | 0.965 (19) |
C1—C6 | 1.390 (2) | C15—C16 | 1.4368 (17) |
C1—C2 | 1.394 (2) | C16—C17 | 1.5094 (18) |
C2—C3 | 1.395 (2) | C17—C18i | 1.5585 (17) |
C2—H2 | 0.96 (2) | C17—C18 | 1.6005 (18) |
C3—C4 | 1.383 (3) | C17—H17 | 0.974 (19) |
C3—H3 | 0.97 (3) | C18—C19 | 1.5000 (18) |
C4—C5 | 1.384 (3) | C18—C17i | 1.5585 (17) |
C5—C6 | 1.394 (2) | C18—H18 | 0.95 (2) |
C5—H5 | 0.98 (3) | C19—C20 | 1.3932 (18) |
C6—H6 | 0.99 (3) | C20—C21 | 1.3879 (19) |
C7—C16 | 1.3761 (18) | C20—H20 | 0.97 (2) |
C7—C8 | 1.4189 (19) | C21—C22 | 1.388 (2) |
C7—H7 | 0.98 (2) | C21—H21 | 0.95 (2) |
C8—C9 | 1.371 (2) | C22—C23 | 1.375 (2) |
C8—H8 | 0.96 (2) | C22—H22 | 0.98 (2) |
C9—C10 | 1.418 (2) | C23—H23 | 0.94 (2) |
C9—H9 | 1.00 (2) | C24—H24A | 0.97 (2) |
C10—C11 | 1.4237 (19) | C24—H24B | 0.95 (2) |
C10—C15 | 1.4282 (18) | C24—H24C | 0.96 (2) |
O3—S1—O1 | 113.75 (7) | C14—C13—C12 | 120.46 (13) |
O3—S1—O2 | 113.02 (7) | C14—C13—H13 | 120.5 (12) |
O1—S1—O2 | 112.70 (7) | C12—C13—H13 | 119.0 (12) |
O3—S1—C1 | 105.26 (7) | C13—C14—C15 | 121.07 (13) |
O1—S1—C1 | 105.65 (7) | C13—C14—H14 | 118.8 (11) |
O2—S1—C1 | 105.50 (7) | C15—C14—H14 | 120.1 (11) |
C23—N1—C19 | 121.43 (12) | C14—C15—C10 | 118.30 (12) |
C23—N1—C24 | 116.89 (11) | C14—C15—C16 | 122.34 (12) |
C19—N1—C24 | 121.68 (11) | C10—C15—C16 | 119.33 (12) |
C6—C1—C2 | 120.35 (14) | C7—C16—C15 | 118.98 (12) |
C6—C1—S1 | 120.19 (11) | C7—C16—C17 | 123.07 (12) |
C2—C1—S1 | 119.44 (11) | C15—C16—C17 | 117.77 (11) |
C1—C2—C3 | 119.68 (15) | C16—C17—C18i | 118.70 (11) |
C1—C2—H2 | 118.5 (13) | C16—C17—C18 | 117.06 (11) |
C3—C2—H2 | 121.8 (13) | C18i—C17—C18 | 90.59 (9) |
C4—C3—C2 | 119.18 (16) | C16—C17—H17 | 110.6 (11) |
C4—C3—H3 | 122.9 (16) | C18i—C17—H17 | 109.6 (11) |
C2—C3—H3 | 117.9 (16) | C18—C17—H17 | 108.5 (10) |
C3—C4—C5 | 121.80 (15) | C19—C18—C17i | 117.10 (11) |
C3—C4—Cl1 | 119.17 (15) | C19—C18—C17 | 115.18 (11) |
C5—C4—Cl1 | 119.03 (15) | C17i—C18—C17 | 89.41 (9) |
C4—C5—C6 | 118.86 (16) | C19—C18—H18 | 111.7 (12) |
C4—C5—H5 | 120.9 (15) | C17i—C18—H18 | 112.1 (12) |
C6—C5—H5 | 120.3 (15) | C17—C18—H18 | 109.4 (12) |
C1—C6—C5 | 120.13 (16) | N1—C19—C20 | 117.97 (12) |
C1—C6—H6 | 120.6 (15) | N1—C19—C18 | 120.58 (11) |
C5—C6—H6 | 119.2 (15) | C20—C19—C18 | 121.12 (11) |
C16—C7—C8 | 121.32 (13) | C21—C20—C19 | 120.72 (12) |
C16—C7—H7 | 119.8 (13) | C21—C20—H20 | 121.6 (12) |
C8—C7—H7 | 118.9 (13) | C19—C20—H20 | 117.6 (12) |
C9—C8—C7 | 120.64 (13) | C20—C21—C22 | 119.42 (13) |
C9—C8—H8 | 120.8 (12) | C20—C21—H21 | 120.9 (13) |
C7—C8—H8 | 118.5 (12) | C22—C21—H21 | 119.6 (13) |
C8—C9—C10 | 120.03 (13) | C23—C22—C21 | 118.63 (13) |
C8—C9—H9 | 120.9 (14) | C23—C22—H22 | 120.2 (13) |
C10—C9—H9 | 119.0 (14) | C21—C22—H22 | 121.0 (13) |
C9—C10—C11 | 121.36 (13) | N1—C23—C22 | 121.37 (13) |
C9—C10—C15 | 119.59 (12) | N1—C23—H23 | 114.0 (13) |
C11—C10—C15 | 119.04 (13) | C22—C23—H23 | 124.6 (13) |
C12—C11—C10 | 121.14 (13) | N1—C24—H24A | 109.0 (12) |
C12—C11—H11 | 122.0 (12) | N1—C24—H24B | 107.3 (14) |
C10—C11—H11 | 116.8 (12) | H24A—C24—H24B | 111.1 (18) |
C11—C12—C13 | 119.94 (13) | N1—C24—H24C | 109.9 (13) |
C11—C12—H12 | 118.9 (12) | H24A—C24—H24C | 108.7 (18) |
C13—C12—H12 | 121.2 (12) | H24B—C24—H24C | 110.7 (19) |
O3—S1—C1—C6 | −93.88 (13) | C11—C10—C15—C16 | 176.00 (12) |
O1—S1—C1—C6 | 145.45 (13) | C8—C7—C16—C15 | −1.0 (2) |
O2—S1—C1—C6 | 25.87 (14) | C8—C7—C16—C17 | 173.93 (13) |
O3—S1—C1—C2 | 84.49 (13) | C14—C15—C16—C7 | −178.65 (13) |
O1—S1—C1—C2 | −36.18 (14) | C10—C15—C16—C7 | 3.31 (19) |
O2—S1—C1—C2 | −155.76 (12) | C14—C15—C16—C17 | 6.13 (19) |
C6—C1—C2—C3 | −0.4 (2) | C10—C15—C16—C17 | −171.91 (12) |
S1—C1—C2—C3 | −178.75 (12) | C7—C16—C17—C18i | −2.56 (19) |
C1—C2—C3—C4 | 0.5 (2) | C15—C16—C17—C18i | 172.45 (11) |
C2—C3—C4—C5 | −0.4 (3) | C7—C16—C17—C18 | −109.58 (14) |
C2—C3—C4—Cl1 | 178.78 (13) | C15—C16—C17—C18 | 65.43 (15) |
C3—C4—C5—C6 | 0.2 (3) | C16—C17—C18—C19 | 3.08 (16) |
Cl1—C4—C5—C6 | −178.95 (13) | C18i—C17—C18—C19 | −119.90 (13) |
C2—C1—C6—C5 | 0.2 (2) | C16—C17—C18—C17i | 122.98 (13) |
S1—C1—C6—C5 | 178.57 (13) | C18i—C17—C18—C17i | 0.0 |
C4—C5—C6—C1 | −0.1 (3) | C23—N1—C19—C20 | −6.00 (19) |
C16—C7—C8—C9 | −1.5 (2) | C24—N1—C19—C20 | 174.15 (12) |
C7—C8—C9—C10 | 1.7 (2) | C23—N1—C19—C18 | 167.49 (12) |
C8—C9—C10—C11 | −178.48 (14) | C24—N1—C19—C18 | −12.36 (19) |
C8—C9—C10—C15 | 0.6 (2) | C17i—C18—C19—N1 | 139.98 (12) |
C9—C10—C11—C12 | 179.41 (14) | C17—C18—C19—N1 | −116.85 (13) |
C15—C10—C11—C12 | 0.3 (2) | C17i—C18—C19—C20 | −46.74 (17) |
C10—C11—C12—C13 | 1.3 (2) | C17—C18—C19—C20 | 56.43 (16) |
C11—C12—C13—C14 | −1.0 (2) | N1—C19—C20—C21 | 6.1 (2) |
C12—C13—C14—C15 | −0.9 (2) | C18—C19—C20—C21 | −167.36 (13) |
C13—C14—C15—C10 | 2.5 (2) | C19—C20—C21—C22 | −0.8 (2) |
C13—C14—C15—C16 | −175.60 (13) | C20—C21—C22—C23 | −4.6 (2) |
C9—C10—C15—C14 | 178.74 (13) | C19—N1—C23—C22 | 0.6 (2) |
C11—C10—C15—C14 | −2.1 (2) | C24—N1—C23—C22 | −179.56 (13) |
C9—C10—C15—C16 | −3.1 (2) | C21—C22—C23—N1 | 4.8 (2) |
Symmetry code: (i) −x+2, −y+1, −z+2. |
Cg4 is the centroid of the C1–C6 ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C7—H7···O3 | 0.97 (2) | 2.51 (2) | 3.3762 (18) | 147.9 (18) |
C17—H17···O2i | 0.974 (17) | 2.506 (18) | 3.3001 (18) | 138.6 (13) |
C20—H20···O2 | 0.97 (2) | 2.20 (2) | 3.1329 (18) | 160.5 (19) |
C23—H23···O1ii | 0.94 (2) | 2.41 (2) | 3.1554 (17) | 135.8 (18) |
C24—H24B···O1ii | 0.95 (2) | 2.57 (2) | 3.2009 (18) | 124.3 (16) |
C9—H9···Cg4iii | 1.00 (2) | 2.98 (2) | 3.4790 (16) | 112.1 (16) |
Symmetry codes: (i) −x+2, −y+1, −z+2; (ii) x, y+1, z; (iii) −x+2, −y+1, −z+1. |
Cg4 is the centroid of the C1–C6 ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C7—H7···O3 | 0.97 (2) | 2.51 (2) | 3.3762 (18) | 147.9 (18) |
C17—H17···O2i | 0.974 (17) | 2.506 (18) | 3.3001 (18) | 138.6 (13) |
C20—H20···O2 | 0.97 (2) | 2.20 (2) | 3.1329 (18) | 160.5 (19) |
C23—H23···O1ii | 0.94 (2) | 2.41 (2) | 3.1554 (17) | 135.8 (18) |
C24—H24B···O1ii | 0.95 (2) | 2.57 (2) | 3.2009 (18) | 124.3 (16) |
C9—H9···Cg4iii | 1.00 (2) | 2.98 (2) | 3.4790 (16) | 112.1 (16) |
Symmetry codes: (i) −x+2, −y+1, −z+2; (ii) x, y+1, z; (iii) −x+2, −y+1, −z+1. |
Acknowledgements
The authors thank the Department of Chemistry, Faculty of Science, Prince of Songkla University, for the research facility and extend their appreciation to the Malaysian Government and Universiti Sains Malaysia for APEX DE2012 grant No. 1002/PFIZIK/910323.
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Stilbene derivatives have been reported to exhibit non-linear optical (NLO) property (Ruanwas et al., 2010) and antibacterial activity (Chanawanno et al., 2010). It has been known that [2 + 2] photodimerization of stilbenes to yield cyclobutane can occur (Papaefstathiou et al., 2002). In our cases, the [2 + 2] cycloaddition of heterostilbene derivatives was carried out in solution by thermal-induced cycloaddition reaction, and we have previously reported the crystal structures of some of these derivatives (Chantrapromma et al., 2012; Fun, Chanawanno & Chantrapromma, 2009; Fun, Surasit et al., 2009). The title compound (I) was obtained by the cycloaddition of trans-heterostilbene to give a syn head-to-tail product (Yayli et al., 2004; Zhang et al., 2013). We report herein the synthesis and crystal structure of (I).
The asymmetric unit of (I), C36H32N22+·2(C6H4ClO3S-), consists of one half of a cation and one anion. The cation lies on an inversion center and the other half is generated by the symmetry operator 2-x, 1-y, 2-z (Fig. 1). The napthalene (C7–C16) moiety is planar with a r.m.s. of 0.0183 (2) Å. The dihedral angle between the pyridinium ring (N1/C19–C23) and the napthalene ring system is 42.86 (6)°. The steroisomer of (I) is syn head-to-tail (Yayli et al., 2004). The cyclobutane ring makes dihedral angles of 85.61 (8) and 52.8 (6)° with the pyridinium and naphthalene rings, respectively. The bond lengths are in normal ranges (Allen et al., 1987) and comparable with those found in closely related structures (Chantrapromma et al., 2012; Fun, Surasit et al., 2009; Fun, Chanawanno & Chantrapromma (2009).
The crystal packing of (I) is shown in Fig. 2. The cations and anions are alternatively arranged and linked into chains along the [0 1 0] direction through C—H···O weak interactions (Table 1). Adjacent chains are arranged in a anti-parallel manner into sheets parallel to the (1 0 0) plane. π···π interactions are present with distances of Cg1···Cg2 = 3.8553 (8) Å and Cg1···Cg3 = 3.7664 (8) Å; Cg1, Cg2 and Cg3 are the centroids of the N1/C19–C23, C7–C10/C15/C16 and C10–C15 rings, respectively (Fig. 3). C—H···π weak interactions are also observed (Table 1).