| Literature DB >> 24940280 |
S Karthikeyan1, K Sethusankar1, R Selvakumar2, M Bakthadoss2.
Abstract
In the title compound, C11H10O4, the methyl acrylate sub-stituent adopts an extended E conformation with all torsion angles close to 180°. The conformation of the keto group with respect to the olefinic double bond is typically S-trans. In the crystal, mol-ecules are linked via pairs of C-H⋯O hydrogen bonds, forming inversion dimers with an R 2 (2)(8) graph-set motif. The dimers are further linked via C-H⋯O hydrogen bonds, forming chains along [001], which enclose R 3 (2)(16) graph-set ring motifs. The keto group O atomaccepts two C-H⋯O interactions.Entities:
Year: 2014 PMID: 24940280 PMCID: PMC4051041 DOI: 10.1107/S1600536814010617
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C11H10O4 | |
| Monoclinic, | Mo |
| Hall symbol: -p 2ybc | Cell parameters from 2015 reflections |
| θ = 1.2–26.3° | |
| µ = 0.11 mm−1 | |
| β = 107.868 (3)° | Block, colorless |
| 0.20 × 0.15 × 0.10 mm | |
| Bruker SMART APEXII CCD diffractometer | 1523 reflections with |
| Radiation source: fine-focus sealed tube | |
| Graphite monochromator | θmax = 26.3°, θmin = 1.2° |
| ω scans | |
| 13052 measured reflections | |
| 2015 independent 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-atom parameters constrained | |
| 2015 reflections | (Δ/σ)max < 0.001 |
| 137 parameters | Δρmax = 0.23 e Å−3 |
| 0 restraints | Δρmin = −0.17 e Å−3 |
| 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 |
| C1 | 0.19462 (11) | 0.6483 (5) | 1.09554 (11) | 0.0570 (5) | |
| H1 | 0.2426 | 0.7588 | 1.1079 | 0.068* | |
| C2 | 0.16126 (8) | 0.4928 (4) | 1.00055 (10) | 0.0437 (4) | |
| C3 | 0.08802 (9) | 0.3378 (4) | 0.97865 (12) | 0.0518 (5) | |
| H3 | 0.0621 | 0.3250 | 1.0252 | 0.062* | |
| C4 | 0.05341 (10) | 0.2034 (5) | 0.88901 (13) | 0.0574 (5) | |
| H4 | 0.0040 | 0.1033 | 0.8746 | 0.069* | |
| C5 | 0.09250 (10) | 0.2182 (5) | 0.82056 (12) | 0.0545 (5) | |
| H5 | 0.0692 | 0.1265 | 0.7600 | 0.065* | |
| C6 | 0.16554 (9) | 0.3671 (4) | 0.84083 (11) | 0.0484 (4) | |
| H6 | 0.1918 | 0.3734 | 0.7946 | 0.058* | |
| C7 | 0.19943 (8) | 0.5068 (4) | 0.93033 (10) | 0.0425 (4) | |
| C8 | 0.30241 (9) | 0.7868 (4) | 0.88985 (11) | 0.0463 (4) | |
| H8 | 0.2706 | 0.8014 | 0.8260 | 0.056* | |
| C9 | 0.37579 (9) | 0.8937 (5) | 0.91462 (12) | 0.0542 (5) | |
| H9 | 0.4075 | 0.8649 | 0.9780 | 0.065* | |
| C10 | 0.40974 (9) | 1.0549 (5) | 0.84737 (12) | 0.0516 (4) | |
| C11 | 0.39059 (12) | 1.2299 (6) | 0.68764 (14) | 0.0655 (5) | |
| H11A | 0.4103 | 1.4452 | 0.7097 | 0.098* | |
| H11B | 0.3494 | 1.2484 | 0.6272 | 0.098* | |
| H11C | 0.4329 | 1.0976 | 0.6794 | 0.098* | |
| O1 | 0.35946 (7) | 1.0781 (3) | 0.75754 (8) | 0.0598 (4) | |
| O2 | 0.47632 (7) | 1.1596 (4) | 0.86851 (10) | 0.0723 (5) | |
| O3 | 0.27287 (6) | 0.6544 (3) | 0.95771 (7) | 0.0541 (4) | |
| O4 | 0.16367 (9) | 0.6413 (5) | 1.15808 (9) | 0.0821 (5) |
| C1 | 0.0536 (10) | 0.0738 (13) | 0.0448 (8) | 0.0075 (8) | 0.0171 (7) | 0.0039 (8) |
| C2 | 0.0403 (8) | 0.0498 (10) | 0.0419 (8) | 0.0095 (6) | 0.0142 (6) | 0.0084 (7) |
| C3 | 0.0432 (9) | 0.0604 (11) | 0.0562 (9) | 0.0071 (7) | 0.0220 (7) | 0.0119 (8) |
| C4 | 0.0442 (9) | 0.0590 (11) | 0.0665 (11) | −0.0046 (8) | 0.0134 (8) | 0.0077 (8) |
| C5 | 0.0531 (10) | 0.0542 (10) | 0.0504 (9) | 0.0009 (8) | 0.0074 (7) | 0.0007 (8) |
| C6 | 0.0485 (9) | 0.0547 (10) | 0.0443 (8) | 0.0048 (7) | 0.0175 (7) | 0.0049 (7) |
| C7 | 0.0357 (7) | 0.0485 (10) | 0.0429 (7) | 0.0054 (6) | 0.0115 (6) | 0.0082 (6) |
| C8 | 0.0411 (8) | 0.0565 (10) | 0.0435 (8) | 0.0025 (7) | 0.0162 (6) | 0.0013 (7) |
| C9 | 0.0425 (8) | 0.0710 (12) | 0.0490 (9) | −0.0019 (8) | 0.0137 (7) | −0.0027 (8) |
| C10 | 0.0383 (8) | 0.0609 (11) | 0.0580 (9) | −0.0018 (7) | 0.0184 (7) | −0.0063 (8) |
| C11 | 0.0639 (11) | 0.0721 (13) | 0.0669 (11) | −0.0039 (10) | 0.0297 (9) | 0.0095 (10) |
| O1 | 0.0487 (7) | 0.0767 (9) | 0.0553 (7) | −0.0123 (6) | 0.0181 (5) | 0.0033 (6) |
| O2 | 0.0431 (7) | 0.1021 (13) | 0.0731 (8) | −0.0180 (7) | 0.0197 (6) | −0.0050 (7) |
| O3 | 0.0403 (6) | 0.0800 (9) | 0.0427 (6) | −0.0071 (5) | 0.0139 (5) | 0.0042 (5) |
| O4 | 0.0787 (10) | 0.1250 (15) | 0.0509 (7) | −0.0008 (9) | 0.0322 (7) | −0.0084 (7) |
| C1—O4 | 1.200 (2) | C7—O3 | 1.3778 (18) |
| C1—C2 | 1.471 (2) | C8—C9 | 1.314 (2) |
| C1—H1 | 0.9300 | C8—O3 | 1.3640 (18) |
| C2—C3 | 1.390 (2) | C8—H8 | 0.9300 |
| C2—C7 | 1.3910 (19) | C9—C10 | 1.454 (2) |
| C3—C4 | 1.375 (3) | C9—H9 | 0.9300 |
| C3—H3 | 0.9300 | C10—O2 | 1.2035 (19) |
| C4—C5 | 1.380 (2) | C10—O1 | 1.342 (2) |
| C4—H4 | 0.9300 | C11—O1 | 1.438 (2) |
| C5—C6 | 1.378 (2) | C11—H11A | 0.9600 |
| C5—H5 | 0.9300 | C11—H11B | 0.9600 |
| C6—C7 | 1.380 (2) | C11—H11C | 0.9600 |
| C6—H6 | 0.9300 | ||
| O4—C1—C2 | 123.98 (17) | O3—C7—C2 | 115.83 (13) |
| O4—C1—H1 | 118.0 | C6—C7—C2 | 120.61 (14) |
| C2—C1—H1 | 118.0 | C9—C8—O3 | 120.00 (14) |
| C3—C2—C7 | 118.80 (14) | C9—C8—H8 | 120.0 |
| C3—C2—C1 | 119.24 (14) | O3—C8—H8 | 120.0 |
| C7—C2—C1 | 121.91 (15) | C8—C9—C10 | 122.98 (15) |
| C4—C3—C2 | 120.77 (15) | C8—C9—H9 | 118.5 |
| C4—C3—H3 | 119.6 | C10—C9—H9 | 118.5 |
| C2—C3—H3 | 119.6 | O2—C10—O1 | 122.10 (15) |
| C3—C4—C5 | 119.52 (16) | O2—C10—C9 | 124.32 (16) |
| C3—C4—H4 | 120.2 | O1—C10—C9 | 113.58 (14) |
| C5—C4—H4 | 120.2 | O1—C11—H11A | 109.5 |
| C6—C5—C4 | 120.83 (15) | O1—C11—H11B | 109.5 |
| C6—C5—H5 | 119.6 | H11A—C11—H11B | 109.5 |
| C4—C5—H5 | 119.6 | O1—C11—H11C | 109.5 |
| C5—C6—C7 | 119.46 (15) | H11A—C11—H11C | 109.5 |
| C5—C6—H6 | 120.3 | H11B—C11—H11C | 109.5 |
| C7—C6—H6 | 120.3 | C10—O1—C11 | 115.85 (13) |
| O3—C7—C6 | 123.51 (13) | C8—O3—C7 | 120.10 (12) |
| O4—C1—C2—C3 | 2.7 (3) | C3—C2—C7—C6 | −0.5 (2) |
| O4—C1—C2—C7 | −179.85 (17) | C1—C2—C7—C6 | −178.03 (15) |
| C7—C2—C3—C4 | −0.6 (2) | O3—C8—C9—C10 | −176.28 (16) |
| C1—C2—C3—C4 | 176.94 (17) | C8—C9—C10—O2 | 178.78 (19) |
| C2—C3—C4—C5 | 1.0 (3) | C8—C9—C10—O1 | −1.2 (3) |
| C3—C4—C5—C6 | −0.3 (3) | O2—C10—O1—C11 | 1.2 (3) |
| C4—C5—C6—C7 | −0.9 (3) | C9—C10—O1—C11 | −178.82 (16) |
| C5—C6—C7—O3 | 178.55 (15) | C9—C8—O3—C7 | −172.25 (16) |
| C5—C6—C7—C2 | 1.3 (2) | C6—C7—O3—C8 | 26.2 (2) |
| C3—C2—C7—O3 | −178.02 (14) | C2—C7—O3—C8 | −156.37 (14) |
| C1—C2—C7—O3 | 4.5 (2) |
| H··· | ||||
| C9—H9···O2i | 0.93 | 2.54 | 3.440 (2) | 164 |
| C8—H8···O4ii | 0.93 | 2.61 | 3.529 (2) | 171 |
| C11—H11 | 0.96 | 2.63 | 3.578 (2) | 168 |
Hydrogen-bond geometry (Å, °)
|
|
| H⋯ |
|
|
|---|---|---|---|---|
| C9—H9⋯O2i | 0.93 | 2.54 | 3.440 (2) | 164 |
| C8—H8⋯O4ii | 0.93 | 2.61 | 3.529 (2) | 171 |
| C11—H11 | 0.96 | 2.63 | 3.578 (2) | 168 |
Symmetry codes: (i) ; (ii) ; (iii) .