organic compounds
5,5′-[(1,4-Phenylenedimethylene)bis(sulfanediyl)]bis(1-methyl-1H-1,2,3,4-tetrazole)
aDepartment of Chemistry and Chemical Engineering, Daqing Normal University, 163712 Daqing, Heilongjiang, People's Republic of China, and bDaQing Petrochemical Corporation, 163712 Daqing, Heilongjiang, People's Republic of China
*Correspondence e-mail: hdf00@yeah.net
The title molecule, C12H14N8S2, has since it is situated on a crystallographic centre of symmetry. The 1-methyl/5-thio groups are in an antiperiplanar conformation. The dihedral angle between the benzene and tetrazole rings is 84.33 (2)°. In the crystal, C—H⋯N hydrogen bonds link molecules into ladder-like chains running along the b axis. There are also C—H⋯π interactions present in the crystal structure.
Related literature
For the pharmaceutical properties of ligands derived from tetrazole, see: Armour et al. (1996); Segarra et al. (1998); Bronisz (2002); Semenov (2002); Upadhayaya et al. (2004); Wang et al. (2004); She et al. (2006); Wei et al. (2011). For the synthesis of the title compound, see: Wang et al. (2005). For graph-set motifs, see: Etter et al. (1990).
Experimental
Crystal data
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Refinement
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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.
Supporting information
10.1107/S1600536811043182/fb2238sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811043182/fb2238Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536811043182/fb2238Isup3.cml
The title compound was synthesized according to the method reported in the literature (Wang et al., 2005). Colourless block-shaped crystals with approx. size 0.2 × 0.1 × 0.1 mm were obtained by slow evaporation from ethanol solution of the title compound.
All the H atoms could be discerned in the difference
However, they have been situated into the idealized positions and refined within the riding atom approximation. The used constraints: Caryl—Haryl = 0.93; Cmethyl—Hmethyl = 0.96 Å; Cmethylene—Hmethylene = 0.97 Å. Uiso(Haryl/methylene)=1.2; Uiso(Hmethyl)=1.5Ueq(Cmethyl). The diffraction 2 0 0 has been excluded from the because most probably it had been eclipsed by the beam stop.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).C12H14N8S2 | F(000) = 696 |
Mr = 334.43 | Dx = 1.447 Mg m−3 |
Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -C 2yc | Cell parameters from 2201 reflections |
a = 18.464 (4) Å | θ = 3.0–26.9° |
b = 7.6392 (18) Å | µ = 0.36 mm−1 |
c = 13.625 (3) Å | T = 296 K |
β = 126.999 (4)° | Block, colorless |
V = 1534.8 (6) Å3 | 0.25 × 0.10 × 0.10 mm |
Z = 4 |
Bruker SMART APEXII diffractometer | 1758 independent reflections |
Radiation source: fine-focus sealed tube | 1412 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.024 |
ϕ and ω scans | θmax = 27.6°, θmin = 3.0° |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | h = −19→24 |
Tmin = 0.916, Tmax = 0.965 | k = −9→9 |
6541 measured reflections | l = −17→15 |
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: difference Fourier map |
wR(F2) = 0.116 | H-atom parameters constrained |
S = 1.07 | w = 1/[σ2(Fo2) + (0.0582P)2 + 0.9815P] where P = (Fo2 + 2Fc2)/3 |
1758 reflections | (Δ/σ)max < 0.001 |
101 parameters | Δρmax = 0.42 e Å−3 |
0 restraints | Δρmin = −0.26 e Å−3 |
27 constraints |
C12H14N8S2 | V = 1534.8 (6) Å3 |
Mr = 334.43 | Z = 4 |
Monoclinic, C2/c | Mo Kα radiation |
a = 18.464 (4) Å | µ = 0.36 mm−1 |
b = 7.6392 (18) Å | T = 296 K |
c = 13.625 (3) Å | 0.25 × 0.10 × 0.10 mm |
β = 126.999 (4)° |
Bruker SMART APEXII diffractometer | 1758 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 1412 reflections with I > 2σ(I) |
Tmin = 0.916, Tmax = 0.965 | Rint = 0.024 |
6541 measured reflections |
R[F2 > 2σ(F2)] = 0.040 | 0 restraints |
wR(F2) = 0.116 | H-atom parameters constrained |
S = 1.07 | Δρmax = 0.42 e Å−3 |
1758 reflections | Δρmin = −0.26 e Å−3 |
101 parameters |
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 | ||
S1 | 0.15096 (4) | 0.07607 (7) | 0.36393 (5) | 0.04497 (19) | |
N1 | 0.16911 (15) | 0.3872 (3) | 0.27877 (19) | 0.0558 (5) | |
N2 | 0.15595 (18) | 0.5580 (3) | 0.2902 (2) | 0.0697 (6) | |
N3 | 0.12550 (16) | 0.5769 (3) | 0.3536 (2) | 0.0652 (6) | |
N4 | 0.11760 (12) | 0.4145 (2) | 0.38467 (16) | 0.0452 (4) | |
C1 | −0.07348 (14) | −0.1014 (3) | −0.03169 (19) | 0.0413 (5) | |
H1 | −0.1225 | −0.1697 | −0.0523 | 0.050* | |
C2 | 0.00541 (14) | −0.1013 (3) | 0.08832 (19) | 0.0413 (4) | |
H2 | 0.0087 | −0.1696 | 0.1474 | 0.050* | |
C3 | 0.07963 (13) | 0.0003 (3) | 0.12106 (17) | 0.0384 (4) | |
C4 | 0.16597 (14) | −0.0016 (3) | 0.25088 (19) | 0.0444 (5) | |
H4A | 0.2107 | 0.0712 | 0.2549 | 0.053* | |
H4B | 0.1894 | −0.1202 | 0.2718 | 0.053* | |
C5 | 0.14563 (12) | 0.2996 (3) | 0.33927 (16) | 0.0390 (4) | |
C6 | 0.08800 (19) | 0.3838 (4) | 0.4606 (3) | 0.0640 (7) | |
H6A | 0.0387 | 0.3017 | 0.4203 | 0.096* | |
H6B | 0.0683 | 0.4921 | 0.4731 | 0.096* | |
H6C | 0.1375 | 0.3371 | 0.5385 | 0.096* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0542 (3) | 0.0439 (3) | 0.0376 (3) | −0.0049 (2) | 0.0280 (2) | −0.0001 (2) |
N1 | 0.0711 (13) | 0.0491 (11) | 0.0643 (12) | −0.0057 (9) | 0.0497 (11) | 0.0038 (9) |
N2 | 0.0895 (17) | 0.0488 (12) | 0.0893 (17) | −0.0011 (11) | 0.0636 (15) | 0.0105 (11) |
N3 | 0.0751 (14) | 0.0451 (12) | 0.0819 (16) | 0.0064 (10) | 0.0507 (14) | 0.0054 (10) |
N4 | 0.0409 (9) | 0.0459 (10) | 0.0497 (10) | 0.0017 (7) | 0.0278 (8) | 0.0002 (8) |
C1 | 0.0418 (10) | 0.0438 (11) | 0.0449 (11) | −0.0055 (8) | 0.0296 (9) | −0.0073 (8) |
C2 | 0.0474 (11) | 0.0421 (11) | 0.0411 (10) | −0.0026 (9) | 0.0303 (9) | −0.0021 (8) |
C3 | 0.0387 (10) | 0.0404 (10) | 0.0391 (10) | −0.0002 (8) | 0.0250 (8) | −0.0078 (8) |
C4 | 0.0408 (10) | 0.0467 (12) | 0.0445 (11) | 0.0022 (9) | 0.0250 (9) | −0.0040 (9) |
C5 | 0.0336 (9) | 0.0449 (11) | 0.0335 (9) | −0.0040 (8) | 0.0176 (8) | −0.0014 (8) |
C6 | 0.0681 (16) | 0.0732 (17) | 0.0717 (17) | −0.0009 (13) | 0.0532 (15) | −0.0078 (13) |
S1—C5 | 1.732 (2) | C1—H1 | 0.9300 |
S1—C4 | 1.821 (2) | C2—C3 | 1.394 (3) |
N1—C5 | 1.321 (3) | C2—H2 | 0.9300 |
N1—N2 | 1.353 (3) | C3—C1i | 1.388 (3) |
N2—N3 | 1.291 (3) | C3—C4 | 1.509 (3) |
N3—N4 | 1.347 (3) | C4—H4A | 0.9700 |
N4—C5 | 1.344 (3) | C4—H4B | 0.9700 |
N4—C6 | 1.450 (3) | C6—H6A | 0.9600 |
C1—C3i | 1.388 (3) | C6—H6B | 0.9600 |
C1—C2 | 1.389 (3) | C6—H6C | 0.9600 |
C5—S1—C4 | 100.20 (10) | C3—C4—S1 | 113.41 (14) |
C5—N1—N2 | 105.50 (19) | C3—C4—H4A | 108.9 |
N3—N2—N1 | 111.44 (19) | S1—C4—H4A | 108.9 |
N2—N3—N4 | 106.27 (19) | C3—C4—H4B | 108.9 |
C5—N4—N3 | 108.20 (18) | S1—C4—H4B | 108.9 |
C5—N4—C6 | 129.58 (19) | H4A—C4—H4B | 107.7 |
N3—N4—C6 | 122.13 (19) | N1—C5—N4 | 108.57 (19) |
C3i—C1—C2 | 120.44 (18) | N1—C5—S1 | 128.22 (17) |
C3i—C1—H1 | 119.8 | N4—C5—S1 | 123.19 (15) |
C2—C1—H1 | 119.8 | N4—C6—H6A | 109.5 |
C1—C2—C3 | 120.64 (18) | N4—C6—H6B | 109.5 |
C1—C2—H2 | 119.7 | H6A—C6—H6B | 109.5 |
C3—C2—H2 | 119.7 | N4—C6—H6C | 109.5 |
C1i—C3—C2 | 118.92 (18) | H6A—C6—H6C | 109.5 |
C1i—C3—C4 | 120.31 (18) | H6B—C6—H6C | 109.5 |
C2—C3—C4 | 120.77 (18) | ||
C5—N1—N2—N3 | −0.3 (3) | C5—S1—C4—C3 | −76.96 (17) |
N1—N2—N3—N4 | −0.4 (3) | N2—N1—C5—N4 | 0.9 (2) |
N2—N3—N4—C5 | 0.9 (3) | N2—N1—C5—S1 | −177.38 (17) |
N2—N3—N4—C6 | 177.8 (2) | N3—N4—C5—N1 | −1.2 (2) |
C3i—C1—C2—C3 | 0.0 (3) | C6—N4—C5—N1 | −177.7 (2) |
C1—C2—C3—C1i | 0.0 (3) | N3—N4—C5—S1 | 177.23 (15) |
C1—C2—C3—C4 | −178.97 (18) | C6—N4—C5—S1 | 0.6 (3) |
C1i—C3—C4—S1 | 119.20 (18) | C4—S1—C5—N1 | −15.1 (2) |
C2—C3—C4—S1 | −61.8 (2) | C4—S1—C5—N4 | 166.87 (16) |
Symmetry code: (i) −x, −y, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
C4—H4B···N2ii | 0.97 | 2.58 | 3.429 (3) | 145 |
C6—H6A···Cgbenzeneiii | 0.96 | 2.82 | 3.545 (4) | 133 |
Symmetry codes: (ii) x, y−1, z; (iii) −x, y, −z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C12H14N8S2 |
Mr | 334.43 |
Crystal system, space group | Monoclinic, C2/c |
Temperature (K) | 296 |
a, b, c (Å) | 18.464 (4), 7.6392 (18), 13.625 (3) |
β (°) | 126.999 (4) |
V (Å3) | 1534.8 (6) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.36 |
Crystal size (mm) | 0.25 × 0.10 × 0.10 |
Data collection | |
Diffractometer | Bruker SMART APEXII diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2005) |
Tmin, Tmax | 0.916, 0.965 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6541, 1758, 1412 |
Rint | 0.024 |
(sin θ/λ)max (Å−1) | 0.652 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.040, 0.116, 1.07 |
No. of reflections | 1758 |
No. of parameters | 101 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.42, −0.26 |
Computer programs: APEX2 (Bruker, 2005), SAINT (Bruker, 2005), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
C4—H4B···N2i | 0.97 | 2.58 | 3.429 (3) | 145 |
C6—H6A···Cgbenzeneii | 0.96 | 2.82 | 3.545 (4) | 133 |
Symmetry codes: (i) x, y−1, z; (ii) −x, y, −z+1/2. |
Acknowledgements
This work was supported by the National Natural Science Foundation of China (grant No. 21171030).
References
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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.
In recent years, tetrazole compounds and their derivatives have received much attention because of their diverse pharmaceutical properties (Armour et al., 1996; Segarra et al., 1998; Bronisz, 2002; Semenov, 2002; Upadhayaya et al., 2004; Wang et al., 2004; She et al., 2006; Wei et al., 2011).
In order to search for a new tetrazole compound with higher bioactivity, the title compound has been synthesized and its crystal structure determined.
The title molecule, C12H14N2S8, has the point symmetry 1 since it is situated on the crystallographic centre of symmetry. 1-methyl-5-thio- moieties are in the antiperiplanar conformation. The dihedral angle between the benzene and tetrazole ring is 84.39 (2) °. The molecules are situated on the crystallographic centres of symmetry and therefore their point symmetry is 1. In the crystal structure, the molecules are linked by C—H···N hydrogen bonds (Tab. 1; Fig. 2) forming a ladder-like chain composed of the graph set motifs R22(22) (Etter et al. (1990). The chains are directed along the b axis.
Moreover, there are also C—H···ring-πi-electron interactions in the structure: (C6—H6A···Cgbenzenei: 0.96, 2.82, 3.545 (4) Å, 133 °; the symmetry code i: -x, y, 1/2 - z and C6ii—H6Aii···Cgbenzeneii: 0.96, 2.82, 3.545 (4) Å, 133 °; the symmetry code ii: x, -y, 1/2 + z).