organic compounds
Ethyl 2-{3-[(2-chloro-1,3-thiazol-5-yl)methyl]-4-nitroimino-1,3,5-triazinan-1-yl}acetate
aCollege of Life and Environmental Science, Shanghai Normal University, Shanghai 200234, People's Republic of China
*Correspondence e-mail: willin112@163.com
In the title compound, C11H15ClN6O4S, which belongs to the neonicotinoid class of insecticidally active the six-membered triazine ring adopts an opened envolope conformation. The planar nitro imine group [dihedral angle between nitro and imine groups = 1.07 (7)°] and the thiazole ring are oriented at a dihedral angle of 69.62 (8)°. A classical intramolecular N—H⋯O hydrogen bond is found in the molecular structure. Moreover, one classical intermolecular N—H⋯N and four non-classical C—H⋯O and C—H⋯N hydrogen bonds are also present in the Besides intermolecular hydrogen bonds, the Cl atom forms an intermolecular short contact [3.020 (2) Å] with one of the nitro O atoms.
Related literature
For general background to neonicotinoid compounds and their application as insecticides, see: Kagabu (1996); Kagabu et al. (2005); Tian et al. (2007); Tomizawa et al. (2000); Tomizawa & Yamamoto (1993); Zhang et al. (2004). For halogen bonding, see: Riley & Merz (2007). For the synthesis of the title compound, see: Maienfisch et al. (2001).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2001); cell SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON.
Supporting information
https://doi.org/10.1107/S1600536810018878/rk2201sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810018878/rk2201Isup2.hkl
The title compound was prepared by the literature method (Maienfisch et al., (2001). It was purified by silica gel ═O) 1.29–1.26 (3H, t, J = 7.2 Hz, CH3); IR(potassium bromide, cm-1) 3288(N—H), 3000 (thiazole), 1730 (C═O) 1587 (C═N), 1398 (NO2), 1224 (C—O—C), 1105 (C—N), Anal. calcd for C11H15ClN6O4S: C 36.42, H 4.17, N 23.16; found C 36.40, H 4.23, N 23.19. ESI–MS m/z: 363.8.
using ethyl acetate and petroleum ether in the ratio of 1:1, as the flush to afford. This compound was obtained as white crystals, yield 46.7%, 1H NMR(CDCl3, 400 Hz): 9.51 (1H, s, NH), 7.44 (1H, s, thiazole—H), 4.61 (2H,s,CH2—thiazole), 4.48–4.49(4H, d, J = 5.2 Hz, triazine—4H), 4.21–4.15 (2H, m, OCH2), 3.32 (2H, s, CHCH atoms bonded to C atoms were positioned geometrically [C—H = 0.93Å (aromatic), 0.97Å (methylene) and 0.96Å (methyl)] and refined in riding modes with Uiso(H) = 1.2Ueq(C) for aromatic and methylene; Uiso(H) = 1.5U~eq~(C) for methyl. H atom bonded to N atom was found from Fourier difference maps and refined with the constraint Uiso(H) = 1.2Ueq(N), but coordinates refined freely.
Neonicotinoid compounds (Tomizawa & Yamamoto, 1993; Kagabu, 1996; Tomizawa et al., 2000) have received much attention on their applications as insecticide (Zhang et al., 2004; Kagabu et al., 2005; Tian et al., 2007). We report here the molecular and crystal structures of the title compound.
The molecular structure of title compound, C11H15ClN6O4S, is depicted on Fig.1. The triazine moiety exhibits an opened envolope conformation with N1 out of the envolope plan defined by C5, N3, C7, N2 and C6. The dihedral angle between the thiazole ring and triazine envolope plan is 75.63 (7)°. The planar nitroimine–group and the thiazole ring are oriented the dihedral angle of 69.62 (8)°. The large discrepancy between (O4—N5···N4 115.65 (17)°) and (O3—N5···N4 123.84 (16)°) bond angles attributes to the hydrogen bond effect on O4 and O3 - look the Table 1. Another interesting structure feature that should be mentioned is that the bond lengths (C7—N2 1.340 (2)Å) and (C7—N3 1.329 (2)Å) are between the standard (C—N 1.47Å) single bond and (C═N 1.26Å) double bond, clearly showing the conjugated effect of the nirtoimine. The C7—N4 bond length is as long as to 1.357 (2)Å, due to being linked with a strong electron–attracting nitro–group. Moreover, except intermolecular hydrogen bonding, the is further stabilized by the so–called halogen bonding (Riley & Merz, 2007), due to short intermolecular contact of Cl1—O4i with a distance of 3.020 (2)Å and an angle close to 180° (C11—Cl1···O4i 178.1 (1)°). Symmetry code: (i) 1-x,1-y,-z).
For general background to neonicotinoid compounds and their application as insecticides, see: Kagabu (1996); Kagabu et al. (2005); Tian et al. (2007); Tomizawa et al. (2000); Tomizawa & Yamamoto (1993); Zhang et al. (2004). For halogen bonding, see: Riley & Merz (2007). For the synthesis of the title compound, see: Maienfisch et al. (2001).
Data collection: SMART (Bruker, 2001); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON (Spek, 2009).Fig. 1. The molecular structure of title compound with the atom numbering scheme. Displacement ellipsoids are drawn at 50% probability level. H atoms are presented as a small spheres of arbitrary radius. The intramolecular H–bond is marked by dashed line. |
C11H15ClN6O4S | Z = 2 |
Mr = 362.81 | F(000) = 376 |
Triclinic, P1 | Dx = 1.505 Mg m−3 |
Hall symbol: -P 1 | Melting point: 449 K |
a = 8.5066 (6) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 9.1114 (7) Å | Cell parameters from 2512 reflections |
c = 10.9071 (8) Å | θ = 2.3–28.2° |
α = 100.488 (2)° | µ = 0.40 mm−1 |
β = 98.416 (3)° | T = 298 K |
γ = 101.281 (3)° | Block, colourless |
V = 800.55 (10) Å3 | 0.40 × 0.23 × 0.20 mm |
Bruker SMART APEX CCD area-detector diffractometer | 3259 independent reflections |
Radiation source: fine focus sealed Siemens Mo tube | 2670 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.075 |
Detector resolution: 1.57 × 0.49 mm pixels mm-1 | θmax = 26.5°, θmin = 1.9° |
0.3° wide ω scans | h = −10→9 |
Absorption correction: multi-scan (SADABS; Bruker, 2000) | k = −10→11 |
Tmin = 0.857, Tmax = 0.925 | l = −13→12 |
5350 measured reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.047 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.128 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | w = 1/[σ2(Fo2) + (0.0598P)2 + 0.0779P] where P = (Fo2 + 2Fc2)/3 |
3259 reflections | (Δ/σ)max < 0.001 |
212 parameters | Δρmax = 0.31 e Å−3 |
9 restraints | Δρmin = −0.26 e Å−3 |
C11H15ClN6O4S | γ = 101.281 (3)° |
Mr = 362.81 | V = 800.55 (10) Å3 |
Triclinic, P1 | Z = 2 |
a = 8.5066 (6) Å | Mo Kα radiation |
b = 9.1114 (7) Å | µ = 0.40 mm−1 |
c = 10.9071 (8) Å | T = 298 K |
α = 100.488 (2)° | 0.40 × 0.23 × 0.20 mm |
β = 98.416 (3)° |
Bruker SMART APEX CCD area-detector diffractometer | 3259 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2000) | 2670 reflections with I > 2σ(I) |
Tmin = 0.857, Tmax = 0.925 | Rint = 0.075 |
5350 measured reflections |
R[F2 > 2σ(F2)] = 0.047 | 9 restraints |
wR(F2) = 0.128 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.05 | Δρmax = 0.31 e Å−3 |
3259 reflections | Δρmin = −0.26 e Å−3 |
212 parameters |
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'s involving l.s. planes. |
x | y | z | Uiso*/Ueq | ||
C1 | −0.0095 (3) | 0.7149 (2) | 0.26414 (19) | 0.0444 (5) | |
H1A | 0.0880 | 0.7030 | 0.2309 | 0.053* | |
H1B | −0.0751 | 0.7574 | 0.2054 | 0.053* | |
C2 | −0.1049 (2) | 0.5590 (2) | 0.2702 (2) | 0.0454 (5) | |
C3 | −0.2096 (4) | 0.3054 (3) | 0.1509 (3) | 0.0701 (7) | |
H3C | −0.3189 | 0.3031 | 0.1674 | 0.084* | |
H3B | −0.1526 | 0.2605 | 0.2128 | 0.084* | |
C4 | −0.2173 (5) | 0.2185 (3) | 0.0216 (3) | 0.0943 (11) | |
H4A | −0.2647 | 0.2692 | −0.0391 | 0.141* | |
H4B | −0.2831 | 0.1169 | 0.0105 | 0.141* | |
H4C | −0.1091 | 0.2126 | 0.0092 | 0.141* | |
C5 | 0.1108 (3) | 0.9754 (2) | 0.3748 (2) | 0.0485 (5) | |
H5A | 0.1225 | 1.0469 | 0.4549 | 0.058* | |
H5B | 0.0397 | 1.0059 | 0.3108 | 0.058* | |
C6 | 0.1510 (2) | 0.7783 (2) | 0.47718 (18) | 0.0405 (4) | |
H6A | 0.1079 | 0.6734 | 0.4825 | 0.049* | |
H6B | 0.1619 | 0.8435 | 0.5603 | 0.049* | |
C7 | 0.3648 (2) | 0.88803 (19) | 0.36999 (17) | 0.0337 (4) | |
C8 | 0.4008 (2) | 0.6726 (2) | 0.46817 (19) | 0.0408 (4) | |
H8A | 0.3775 | 0.6440 | 0.5462 | 0.049* | |
H8B | 0.5174 | 0.7146 | 0.4805 | 0.049* | |
C9 | 0.3537 (2) | 0.5325 (2) | 0.36264 (18) | 0.0399 (4) | |
C10 | 0.2576 (3) | 0.3953 (2) | 0.3607 (2) | 0.0468 (5) | |
H10 | 0.2113 | 0.3768 | 0.4302 | 0.056* | |
C11 | 0.3072 (3) | 0.3403 (2) | 0.1709 (2) | 0.0527 (6) | |
Cl1 | 0.30601 (10) | 0.23735 (8) | 0.02224 (6) | 0.0779 (3) | |
N1 | 0.03775 (19) | 0.82249 (18) | 0.38653 (16) | 0.0408 (4) | |
N2 | 0.31341 (19) | 0.79068 (17) | 0.44198 (15) | 0.0367 (4) | |
N3 | 0.2716 (2) | 0.98200 (18) | 0.33909 (17) | 0.0393 (4) | |
H3A | 0.306 (3) | 1.039 (3) | 0.297 (2) | 0.047* | |
N4 | 0.50886 (19) | 0.87424 (18) | 0.33519 (16) | 0.0402 (4) | |
N5 | 0.5757 (2) | 0.97002 (19) | 0.26754 (16) | 0.0430 (4) | |
N6 | 0.2308 (2) | 0.28347 (19) | 0.25118 (19) | 0.0544 (5) | |
O1 | −0.1559 (2) | 0.52487 (19) | 0.36034 (15) | 0.0659 (5) | |
O2 | −0.1227 (2) | 0.46316 (17) | 0.16030 (15) | 0.0614 (4) | |
O3 | 0.5158 (2) | 1.0752 (2) | 0.23700 (19) | 0.0671 (5) | |
O4 | 0.70673 (19) | 0.95104 (19) | 0.23875 (17) | 0.0607 (4) | |
S1 | 0.41711 (8) | 0.52681 (6) | 0.21876 (5) | 0.0532 (2) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0449 (11) | 0.0457 (11) | 0.0389 (10) | 0.0019 (9) | 0.0037 (9) | 0.0122 (9) |
C2 | 0.0434 (11) | 0.0495 (12) | 0.0386 (11) | 0.0005 (9) | 0.0066 (9) | 0.0095 (9) |
C3 | 0.0903 (19) | 0.0483 (12) | 0.0592 (14) | −0.0107 (12) | 0.0183 (13) | 0.0055 (11) |
C4 | 0.144 (3) | 0.0561 (15) | 0.0660 (17) | −0.0045 (17) | 0.0236 (19) | −0.0031 (12) |
C5 | 0.0451 (11) | 0.0377 (10) | 0.0671 (14) | 0.0144 (8) | 0.0191 (10) | 0.0106 (10) |
C6 | 0.0430 (10) | 0.0429 (10) | 0.0331 (10) | 0.0067 (8) | 0.0087 (8) | 0.0037 (8) |
C7 | 0.0379 (9) | 0.0256 (8) | 0.0336 (9) | 0.0057 (7) | 0.0040 (7) | −0.0001 (7) |
C8 | 0.0473 (11) | 0.0370 (10) | 0.0389 (10) | 0.0130 (8) | 0.0030 (8) | 0.0106 (8) |
C9 | 0.0479 (11) | 0.0363 (10) | 0.0398 (10) | 0.0176 (8) | 0.0065 (8) | 0.0118 (8) |
C10 | 0.0590 (13) | 0.0391 (11) | 0.0460 (12) | 0.0163 (9) | 0.0105 (10) | 0.0122 (9) |
C11 | 0.0731 (15) | 0.0436 (11) | 0.0427 (11) | 0.0274 (10) | 0.0013 (11) | 0.0048 (10) |
Cl1 | 0.1162 (6) | 0.0694 (4) | 0.0455 (3) | 0.0420 (4) | 0.0031 (3) | −0.0065 (3) |
N1 | 0.0398 (9) | 0.0382 (8) | 0.0447 (9) | 0.0101 (7) | 0.0090 (7) | 0.0074 (7) |
N2 | 0.0405 (8) | 0.0318 (8) | 0.0385 (8) | 0.0098 (6) | 0.0071 (7) | 0.0080 (7) |
N3 | 0.0416 (9) | 0.0306 (8) | 0.0499 (10) | 0.0112 (6) | 0.0133 (7) | 0.0124 (7) |
N4 | 0.0375 (8) | 0.0364 (8) | 0.0468 (9) | 0.0082 (6) | 0.0106 (7) | 0.0075 (7) |
N5 | 0.0401 (9) | 0.0421 (9) | 0.0407 (9) | 0.0023 (7) | 0.0079 (7) | 0.0009 (7) |
N6 | 0.0704 (12) | 0.0356 (9) | 0.0545 (11) | 0.0156 (8) | 0.0039 (10) | 0.0053 (8) |
O1 | 0.0766 (11) | 0.0650 (10) | 0.0453 (9) | −0.0146 (8) | 0.0207 (8) | 0.0100 (8) |
O2 | 0.0806 (11) | 0.0484 (9) | 0.0455 (9) | −0.0096 (8) | 0.0202 (8) | 0.0055 (7) |
O3 | 0.0612 (10) | 0.0647 (11) | 0.0929 (14) | 0.0183 (8) | 0.0302 (9) | 0.0448 (10) |
O4 | 0.0468 (9) | 0.0706 (11) | 0.0654 (10) | 0.0116 (7) | 0.0249 (8) | 0.0070 (8) |
S1 | 0.0731 (4) | 0.0452 (3) | 0.0456 (3) | 0.0181 (3) | 0.0187 (3) | 0.0098 (2) |
C1—N1 | 1.455 (3) | C6—H6B | 0.9700 |
C1—C2 | 1.510 (3) | C7—N3 | 1.329 (2) |
C1—H1A | 0.9700 | C7—N2 | 1.340 (2) |
C1—H1B | 0.9700 | C7—N4 | 1.357 (2) |
C2—O1 | 1.198 (2) | C8—N2 | 1.468 (2) |
C2—O2 | 1.318 (3) | C8—C9 | 1.498 (3) |
C3—O2 | 1.460 (3) | C8—H8A | 0.9700 |
C3—C4 | 1.472 (4) | C8—H8B | 0.9700 |
C3—H3C | 0.9700 | C9—C10 | 1.348 (3) |
C3—H3B | 0.9700 | C9—S1 | 1.728 (2) |
C4—H4A | 0.9600 | C10—N6 | 1.380 (3) |
C4—H4B | 0.9600 | C10—H10 | 0.9300 |
C4—H4C | 0.9600 | C11—N6 | 1.287 (3) |
C5—N1 | 1.447 (2) | C11—S1 | 1.717 (2) |
C5—N3 | 1.469 (3) | C11—Cl1 | 1.717 (2) |
C5—H5A | 0.9700 | N3—H3A | 0.79 (2) |
C5—H5B | 0.9700 | N4—N5 | 1.339 (2) |
C6—N1 | 1.444 (3) | N5—O4 | 1.237 (2) |
C6—N2 | 1.476 (2) | N5—O3 | 1.243 (2) |
C6—H6A | 0.9700 | ||
N1—C1—C2 | 113.48 (16) | N3—C7—N4 | 127.89 (17) |
N1—C1—H1A | 108.9 | N2—C7—N4 | 113.62 (16) |
C2—C1—H1A | 108.9 | N2—C8—C9 | 112.19 (16) |
N1—C1—H1B | 108.9 | N2—C8—H8A | 109.2 |
C2—C1—H1B | 108.9 | C9—C8—H8A | 109.2 |
H1A—C1—H1B | 107.7 | N2—C8—H8B | 109.2 |
O1—C2—O2 | 124.32 (19) | C9—C8—H8B | 109.2 |
O1—C2—C1 | 126.2 (2) | H8A—C8—H8B | 107.9 |
O2—C2—C1 | 109.47 (17) | C10—C9—C8 | 127.86 (19) |
O2—C3—C4 | 108.0 (2) | C10—C9—S1 | 109.13 (15) |
O2—C3—H3C | 110.1 | C8—C9—S1 | 123.00 (14) |
C4—C3—H3C | 110.1 | C9—C10—N6 | 117.05 (19) |
O2—C3—H3B | 110.1 | C9—C10—H10 | 121.5 |
C4—C3—H3B | 110.1 | N6—C10—H10 | 121.5 |
H3C—C3—H3B | 108.4 | N6—C11—S1 | 117.24 (17) |
C3—C4—H4A | 109.5 | N6—C11—Cl1 | 123.01 (18) |
C3—C4—H4B | 109.5 | S1—C11—Cl1 | 119.74 (15) |
H4A—C4—H4B | 109.5 | C6—N1—C5 | 107.68 (16) |
C3—C4—H4C | 109.5 | C6—N1—C1 | 113.41 (16) |
H4A—C4—H4C | 109.5 | C5—N1—C1 | 111.93 (16) |
H4B—C4—H4C | 109.5 | C7—N2—C8 | 121.33 (16) |
N1—C5—N3 | 111.07 (15) | C7—N2—C6 | 120.93 (15) |
N1—C5—H5A | 109.4 | C8—N2—C6 | 116.72 (15) |
N3—C5—H5A | 109.4 | C7—N3—C5 | 122.00 (17) |
N1—C5—H5B | 109.4 | C7—N3—H3A | 115.8 (16) |
N3—C5—H5B | 109.4 | C5—N3—H3A | 122.2 (16) |
H5A—C5—H5B | 108.0 | N5—N4—C7 | 118.95 (16) |
N1—C6—N2 | 112.02 (15) | O4—N5—O3 | 120.48 (17) |
N1—C6—H6A | 109.2 | O4—N5—N4 | 115.65 (17) |
N2—C6—H6A | 109.2 | O3—N5—N4 | 123.84 (16) |
N1—C6—H6B | 109.2 | C11—N6—C10 | 108.32 (18) |
N2—C6—H6B | 109.2 | C2—O2—C3 | 116.56 (17) |
H6A—C6—H6B | 107.9 | C11—S1—C9 | 88.24 (10) |
N3—C7—N2 | 118.48 (17) | ||
N1—C1—C2—O1 | 7.9 (3) | N1—C6—N2—C8 | −143.03 (17) |
N1—C1—C2—O2 | −171.21 (18) | N2—C7—N3—C5 | −3.8 (3) |
N2—C8—C9—C10 | −105.2 (2) | N4—C7—N3—C5 | 174.62 (18) |
N2—C8—C9—S1 | 73.8 (2) | N1—C5—N3—C7 | −28.0 (3) |
C8—C9—C10—N6 | 179.47 (18) | N3—C7—N4—N5 | 4.3 (3) |
S1—C9—C10—N6 | 0.3 (2) | N2—C7—N4—N5 | −177.22 (16) |
N2—C6—N1—C5 | −55.1 (2) | C7—N4—N5—O4 | −179.85 (17) |
N2—C6—N1—C1 | 69.28 (19) | C7—N4—N5—O3 | 2.1 (3) |
N3—C5—N1—C6 | 56.0 (2) | S1—C11—N6—C10 | 0.8 (2) |
N3—C5—N1—C1 | −69.3 (2) | Cl1—C11—N6—C10 | 179.62 (16) |
C2—C1—N1—C6 | 65.1 (2) | C9—C10—N6—C11 | −0.7 (3) |
C2—C1—N1—C5 | −172.82 (16) | O1—C2—O2—C3 | −0.5 (4) |
N3—C7—N2—C8 | 173.29 (16) | C1—C2—O2—C3 | 178.7 (2) |
N4—C7—N2—C8 | −5.4 (2) | C4—C3—O2—C2 | 179.5 (2) |
N3—C7—N2—C6 | 5.2 (3) | N6—C11—S1—C9 | −0.57 (19) |
N4—C7—N2—C6 | −173.49 (16) | Cl1—C11—S1—C9 | −179.41 (14) |
C9—C8—N2—C7 | −82.8 (2) | C10—C9—S1—C11 | 0.11 (16) |
C9—C8—N2—C6 | 85.8 (2) | C8—C9—S1—C11 | −179.09 (17) |
N1—C6—N2—C7 | 25.6 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
N3—H3A···N6i | 0.79 (2) | 2.55 (2) | 3.133 (2) | 132 (2) |
N3—H3A···O3 | 0.79 (2) | 1.98 (2) | 2.570 (2) | 131 (2) |
C3—H3C···O3ii | 0.97 | 2.57 | 3.191 (3) | 122 |
C5—H5A···N1iii | 0.97 | 2.61 | 3.449 (3) | 144 |
C6—H6B···O4iv | 0.97 | 2.56 | 3.478 (3) | 159 |
C10—H10···O1v | 0.93 | 2.45 | 3.278 (3) | 149 |
Symmetry codes: (i) x, y+1, z; (ii) x−1, y−1, z; (iii) −x, −y+2, −z+1; (iv) −x+1, −y+2, −z+1; (v) −x, −y+1, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C11H15ClN6O4S |
Mr | 362.81 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 298 |
a, b, c (Å) | 8.5066 (6), 9.1114 (7), 10.9071 (8) |
α, β, γ (°) | 100.488 (2), 98.416 (3), 101.281 (3) |
V (Å3) | 800.55 (10) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.40 |
Crystal size (mm) | 0.40 × 0.23 × 0.20 |
Data collection | |
Diffractometer | Bruker SMART APEX CCD area-detector |
Absorption correction | Multi-scan (SADABS; Bruker, 2000) |
Tmin, Tmax | 0.857, 0.925 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 5350, 3259, 2670 |
Rint | 0.075 |
(sin θ/λ)max (Å−1) | 0.628 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.047, 0.128, 1.05 |
No. of reflections | 3259 |
No. of parameters | 212 |
No. of restraints | 9 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.31, −0.26 |
Computer programs: SMART (Bruker, 2001), SAINT (Bruker, 2001), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
N3—H3A···N6i | 0.79 (2) | 2.55 (2) | 3.133 (2) | 132 (2) |
N3—H3A···O3 | 0.79 (2) | 1.98 (2) | 2.570 (2) | 131 (2) |
C3—H3C···O3ii | 0.97 | 2.57 | 3.191 (3) | 121.9 |
C5—H5A···N1iii | 0.97 | 2.61 | 3.449 (3) | 144.2 |
C6—H6B···O4iv | 0.97 | 2.56 | 3.478 (3) | 159.0 |
C10—H10···O1v | 0.93 | 2.45 | 3.278 (3) | 149.0 |
Symmetry codes: (i) x, y+1, z; (ii) x−1, y−1, z; (iii) −x, −y+2, −z+1; (iv) −x+1, −y+2, −z+1; (v) −x, −y+1, −z+1. |
Acknowledgements
This work was supported by the Innovation Program of Shanghai Municipal Education Commission (Ssd08013 and 09YZ157) and the Leading Academic Discipline Project of Shanghai Normal University (DZL808). We are also grateful for the support from the Key Scientific and Technological Project of Shanghai Science and Technology Commission (0939191200).
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.
Neonicotinoid compounds (Tomizawa & Yamamoto, 1993; Kagabu, 1996; Tomizawa et al., 2000) have received much attention on their applications as insecticide (Zhang et al., 2004; Kagabu et al., 2005; Tian et al., 2007). We report here the molecular and crystal structures of the title compound.
The molecular structure of title compound, C11H15ClN6O4S, is depicted on Fig.1. The triazine moiety exhibits an opened envolope conformation with N1 out of the envolope plan defined by C5, N3, C7, N2 and C6. The dihedral angle between the thiazole ring and triazine envolope plan is 75.63 (7)°. The planar nitroimine–group and the thiazole ring are oriented the dihedral angle of 69.62 (8)°. The large discrepancy between (O4—N5···N4 115.65 (17)°) and (O3—N5···N4 123.84 (16)°) bond angles attributes to the hydrogen bond effect on O4 and O3 - look the Table 1. Another interesting structure feature that should be mentioned is that the bond lengths (C7—N2 1.340 (2)Å) and (C7—N3 1.329 (2)Å) are between the standard (C—N 1.47Å) single bond and (C═N 1.26Å) double bond, clearly showing the conjugated effect of the nirtoimine. The C7—N4 bond length is as long as to 1.357 (2)Å, due to being linked with a strong electron–attracting nitro–group. Moreover, except intermolecular hydrogen bonding, the crystal structure is further stabilized by the so–called halogen bonding (Riley & Merz, 2007), due to short intermolecular contact of Cl1—O4i with a distance of 3.020 (2)Å and an angle close to 180° (C11—Cl1···O4i 178.1 (1)°). Symmetry code: (i) 1-x,1-y,-z).