| Literature DB >> 21589178 |
Tara Shahani, Hoong-Kun Fun, R Venkat Ragavan, V Vijayakumar, S Sarveswari.
Abstract
In the title 1:1 adduct, C(6)H(12)N(2)O(2)·C(9)H(10)N(2)O(2), the maximum deviations from the 1H-pyrazole-5-ol and furan rings are 0.014 (1) and 0.003 (1) Å, respectively. The dihedral angle formed between the 1H-pyrazol-5-ol and 2,5-dimethyl-furan rings is 21.07 (5)°. In the crystal, pairs of inter-molecular O-H⋯N hydrogen bonds form inversion dimers of the 3-(2,5-dimethyl-furan-3-yl)-1H-pyrazol-5-ol species, generating R(2) (2)(8) ring motifs. Mol-ecules are further linked by inter-molecular N-H⋯O, N-H⋯N and C-H⋯O hydrogen bonds to form ribbons along the [010] direction containing bifurcated R(1) (2)(5) and R(2) (1)(7) ring motifs. Further stablization of the packing is provided by weak π-π [centroid-centroid distance = 3.5686 (15) Å] and C-H⋯π inter-actions.Entities:
Year: 2010 PMID: 21589178 PMCID: PMC3009126 DOI: 10.1107/S1600536810043886
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C6H12N2O2·C9H10N2O2 | |
| Triclinic, | |
| Hall symbol: -P 1 | Mo |
| Cell parameters from 7782 reflections | |
| θ = 2.6–31.7° | |
| µ = 0.09 mm−1 | |
| α = 107.293 (4)° | |
| β = 100.354 (5)° | Block, colourless |
| γ = 108.346 (3)° | 0.40 × 0.21 × 0.13 mm |
| Bruker APEXII DUO CCD diffractometer | 3264 independent reflections |
| Radiation source: fine-focus sealed tube | 2911 reflections with |
| graphite | |
| φ and ω scans | θmax = 26.0°, θmin = 1.9° |
| Absorption correction: multi-scan ( | |
| 13322 measured reflections |
| Refinement on | Primary atom site location: structure-invariant direct methods |
| Least-squares matrix: full | Secondary atom site location: difference Fourier map |
| Hydrogen site location: inferred from neighbouring sites | |
| H atoms treated by a mixture of independent and constrained refinement | |
| 3264 reflections | (Δ/σ)max < 0.001 |
| 225 parameters | Δρmax = 0.28 e Å−3 |
| 0 restraints | Δρmin = −0.22 e Å−3 |
| Experimental. The crystal was placed in the cold stream of an Oxford Cyrosystems 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 |
| O1 | 0.72298 (12) | 0.49965 (12) | −0.03577 (8) | 0.0272 (2) | |
| O2 | 1.41202 (12) | 1.13027 (10) | 0.43430 (9) | 0.0232 (2) | |
| N1 | 1.21447 (13) | 0.71967 (13) | 0.29969 (10) | 0.0197 (2) | |
| N2 | 1.34466 (13) | 0.85605 (12) | 0.38574 (9) | 0.0190 (2) | |
| C1 | 1.31074 (15) | 0.97528 (15) | 0.36573 (11) | 0.0185 (3) | |
| C2 | 1.16205 (16) | 0.91874 (15) | 0.26795 (12) | 0.0211 (3) | |
| H2A | 1.1136 | 0.9791 | 0.2366 | 0.025* | |
| C3 | 1.10286 (15) | 0.75316 (15) | 0.22806 (11) | 0.0185 (3) | |
| C4 | 0.95185 (16) | 0.62751 (15) | 0.13126 (11) | 0.0201 (3) | |
| C5 | 0.87164 (16) | 0.46384 (15) | 0.11997 (12) | 0.0222 (3) | |
| H5A | 0.9076 | 0.4169 | 0.1725 | 0.027* | |
| C6 | 0.73478 (17) | 0.39202 (16) | 0.01874 (12) | 0.0252 (3) | |
| C7 | 0.85745 (16) | 0.64286 (16) | 0.03429 (12) | 0.0240 (3) | |
| C8 | 0.8742 (2) | 0.77483 (18) | −0.01199 (14) | 0.0344 (3) | |
| H8A | 0.9922 | 0.8414 | 0.0089 | 0.052* | |
| H8B | 0.8166 | 0.8382 | 0.0257 | 0.052* | |
| H8C | 0.8246 | 0.7301 | −0.1005 | 0.052* | |
| C9 | 0.59939 (19) | 0.22804 (18) | −0.04258 (14) | 0.0342 (3) | |
| H9A | 0.6186 | 0.1632 | 0.0027 | 0.051* | |
| H9B | 0.6011 | 0.1810 | −0.1260 | 0.051* | |
| H9C | 0.4909 | 0.2338 | −0.0441 | 0.051* | |
| O3 | 0.08857 (11) | 0.22838 (11) | 0.42456 (9) | 0.0236 (2) | |
| O4 | 0.06433 (11) | 0.42612 (11) | 0.36063 (9) | 0.0244 (2) | |
| N3 | 0.29597 (14) | 0.35988 (13) | 0.36500 (10) | 0.0209 (2) | |
| N4 | 0.37772 (13) | 0.48909 (12) | 0.33504 (10) | 0.0201 (2) | |
| C10 | −0.21443 (18) | 0.07821 (18) | 0.31978 (15) | 0.0346 (3) | |
| H10A | −0.3233 | 0.0471 | 0.3338 | 0.052* | |
| H10B | −0.1904 | −0.0153 | 0.2871 | 0.052* | |
| H10C | −0.2154 | 0.1302 | 0.2615 | 0.052* | |
| C11 | −0.07996 (17) | 0.19197 (17) | 0.44018 (13) | 0.0267 (3) | |
| H11A | −0.0984 | 0.2905 | 0.4695 | 0.032* | |
| H11B | −0.0878 | 0.1443 | 0.5021 | 0.032* | |
| C12 | 0.14196 (16) | 0.34622 (14) | 0.38212 (11) | 0.0194 (3) | |
| C13 | 0.52197 (16) | 0.50193 (15) | 0.31731 (11) | 0.0212 (3) | |
| C14 | 0.60676 (18) | 0.38865 (18) | 0.32513 (14) | 0.0300 (3) | |
| H14A | 0.6155 | 0.3777 | 0.4039 | 0.045* | |
| H14B | 0.7183 | 0.4299 | 0.3169 | 0.045* | |
| H14C | 0.5408 | 0.2856 | 0.2596 | 0.045* | |
| C15 | 0.61073 (17) | 0.64131 (16) | 0.28562 (13) | 0.0249 (3) | |
| H15A | 0.5436 | 0.7044 | 0.2843 | 0.037* | |
| H15B | 0.6259 | 0.6025 | 0.2054 | 0.037* | |
| H15C | 0.7196 | 0.7063 | 0.3468 | 0.037* | |
| H1N1 | 1.211 (2) | 0.626 (2) | 0.3012 (15) | 0.033 (4)* | |
| H1N3 | 0.347 (2) | 0.304 (2) | 0.3897 (15) | 0.031 (4)* | |
| H1O2 | 1.496 (3) | 1.138 (2) | 0.500 (2) | 0.057 (6)* |
| O1 | 0.0228 (5) | 0.0284 (5) | 0.0227 (5) | 0.0062 (4) | 0.0009 (4) | 0.0068 (4) |
| O2 | 0.0222 (5) | 0.0154 (4) | 0.0274 (5) | 0.0068 (4) | −0.0018 (4) | 0.0078 (4) |
| N1 | 0.0200 (5) | 0.0146 (5) | 0.0221 (5) | 0.0065 (4) | 0.0026 (4) | 0.0061 (4) |
| N2 | 0.0178 (5) | 0.0157 (5) | 0.0215 (5) | 0.0065 (4) | 0.0028 (4) | 0.0061 (4) |
| C1 | 0.0190 (6) | 0.0173 (6) | 0.0212 (6) | 0.0085 (5) | 0.0067 (5) | 0.0080 (5) |
| C2 | 0.0209 (6) | 0.0212 (6) | 0.0231 (6) | 0.0115 (5) | 0.0041 (5) | 0.0090 (5) |
| C3 | 0.0174 (6) | 0.0216 (6) | 0.0187 (6) | 0.0095 (5) | 0.0070 (5) | 0.0079 (5) |
| C4 | 0.0190 (6) | 0.0218 (6) | 0.0194 (6) | 0.0090 (5) | 0.0073 (5) | 0.0059 (5) |
| C5 | 0.0215 (6) | 0.0224 (6) | 0.0217 (6) | 0.0084 (5) | 0.0074 (5) | 0.0069 (5) |
| C6 | 0.0233 (7) | 0.0258 (7) | 0.0243 (7) | 0.0080 (5) | 0.0089 (5) | 0.0073 (5) |
| C7 | 0.0211 (6) | 0.0246 (7) | 0.0221 (6) | 0.0075 (5) | 0.0043 (5) | 0.0060 (5) |
| C8 | 0.0364 (8) | 0.0329 (8) | 0.0294 (7) | 0.0115 (7) | −0.0003 (6) | 0.0139 (6) |
| C9 | 0.0279 (7) | 0.0295 (8) | 0.0323 (8) | 0.0019 (6) | 0.0049 (6) | 0.0067 (6) |
| O3 | 0.0212 (5) | 0.0240 (5) | 0.0319 (5) | 0.0101 (4) | 0.0109 (4) | 0.0159 (4) |
| O4 | 0.0234 (5) | 0.0235 (5) | 0.0314 (5) | 0.0129 (4) | 0.0088 (4) | 0.0133 (4) |
| N3 | 0.0214 (5) | 0.0195 (5) | 0.0282 (6) | 0.0108 (5) | 0.0090 (4) | 0.0139 (5) |
| N4 | 0.0217 (5) | 0.0185 (5) | 0.0218 (5) | 0.0084 (4) | 0.0064 (4) | 0.0093 (4) |
| C10 | 0.0259 (7) | 0.0307 (8) | 0.0430 (9) | 0.0076 (6) | 0.0118 (6) | 0.0112 (7) |
| C11 | 0.0232 (7) | 0.0288 (7) | 0.0340 (7) | 0.0104 (6) | 0.0152 (6) | 0.0156 (6) |
| C12 | 0.0218 (6) | 0.0168 (6) | 0.0187 (6) | 0.0079 (5) | 0.0045 (5) | 0.0063 (5) |
| C13 | 0.0221 (6) | 0.0226 (6) | 0.0196 (6) | 0.0100 (5) | 0.0061 (5) | 0.0079 (5) |
| C14 | 0.0310 (7) | 0.0334 (8) | 0.0411 (8) | 0.0207 (6) | 0.0195 (6) | 0.0215 (7) |
| C15 | 0.0234 (7) | 0.0261 (7) | 0.0293 (7) | 0.0108 (5) | 0.0100 (5) | 0.0138 (6) |
| O1—C7 | 1.3719 (16) | C9—H9C | 0.9600 |
| O1—C6 | 1.3792 (17) | O3—C12 | 1.3445 (15) |
| O2—C1 | 1.3468 (15) | O3—C11 | 1.4558 (15) |
| O2—H1O2 | 0.93 (2) | O4—C12 | 1.2124 (15) |
| N1—C3 | 1.3493 (16) | N3—C12 | 1.3625 (17) |
| N1—N2 | 1.3685 (14) | N3—N4 | 1.3905 (15) |
| N1—H1N1 | 0.883 (18) | N3—H1N3 | 0.872 (18) |
| N2—C1 | 1.3288 (16) | N4—C13 | 1.2834 (17) |
| C1—C2 | 1.3988 (18) | C10—C11 | 1.502 (2) |
| C2—C3 | 1.3844 (18) | C10—H10A | 0.9600 |
| C2—H2A | 0.9300 | C10—H10B | 0.9600 |
| C3—C4 | 1.4561 (18) | C10—H10C | 0.9600 |
| C4—C7 | 1.3597 (19) | C11—H11A | 0.9700 |
| C4—C5 | 1.4405 (18) | C11—H11B | 0.9700 |
| C5—C6 | 1.3448 (19) | C13—C14 | 1.4967 (19) |
| C5—H5A | 0.9300 | C13—C15 | 1.4967 (18) |
| C6—C9 | 1.4835 (19) | C14—H14A | 0.9600 |
| C7—C8 | 1.486 (2) | C14—H14B | 0.9600 |
| C8—H8A | 0.9600 | C14—H14C | 0.9600 |
| C8—H8B | 0.9600 | C15—H15A | 0.9600 |
| C8—H8C | 0.9600 | C15—H15B | 0.9600 |
| C9—H9A | 0.9600 | C15—H15C | 0.9600 |
| C9—H9B | 0.9600 | ||
| C7—O1—C6 | 107.17 (10) | H9A—C9—H9C | 109.5 |
| C1—O2—H1O2 | 110.5 (13) | H9B—C9—H9C | 109.5 |
| C3—N1—N2 | 111.95 (10) | C12—O3—C11 | 115.88 (10) |
| C3—N1—H1N1 | 129.8 (11) | C12—N3—N4 | 116.20 (11) |
| N2—N1—H1N1 | 118.1 (11) | C12—N3—H1N3 | 119.0 (11) |
| C1—N2—N1 | 104.49 (10) | N4—N3—H1N3 | 123.2 (11) |
| N2—C1—O2 | 121.83 (11) | C13—N4—N3 | 116.67 (11) |
| N2—C1—C2 | 111.95 (11) | C11—C10—H10A | 109.5 |
| O2—C1—C2 | 126.22 (11) | C11—C10—H10B | 109.5 |
| C3—C2—C1 | 104.84 (11) | H10A—C10—H10B | 109.5 |
| C3—C2—H2A | 127.6 | C11—C10—H10C | 109.5 |
| C1—C2—H2A | 127.6 | H10A—C10—H10C | 109.5 |
| N1—C3—C2 | 106.77 (11) | H10B—C10—H10C | 109.5 |
| N1—C3—C4 | 122.08 (11) | O3—C11—C10 | 110.77 (11) |
| C2—C3—C4 | 131.15 (12) | O3—C11—H11A | 109.5 |
| C7—C4—C5 | 106.49 (11) | C10—C11—H11A | 109.5 |
| C7—C4—C3 | 126.43 (12) | O3—C11—H11B | 109.5 |
| C5—C4—C3 | 127.08 (12) | C10—C11—H11B | 109.5 |
| C6—C5—C4 | 106.74 (12) | H11A—C11—H11B | 108.1 |
| C6—C5—H5A | 126.6 | O4—C12—O3 | 125.45 (12) |
| C4—C5—H5A | 126.6 | O4—C12—N3 | 125.31 (12) |
| C5—C6—O1 | 109.97 (12) | O3—C12—N3 | 109.22 (10) |
| C5—C6—C9 | 134.00 (13) | N4—C13—C14 | 125.22 (12) |
| O1—C6—C9 | 116.02 (12) | N4—C13—C15 | 116.82 (12) |
| C4—C7—O1 | 109.62 (12) | C14—C13—C15 | 117.96 (11) |
| C4—C7—C8 | 134.17 (13) | C13—C14—H14A | 109.5 |
| O1—C7—C8 | 116.15 (11) | C13—C14—H14B | 109.5 |
| C7—C8—H8A | 109.5 | H14A—C14—H14B | 109.5 |
| C7—C8—H8B | 109.5 | C13—C14—H14C | 109.5 |
| H8A—C8—H8B | 109.5 | H14A—C14—H14C | 109.5 |
| C7—C8—H8C | 109.5 | H14B—C14—H14C | 109.5 |
| H8A—C8—H8C | 109.5 | C13—C15—H15A | 109.5 |
| H8B—C8—H8C | 109.5 | C13—C15—H15B | 109.5 |
| C6—C9—H9A | 109.5 | H15A—C15—H15B | 109.5 |
| C6—C9—H9B | 109.5 | C13—C15—H15C | 109.5 |
| H9A—C9—H9B | 109.5 | H15A—C15—H15C | 109.5 |
| C6—C9—H9C | 109.5 | H15B—C15—H15C | 109.5 |
| C3—N1—N2—C1 | 0.09 (13) | C7—O1—C6—C5 | 0.06 (14) |
| N1—N2—C1—O2 | 179.58 (11) | C7—O1—C6—C9 | 179.60 (11) |
| N1—N2—C1—C2 | −0.44 (14) | C5—C4—C7—O1 | 0.55 (14) |
| N2—C1—C2—C3 | 0.62 (14) | C3—C4—C7—O1 | −178.68 (11) |
| O2—C1—C2—C3 | −179.40 (11) | C5—C4—C7—C8 | −176.26 (16) |
| N2—N1—C3—C2 | 0.30 (14) | C3—C4—C7—C8 | 4.5 (2) |
| N2—N1—C3—C4 | −178.86 (10) | C6—O1—C7—C4 | −0.39 (14) |
| C1—C2—C3—N1 | −0.53 (13) | C6—O1—C7—C8 | 177.06 (12) |
| C1—C2—C3—C4 | 178.51 (12) | C12—N3—N4—C13 | −179.21 (11) |
| N1—C3—C4—C7 | −161.23 (13) | C12—O3—C11—C10 | 84.10 (14) |
| C2—C3—C4—C7 | 19.8 (2) | C11—O3—C12—O4 | 2.70 (18) |
| N1—C3—C4—C5 | 19.70 (19) | C11—O3—C12—N3 | −176.27 (10) |
| C2—C3—C4—C5 | −159.23 (13) | N4—N3—C12—O4 | 8.26 (18) |
| C7—C4—C5—C6 | −0.50 (14) | N4—N3—C12—O3 | −172.77 (10) |
| C3—C4—C5—C6 | 178.72 (12) | N3—N4—C13—C14 | 0.65 (19) |
| C4—C5—C6—O1 | 0.27 (14) | N3—N4—C13—C15 | −179.72 (11) |
| C4—C5—C6—C9 | −179.15 (15) |
| H··· | ||||
| N1—H1N1···O4i | 0.883 (18) | 2.304 (19) | 3.0363 (19) | 140.1 (16) |
| N1—H1N1···N4i | 0.883 (18) | 2.288 (19) | 3.043 (2) | 143.1 (16) |
| N3—H1N3···O2ii | 0.872 (18) | 2.076 (19) | 2.9293 (19) | 166.7 (18) |
| O2—H1O2···N2iii | 0.93 (2) | 1.73 (2) | 2.6602 (17) | 176 (2) |
| C5—H5A···O4i | 0.93 | 2.35 | 3.212 (2) | 153 |
| C11—H11B···Cg2iv | 0.97 | 2.71 | 3.498 (20) | 138 |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| N1—H1 | 0.883 (18) | 2.304 (19) | 3.0363 (19) | 140.1 (16) |
| N1—H1 | 0.883 (18) | 2.288 (19) | 3.043 (2) | 143.1 (16) |
| N3—H1 | 0.872 (18) | 2.076 (19) | 2.9293 (19) | 166.7 (18) |
| O2—H1 | 0.93 (2) | 1.73 (2) | 2.6602 (17) | 176 (2) |
| C5—H5 | 0.93 | 2.35 | 3.212 (2) | 153 |
| C11—H11 | 0.97 | 2.71 | 3.50 (2) | 138 |
Symmetry codes: (i) ; (ii) ; (iii) ; (iv) . Cg2 is the centroid of the 1H-pyrazole ring (N1/N2/C1–C3).