organic compounds
4,5-Bis(1H-tetrazol-5-yl)-1H-imidazole monohydrate
aOrdered Matter Science Research Center, Southeast University, Nanjing 210096, People's Republic of China
*Correspondence e-mail: seuwangwei@gmail.com
The title compound, C5H4N10·H2O, is composed of three five-membered rings that are essentially coplanar, the dihedral angles between the imidazole ring and the tetrazole rings being 3.5 (2) and 3.0 (2)°. In the crystal, intermolecular O—H⋯N, N—H⋯O and N—H⋯N hydrogen bonds lead to the formation of a three-dimensional network. An intramolecular N—H⋯N hydrogen bond is also present.
Related literature
For the example of a zinc complex by reaction of the title compound as ligand, see: Zhao et al. (2004).
Experimental
Crystal data
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Refinement
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Data collection: CrystalClear (Rigaku, 2005); cell CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536809017899/im2114sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809017899/im2114Isup2.hkl
NaN3 (0.975 g,15 mmol) and NH4Cl (0.587 g, 11 mmol) were added to a solution of (4,5-Dicyano)-imidazole (1.18 g,10 mmol) in DMF (25 ml) under magnetic stirring in an oil bath. The resulting mixture was heated to 90°C for 8 h until the starting material was fully consumed as shown with the help of TLC detection. The mixture was allowed to cool to room temperature and acidified to pH = 2 with 1M aqueous HCl. The resulting precipitate was collected, washed with a small amount of water and dried at 60°C for 12 h. Colorless crystals of the title compound suitable for X-ray diffraction were obtained from an ethanolic solution after one week.
Positional parameters of all the H atoms bonded to C and N atoms were calculated geometrically with Uiso(H) = 1.2Ueq(C,N). The O—H hydrogen atoms of the water molecule were located in a difference Fourier map and refined freely with isotropic temperature factors.
Data collection: CrystalClear (Rigaku, 2005); cell
CrystalClear (Rigaku, 2005); data reduction: CrystalClear (Rigaku, 2005); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C5H4N10·H2O | F(000) = 456 |
Mr = 222.20 | Dx = 1.627 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 2076 reflections |
a = 15.607 (3) Å | θ = 2.0–27.5° |
b = 3.6706 (7) Å | µ = 0.13 mm−1 |
c = 18.127 (7) Å | T = 294 K |
β = 119.13 (2)° | Block, colorless |
V = 907.1 (5) Å3 | 0.08 × 0.08 × 0.03 mm |
Z = 4 |
Rigaku SCXmini diffractometer | 1785 independent reflections |
Radiation source: fine-focus sealed tube | 1362 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.061 |
Detector resolution: 13.6612 pixels mm-1 | θmax = 26.0°, θmin = 3.6° |
ω scans | h = −19→19 |
Absorption correction: multi-scan (CrystalClear; Rigaku, 2005) | k = −4→4 |
Tmin = 0.892, Tmax = 0.990 | l = −22→22 |
7767 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)] = 0.071 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.201 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | w = 1/[σ2(Fo2) + (0.0998P)2 + 1.6707P] where P = (Fo2 + 2Fc2)/3 |
1785 reflections | (Δ/σ)max < 0.001 |
153 parameters | Δρmax = 0.60 e Å−3 |
0 restraints | Δρmin = −0.56 e Å−3 |
C5H4N10·H2O | V = 907.1 (5) Å3 |
Mr = 222.20 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 15.607 (3) Å | µ = 0.13 mm−1 |
b = 3.6706 (7) Å | T = 294 K |
c = 18.127 (7) Å | 0.08 × 0.08 × 0.03 mm |
β = 119.13 (2)° |
Rigaku SCXmini diffractometer | 1785 independent reflections |
Absorption correction: multi-scan (CrystalClear; Rigaku, 2005) | 1362 reflections with I > 2σ(I) |
Tmin = 0.892, Tmax = 0.990 | Rint = 0.061 |
7767 measured reflections |
R[F2 > 2σ(F2)] = 0.071 | 0 restraints |
wR(F2) = 0.201 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | Δρmax = 0.60 e Å−3 |
1785 reflections | Δρmin = −0.56 e Å−3 |
153 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 | ||
O1W | 0.6668 (2) | 1.0057 (9) | 0.61964 (19) | 0.0429 (8) | |
N5 | 0.4974 (2) | 0.4374 (9) | 0.67749 (19) | 0.0313 (8) | |
N6 | 0.40302 (19) | 0.3471 (9) | 0.64859 (17) | 0.0260 (7) | |
H6A | 0.3794 | 0.2519 | 0.6783 | 0.031* | |
N9 | 0.2305 (2) | −0.0391 (9) | 0.73314 (18) | 0.0305 (7) | |
N10 | 0.2612 (2) | 0.0904 (9) | 0.68015 (18) | 0.0267 (7) | |
N1 | 0.0913 (2) | 0.2414 (9) | 0.45237 (17) | 0.0270 (7) | |
N7 | 0.1017 (2) | 0.0035 (9) | 0.61097 (18) | 0.0302 (8) | |
H7A | 0.0420 | −0.0063 | 0.5709 | 0.036* | |
N8 | 0.1358 (2) | −0.0896 (10) | 0.69193 (19) | 0.0337 (8) | |
N4 | 0.5023 (2) | 0.5693 (9) | 0.61343 (19) | 0.0294 (7) | |
N2 | 0.2075 (2) | 0.4482 (8) | 0.42653 (17) | 0.0263 (7) | |
H2A | 0.2371 | 0.5317 | 0.4006 | 0.032* | |
N3 | 0.4130 (2) | 0.5680 (8) | 0.54265 (17) | 0.0267 (7) | |
C1 | 0.1142 (3) | 0.3667 (11) | 0.3940 (2) | 0.0314 (9) | |
H1A | 0.0688 | 0.3924 | 0.3371 | 0.038* | |
C5 | 0.3516 (2) | 0.4283 (9) | 0.5666 (2) | 0.0201 (7) | |
C4 | 0.1794 (2) | 0.1138 (9) | 0.6055 (2) | 0.0212 (7) | |
C2 | 0.2476 (2) | 0.3706 (9) | 0.5112 (2) | 0.0209 (7) | |
C3 | 0.1767 (2) | 0.2407 (9) | 0.5288 (2) | 0.0211 (7) | |
H1W | 0.698 (3) | 1.123 (14) | 0.670 (2) | 0.067 (16)* | |
H2W | 0.635 (3) | 1.117 (14) | 0.568 (2) | 0.069 (17)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1W | 0.0462 (18) | 0.0463 (18) | 0.0335 (17) | −0.0038 (14) | 0.0172 (15) | 0.0008 (14) |
N5 | 0.0211 (15) | 0.044 (2) | 0.0262 (16) | −0.0073 (13) | 0.0094 (13) | −0.0022 (14) |
N6 | 0.0198 (14) | 0.0368 (17) | 0.0210 (14) | −0.0051 (13) | 0.0095 (12) | 0.0011 (12) |
N9 | 0.0284 (16) | 0.0370 (18) | 0.0242 (15) | −0.0031 (13) | 0.0114 (13) | 0.0054 (13) |
N10 | 0.0215 (14) | 0.0366 (17) | 0.0201 (14) | −0.0032 (13) | 0.0088 (12) | 0.0036 (13) |
N1 | 0.0198 (14) | 0.0370 (18) | 0.0192 (14) | −0.0032 (13) | 0.0055 (12) | 0.0010 (13) |
N7 | 0.0207 (15) | 0.0437 (19) | 0.0223 (15) | −0.0063 (13) | 0.0074 (12) | 0.0039 (13) |
N8 | 0.0302 (17) | 0.046 (2) | 0.0254 (16) | −0.0057 (15) | 0.0142 (14) | 0.0056 (14) |
N4 | 0.0236 (15) | 0.0361 (18) | 0.0273 (16) | −0.0066 (13) | 0.0114 (13) | −0.0014 (13) |
N2 | 0.0244 (15) | 0.0352 (17) | 0.0211 (15) | −0.0028 (13) | 0.0125 (13) | 0.0034 (13) |
N3 | 0.0209 (14) | 0.0338 (17) | 0.0238 (15) | −0.0041 (13) | 0.0097 (13) | 0.0004 (13) |
C1 | 0.0250 (18) | 0.045 (2) | 0.0185 (17) | −0.0020 (16) | 0.0058 (15) | 0.0032 (15) |
C5 | 0.0208 (16) | 0.0219 (16) | 0.0199 (16) | −0.0018 (13) | 0.0117 (14) | −0.0015 (13) |
C4 | 0.0199 (16) | 0.0236 (17) | 0.0192 (16) | −0.0014 (14) | 0.0087 (13) | 0.0008 (13) |
C2 | 0.0206 (16) | 0.0222 (17) | 0.0177 (16) | −0.0023 (13) | 0.0076 (13) | −0.0028 (13) |
C3 | 0.0168 (15) | 0.0263 (18) | 0.0193 (16) | 0.0016 (13) | 0.0081 (13) | 0.0003 (14) |
O1W—H1W | 0.91 (2) | N7—N8 | 1.339 (4) |
O1W—H2W | 0.91 (2) | N7—H7A | 0.8600 |
N5—N4 | 1.294 (4) | N4—N3 | 1.359 (4) |
N5—N6 | 1.343 (4) | N2—C1 | 1.313 (4) |
N6—C5 | 1.335 (4) | N2—C2 | 1.375 (4) |
N6—H6A | 0.8600 | N2—H2A | 0.8600 |
N9—N8 | 1.303 (4) | N3—C5 | 1.332 (4) |
N9—N10 | 1.352 (4) | C1—H1A | 0.9300 |
N10—C4 | 1.336 (4) | C5—C2 | 1.450 (4) |
N1—C1 | 1.351 (5) | C4—C3 | 1.446 (4) |
N1—C3 | 1.378 (4) | C2—C3 | 1.378 (5) |
N7—C4 | 1.327 (4) | ||
H1W—O1W—H2W | 125 (5) | C5—N3—N4 | 105.3 (3) |
N4—N5—N6 | 105.9 (3) | N2—C1—N1 | 112.6 (3) |
C5—N6—N5 | 109.3 (3) | N2—C1—H1A | 123.7 |
C5—N6—H6A | 125.4 | N1—C1—H1A | 123.7 |
N5—N6—H6A | 125.4 | N3—C5—N6 | 108.1 (3) |
N8—N9—N10 | 109.7 (3) | N3—C5—C2 | 124.8 (3) |
C4—N10—N9 | 104.4 (3) | N6—C5—C2 | 127.1 (3) |
C1—N1—C3 | 107.0 (3) | N7—C4—N10 | 111.2 (3) |
C4—N7—N8 | 105.6 (3) | N7—C4—C3 | 124.7 (3) |
C4—N7—H7A | 127.2 | N10—C4—C3 | 124.1 (3) |
N8—N7—H7A | 127.2 | N2—C2—C3 | 110.5 (3) |
N9—N8—N7 | 109.1 (3) | N2—C2—C5 | 119.4 (3) |
N5—N4—N3 | 111.4 (3) | C3—C2—C5 | 130.1 (3) |
C1—N2—C2 | 104.8 (3) | C2—C3—N1 | 105.0 (3) |
C1—N2—H2A | 127.6 | C2—C3—C4 | 133.1 (3) |
C2—N2—H2A | 127.6 | N1—C3—C4 | 121.9 (3) |
N4—N5—N6—C5 | −0.3 (4) | C1—N2—C2—C3 | 0.1 (4) |
N8—N9—N10—C4 | 0.1 (4) | C1—N2—C2—C5 | 179.6 (3) |
N10—N9—N8—N7 | 0.2 (4) | N3—C5—C2—N2 | 2.9 (5) |
C4—N7—N8—N9 | −0.4 (4) | N6—C5—C2—N2 | −175.6 (3) |
N6—N5—N4—N3 | 0.0 (4) | N3—C5—C2—C3 | −177.6 (4) |
N5—N4—N3—C5 | 0.3 (4) | N6—C5—C2—C3 | 3.8 (6) |
C2—N2—C1—N1 | 0.1 (4) | N2—C2—C3—N1 | −0.2 (4) |
C3—N1—C1—N2 | −0.2 (5) | C5—C2—C3—N1 | −179.6 (3) |
N4—N3—C5—N6 | −0.5 (4) | N2—C2—C3—C4 | 178.4 (3) |
N4—N3—C5—C2 | −179.2 (3) | C5—C2—C3—C4 | −1.1 (6) |
N5—N6—C5—N3 | 0.5 (4) | C1—N1—C3—C2 | 0.2 (4) |
N5—N6—C5—C2 | 179.2 (3) | C1—N1—C3—C4 | −178.6 (3) |
N8—N7—C4—N10 | 0.5 (4) | N7—C4—C3—C2 | 178.5 (4) |
N8—N7—C4—C3 | −179.9 (3) | N10—C4—C3—C2 | −1.9 (6) |
N9—N10—C4—N7 | −0.3 (4) | N7—C4—C3—N1 | −3.1 (5) |
N9—N10—C4—C3 | −179.9 (3) | N10—C4—C3—N1 | 176.4 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1W—H2W···N3i | 0.91 (2) | 2.12 (2) | 3.014 (4) | 169 (5) |
N2—H2A···O1Wi | 0.86 | 2.41 | 3.188 (4) | 151 |
O1W—H1W···N9ii | 0.91 (2) | 1.99 (2) | 2.884 (4) | 169 (5) |
N7—H7A···N1iii | 0.86 | 2.10 | 2.799 (4) | 139 |
N6—H6A···N10 | 0.86 | 1.95 | 2.711 (4) | 146 |
Symmetry codes: (i) −x+1, −y+2, −z+1; (ii) −x+1, y+3/2, −z+3/2; (iii) −x, −y, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C5H4N10·H2O |
Mr | 222.20 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 294 |
a, b, c (Å) | 15.607 (3), 3.6706 (7), 18.127 (7) |
β (°) | 119.13 (2) |
V (Å3) | 907.1 (5) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.13 |
Crystal size (mm) | 0.08 × 0.08 × 0.03 |
Data collection | |
Diffractometer | Rigaku SCXmini diffractometer |
Absorption correction | Multi-scan (CrystalClear; Rigaku, 2005) |
Tmin, Tmax | 0.892, 0.990 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7767, 1785, 1362 |
Rint | 0.061 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.071, 0.201, 1.06 |
No. of reflections | 1785 |
No. of parameters | 153 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.60, −0.56 |
Computer programs: CrystalClear (Rigaku, 2005), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O1W—H2W···N3i | 0.91 (2) | 2.12 (2) | 3.014 (4) | 169 (5) |
N2—H2A···O1Wi | 0.86 | 2.41 | 3.188 (4) | 151.0 |
O1W—H1W···N9ii | 0.91 (2) | 1.99 (2) | 2.884 (4) | 169 (5) |
N7—H7A···N1iii | 0.86 | 2.10 | 2.799 (4) | 138.5 |
N6—H6A···N10 | 0.86 | 1.95 | 2.711 (4) | 146.1 |
Symmetry codes: (i) −x+1, −y+2, −z+1; (ii) −x+1, y+3/2, −z+3/2; (iii) −x, −y, −z+1. |
Acknowledgements
The author is grateful to the Starter Fund of Southeast University for financial support to buy the CCD X-ray diffractometer.
References
Rigaku (2005). CrystalClear. Rigaku Corporation, Tokyo, Japan. Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Zhao, H., Ye, Q., Wu, Q., Song, Y.-M., Liu, Y.-J. & Xiong, R.-G. (2004). Z. Anorg. Allg. Chem. 630, 1367–1370. Web of Science CSD CrossRef CAS Google Scholar
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The crystal data show that in the title compound, C5H4N10 × H2O, the molecule is essentially planar with dihedral angles between imidazole and the tetrazole rings of 3.5 (2)° and 3.0 (2)°, respectively.
Intramolecular hydrogen bonds between the tetrazole rings determine the conformation of the molecule. It is also interesting to note that strong intermolecular have been found between the tetrazole and imidazole rings towards the solvent water molecules. This results in the formation of a three-dimensional network, as shown in Figure 2.