organic compounds
1-(3,5-Dichlorophenyl)-1H-1,2,3,4-tetrazole
aDepartment of Chemistry, Karnatak University's Karnatak Science College, Dharwad 580 001, Karnataka, India, bDepartment of Physics, Dr M.G.R. Educational and Research Institute, Dr M.G.R. University, Maduravoyal, Chennai 600 095, India, cX-ray Crystallography Laboratory, Post Graduate Department of Physics & Electronics, University of Jammu, Jammu Tawi 180 006, India, and dDepartment of Image Science and Engineering, Pukyong National University, Busan 608 739, Republic of Korea
*Correspondence e-mail: ytjeong@pknu.ac.kr
In the title compound, C7H4Cl2N4, the dihedral angle between the tetrazole and benzene rings is 17.2 (2)°. In the crystal, C—H⋯N interactions link the molecules into a flattened helical chain along the b axis.
Related literature
For related structures, see: Baek et al. (2012); Matsunaga et al. (1999); Lyakhov et al. (2000, 2001). For the synthesis, see: Su et al. (2006).
Experimental
Crystal data
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Refinement
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Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell CrysAlis PRO; data reduction: CrysAlis PRO; 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: SHELXL97.
Supporting information
10.1107/S1600536812001225/is5049sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812001225/is5049Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812001225/is5049Isup3.cml
The title compound was synthesized from the known procedure reported by Su et al. (2006). Fine white diffraction quality crystals were obtained from the slow evaporation of its solution in ethanol.
All H atoms were refined using a riding model, with C—H = 0.93 Å, and with Uiso(H) = 1.2Ueq(C).
Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell
CrysAlis PRO (Oxford Diffraction, 2010); data reduction: CrysAlis PRO (Oxford Diffraction, 2010); 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: SHELXL97 (Sheldrick, 2008).C7H4Cl2N4 | F(000) = 432 |
Mr = 215.04 | Dx = 1.654 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 7140 reflections |
a = 3.8362 (2) Å | θ = 4.0–29.0° |
b = 9.0524 (3) Å | µ = 0.70 mm−1 |
c = 24.8876 (11) Å | T = 293 K |
β = 91.956 (4)° | Block, white |
V = 863.76 (7) Å3 | 0.3 × 0.2 × 0.2 mm |
Z = 4 |
Oxford Diffraction Xcalibur Sapphire3 diffractometer | 1692 independent reflections |
Radiation source: fine-focus sealed tube | 1451 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.048 |
Detector resolution: 16.1049 pixels mm-1 | θmax = 26.0°, θmin = 4.0° |
ω scans | h = −4→4 |
Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2010) | k = −11→11 |
Tmin = 0.699, Tmax = 0.869 | l = −30→30 |
16772 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)] = 0.057 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.114 | H-atom parameters constrained |
S = 1.17 | w = 1/[σ2(Fo2) + (0.0229P)2 + 1.3257P] where P = (Fo2 + 2Fc2)/3 |
1692 reflections | (Δ/σ)max < 0.001 |
118 parameters | Δρmax = 0.31 e Å−3 |
0 restraints | Δρmin = −0.25 e Å−3 |
C7H4Cl2N4 | V = 863.76 (7) Å3 |
Mr = 215.04 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 3.8362 (2) Å | µ = 0.70 mm−1 |
b = 9.0524 (3) Å | T = 293 K |
c = 24.8876 (11) Å | 0.3 × 0.2 × 0.2 mm |
β = 91.956 (4)° |
Oxford Diffraction Xcalibur Sapphire3 diffractometer | 1692 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2010) | 1451 reflections with I > 2σ(I) |
Tmin = 0.699, Tmax = 0.869 | Rint = 0.048 |
16772 measured reflections |
R[F2 > 2σ(F2)] = 0.057 | 0 restraints |
wR(F2) = 0.114 | H-atom parameters constrained |
S = 1.17 | Δρmax = 0.31 e Å−3 |
1692 reflections | Δρmin = −0.25 e Å−3 |
118 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 | ||
C1 | 0.8151 (11) | 0.8952 (4) | 0.22313 (15) | 0.0569 (10) | |
H1 | 0.7634 | 0.8155 | 0.2450 | 0.068* | |
C2 | 0.5993 (8) | 0.7942 (3) | 0.13392 (12) | 0.0332 (7) | |
C3 | 0.4810 (8) | 0.8412 (4) | 0.08358 (13) | 0.0389 (7) | |
H3 | 0.4966 | 0.9397 | 0.0734 | 0.047* | |
C4 | 0.3391 (8) | 0.7360 (4) | 0.04919 (12) | 0.0410 (8) | |
C5 | 0.3089 (8) | 0.5895 (4) | 0.06386 (13) | 0.0405 (8) | |
H5 | 0.2125 | 0.5202 | 0.0401 | 0.049* | |
C6 | 0.4258 (8) | 0.5491 (3) | 0.11477 (13) | 0.0378 (7) | |
C7 | 0.5739 (8) | 0.6494 (3) | 0.15071 (12) | 0.0348 (7) | |
H7 | 0.6533 | 0.6204 | 0.1848 | 0.042* | |
N1 | 0.9600 (10) | 1.0175 (4) | 0.23973 (13) | 0.0619 (9) | |
N2 | 0.9905 (10) | 1.1003 (4) | 0.19516 (15) | 0.0682 (10) | |
N3 | 0.8690 (10) | 1.0311 (3) | 0.15319 (13) | 0.0655 (10) | |
N4 | 0.7517 (7) | 0.9004 (3) | 0.17044 (11) | 0.0379 (6) | |
Cl1 | 0.1904 (3) | 0.78829 (13) | −0.01453 (4) | 0.0645 (3) | |
Cl2 | 0.3786 (3) | 0.36798 (10) | 0.13489 (4) | 0.0639 (3) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.084 (3) | 0.043 (2) | 0.042 (2) | −0.014 (2) | −0.0130 (19) | 0.0013 (16) |
C2 | 0.0334 (16) | 0.0344 (16) | 0.0319 (16) | −0.0010 (13) | 0.0023 (12) | −0.0025 (13) |
C3 | 0.0421 (18) | 0.0371 (18) | 0.0375 (17) | −0.0027 (14) | −0.0005 (14) | 0.0056 (14) |
C4 | 0.0377 (17) | 0.054 (2) | 0.0309 (16) | −0.0017 (15) | −0.0021 (13) | 0.0045 (15) |
C5 | 0.0388 (18) | 0.0460 (19) | 0.0367 (17) | −0.0075 (15) | −0.0016 (14) | −0.0061 (15) |
C6 | 0.0403 (17) | 0.0319 (16) | 0.0414 (18) | −0.0016 (14) | 0.0022 (14) | −0.0008 (14) |
C7 | 0.0375 (17) | 0.0351 (17) | 0.0317 (16) | −0.0022 (13) | −0.0007 (13) | 0.0018 (13) |
N1 | 0.087 (3) | 0.0454 (18) | 0.052 (2) | −0.0120 (18) | −0.0179 (17) | −0.0070 (15) |
N2 | 0.096 (3) | 0.0420 (18) | 0.065 (2) | −0.0217 (18) | −0.015 (2) | −0.0050 (17) |
N3 | 0.103 (3) | 0.0397 (17) | 0.053 (2) | −0.0251 (18) | −0.0099 (19) | 0.0065 (15) |
N4 | 0.0451 (15) | 0.0307 (14) | 0.0375 (14) | −0.0040 (12) | −0.0038 (12) | −0.0002 (11) |
Cl1 | 0.0754 (7) | 0.0796 (7) | 0.0374 (5) | −0.0070 (6) | −0.0160 (4) | 0.0084 (5) |
Cl2 | 0.0968 (8) | 0.0353 (5) | 0.0589 (6) | −0.0147 (5) | −0.0059 (5) | 0.0006 (4) |
C1—N1 | 1.300 (5) | C4—Cl1 | 1.733 (3) |
C1—N4 | 1.326 (4) | C5—C6 | 1.379 (4) |
C1—H1 | 0.9300 | C5—H5 | 0.9300 |
C2—C7 | 1.381 (4) | C6—C7 | 1.383 (4) |
C2—C3 | 1.384 (4) | C6—Cl2 | 1.726 (3) |
C2—N4 | 1.434 (4) | C7—H7 | 0.9300 |
C3—C4 | 1.380 (4) | N1—N2 | 1.347 (5) |
C3—H3 | 0.9300 | N2—N3 | 1.291 (4) |
C4—C5 | 1.382 (5) | N3—N4 | 1.342 (4) |
N1—C1—N4 | 110.3 (3) | C4—C5—H5 | 121.0 |
N1—C1—H1 | 124.9 | C5—C6—C7 | 122.3 (3) |
N4—C1—H1 | 124.9 | C5—C6—Cl2 | 119.0 (2) |
C7—C2—C3 | 122.7 (3) | C7—C6—Cl2 | 118.7 (2) |
C7—C2—N4 | 118.4 (3) | C2—C7—C6 | 117.3 (3) |
C3—C2—N4 | 118.8 (3) | C2—C7—H7 | 121.3 |
C4—C3—C2 | 117.4 (3) | C6—C7—H7 | 121.3 |
C4—C3—H3 | 121.3 | C1—N1—N2 | 105.1 (3) |
C2—C3—H3 | 121.3 | N3—N2—N1 | 110.9 (3) |
C3—C4—C5 | 122.2 (3) | N2—N3—N4 | 106.5 (3) |
C3—C4—Cl1 | 119.3 (3) | C1—N4—N3 | 107.2 (3) |
C5—C4—Cl1 | 118.4 (3) | C1—N4—C2 | 131.3 (3) |
C6—C5—C4 | 118.0 (3) | N3—N4—C2 | 121.5 (3) |
C6—C5—H5 | 121.0 | ||
C7—C2—C3—C4 | −1.3 (5) | N4—C1—N1—N2 | −0.8 (5) |
N4—C2—C3—C4 | 179.3 (3) | C1—N1—N2—N3 | 0.0 (5) |
C2—C3—C4—C5 | 1.0 (5) | N1—N2—N3—N4 | 0.7 (5) |
C2—C3—C4—Cl1 | −179.5 (2) | N1—C1—N4—N3 | 1.2 (5) |
C3—C4—C5—C6 | 0.0 (5) | N1—C1—N4—C2 | 179.6 (3) |
Cl1—C4—C5—C6 | −179.6 (2) | N2—N3—N4—C1 | −1.2 (4) |
C4—C5—C6—C7 | −0.8 (5) | N2—N3—N4—C2 | −179.7 (3) |
C4—C5—C6—Cl2 | 178.0 (3) | C7—C2—N4—C1 | −16.1 (5) |
C3—C2—C7—C6 | 0.6 (5) | C3—C2—N4—C1 | 163.4 (4) |
N4—C2—C7—C6 | 180.0 (3) | C7—C2—N4—N3 | 162.1 (3) |
C5—C6—C7—C2 | 0.5 (5) | C3—C2—N4—N3 | −18.4 (5) |
Cl2—C6—C7—C2 | −178.3 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
C1—H1···N2i | 0.93 | 2.61 | 3.423 (5) | 147 |
C7—H7···N1i | 0.93 | 2.53 | 3.424 (5) | 161 |
Symmetry code: (i) −x+2, y−1/2, −z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C7H4Cl2N4 |
Mr | 215.04 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 293 |
a, b, c (Å) | 3.8362 (2), 9.0524 (3), 24.8876 (11) |
β (°) | 91.956 (4) |
V (Å3) | 863.76 (7) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.70 |
Crystal size (mm) | 0.3 × 0.2 × 0.2 |
Data collection | |
Diffractometer | Oxford Diffraction Xcalibur Sapphire3 diffractometer |
Absorption correction | Multi-scan (CrysAlis PRO; Oxford Diffraction, 2010) |
Tmin, Tmax | 0.699, 0.869 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 16772, 1692, 1451 |
Rint | 0.048 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.057, 0.114, 1.17 |
No. of reflections | 1692 |
No. of parameters | 118 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.31, −0.25 |
Computer programs: CrysAlis PRO (Oxford Diffraction, 2010), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
C1—H1···N2i | 0.93 | 2.609 | 3.423 (5) | 147 |
C7—H7···N1i | 0.93 | 2.531 | 3.424 (5) | 161 |
Symmetry code: (i) −x+2, y−1/2, −z+1/2. |
Acknowledgements
YTJ is grateful for the support provided by the second stage of BK21 Program. RK thanks the DST, New Delhi, India, for the X-ray data collection facility.
References
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In continuation of our work on tetrazole based heterocycles, we are here in reporting the crystal structure of the title compound.
Bond lengths and angles are comparable with the similar crystal structures (Baek et al., 2012; Lyakhov et al., 2000, 2001; Matsunaga et al., 1999). The tetrazole and phenyl rings are planar, with a maximum out-of-plane deviation of 0.007 (2) Å for each ring (r.m.s. deviation for each ring = 0.005 Å). The two rings are not coplanar with a dihedral angle being 17.2 (2)°. Chlorine atoms Cl1 and Cl2 deviate -0.002 (4) and 0.057 (5) Å, respectively, from the benzene plane. The crystal packing is stabilized by C—H···N intermolecular interactions, wherein atoms C1 and C7 act as a donor to N2 and N1, respectively, generating C(4) and C(6) chains along [010].