| Literature DB >> 22412610 |
Arun M Isloor, U Sankappa Rai, Prakash Shetty, Thomas Gerber, Eric Hosten, Richard Betz.
Abstract
In the title methyl-benzoate compound, C(16)H(16)O(3), the mol-ecule is essentially planar (r.m.s. of all fitted non-H atoms = 0.0370 Å); the dihedral angle between the phenyl rings is 2.30 (7)°. Apart from a C-H⋯π inter-action, no marked inter-molecular contacts are obvious.Entities:
Year: 2012 PMID: 22412610 PMCID: PMC3295499 DOI: 10.1107/S1600536812005995
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C16H16O3 | |
| Monoclinic, | Melting point = 412–414 K |
| Hall symbol: -C 2yc | Mo |
| Cell parameters from 4067 reflections | |
| θ = 2.8–28.1° | |
| µ = 0.09 mm−1 | |
| β = 111.716 (2)° | |
| Platelet, colourless | |
| 0.51 × 0.12 × 0.05 mm |
| Bruker APEXII CCD diffractometer | 3320 independent reflections |
| Radiation source: fine-focus sealed tube | 2295 reflections with |
| Graphite monochromator | |
| φ and ω scans | θmax = 28.3°, θmin = 2.8° |
| Absorption correction: multi-scan ( | |
| 12273 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-atom parameters constrained | |
| 3320 reflections | (Δ/σ)max < 0.001 |
| 174 parameters | Δρmax = 0.21 e Å−3 |
| 0 restraints | Δρmin = −0.19 e Å−3 |
| O1 | 0.10397 (3) | 0.81204 (14) | 0.13302 (7) | 0.0379 (2) | |
| O2 | 0.18815 (3) | 0.10731 (15) | 0.06203 (7) | 0.0413 (3) | |
| O3 | 0.20550 (3) | 0.42927 (15) | 0.11449 (9) | 0.0479 (3) | |
| C1 | 0.04466 (5) | 1.1075 (2) | 0.14318 (12) | 0.0452 (4) | |
| H1A | 0.0273 | 1.1996 | 0.1703 | 0.068* | |
| H1B | 0.0330 | 0.9679 | 0.1401 | 0.068* | |
| H1C | 0.0416 | 1.1517 | 0.0734 | 0.068* | |
| C2 | 0.13423 (4) | 0.6661 (2) | 0.11746 (10) | 0.0317 (3) | |
| H2A | 0.1505 | 0.5918 | 0.1830 | 0.038* | |
| H2B | 0.1570 | 0.7366 | 0.0962 | 0.038* | |
| C3 | 0.17758 (4) | 0.3033 (2) | 0.06884 (9) | 0.0305 (3) | |
| C4 | 0.23538 (5) | 0.0547 (3) | 0.11380 (13) | 0.0519 (4) | |
| H4A | 0.2394 | −0.0923 | 0.1064 | 0.078* | |
| H4B | 0.2451 | 0.0893 | 0.1876 | 0.078* | |
| H4C | 0.2537 | 0.1312 | 0.0826 | 0.078* | |
| C11 | 0.12341 (4) | 0.96097 (19) | 0.20588 (10) | 0.0311 (3) | |
| C12 | 0.09376 (5) | 1.1127 (2) | 0.21316 (10) | 0.0331 (3) | |
| C13 | 0.11164 (5) | 1.2669 (2) | 0.28589 (11) | 0.0410 (3) | |
| H13 | 0.0921 | 1.3722 | 0.2919 | 0.049* | |
| C14 | 0.15703 (5) | 1.2712 (2) | 0.34969 (12) | 0.0443 (4) | |
| H14 | 0.1684 | 1.3778 | 0.3991 | 0.053* | |
| C15 | 0.18555 (5) | 1.1203 (2) | 0.34109 (11) | 0.0411 (3) | |
| H15 | 0.2168 | 1.1230 | 0.3845 | 0.049* | |
| C16 | 0.16901 (5) | 0.9642 (2) | 0.26944 (10) | 0.0359 (3) | |
| H16 | 0.1888 | 0.8597 | 0.2639 | 0.043* | |
| C21 | 0.10746 (4) | 0.51750 (19) | 0.03453 (9) | 0.0282 (3) | |
| C22 | 0.06136 (4) | 0.5484 (2) | −0.02189 (10) | 0.0339 (3) | |
| H22 | 0.0466 | 0.6644 | −0.0074 | 0.041* | |
| C23 | 0.03669 (5) | 0.4130 (2) | −0.09866 (10) | 0.0385 (3) | |
| H23 | 0.0054 | 0.4375 | −0.1368 | 0.046* | |
| C24 | 0.05731 (5) | 0.2426 (2) | −0.12015 (10) | 0.0390 (3) | |
| H24 | 0.0403 | 0.1505 | −0.1733 | 0.047* | |
| C25 | 0.10285 (4) | 0.2062 (2) | −0.06413 (10) | 0.0337 (3) | |
| H25 | 0.1170 | 0.0877 | −0.0781 | 0.040* | |
| C26 | 0.12814 (4) | 0.34252 (19) | 0.01282 (9) | 0.0277 (3) |
| O1 | 0.0334 (5) | 0.0333 (5) | 0.0417 (5) | 0.0048 (4) | 0.0079 (4) | −0.0104 (4) |
| O2 | 0.0333 (5) | 0.0335 (5) | 0.0489 (6) | 0.0078 (4) | 0.0056 (4) | −0.0051 (4) |
| O3 | 0.0302 (5) | 0.0371 (6) | 0.0677 (7) | −0.0025 (4) | 0.0078 (5) | −0.0114 (5) |
| C1 | 0.0420 (8) | 0.0468 (9) | 0.0476 (9) | 0.0138 (7) | 0.0173 (7) | 0.0052 (7) |
| C2 | 0.0307 (7) | 0.0269 (7) | 0.0362 (7) | 0.0029 (5) | 0.0110 (5) | −0.0033 (5) |
| C3 | 0.0329 (7) | 0.0299 (7) | 0.0300 (6) | 0.0020 (6) | 0.0130 (5) | 0.0000 (5) |
| C4 | 0.0368 (8) | 0.0470 (9) | 0.0628 (10) | 0.0142 (7) | 0.0077 (7) | −0.0014 (8) |
| C11 | 0.0378 (7) | 0.0256 (6) | 0.0311 (7) | −0.0001 (5) | 0.0143 (6) | −0.0008 (5) |
| C12 | 0.0406 (7) | 0.0290 (7) | 0.0353 (7) | 0.0037 (6) | 0.0205 (6) | 0.0058 (5) |
| C13 | 0.0552 (9) | 0.0293 (7) | 0.0485 (8) | 0.0044 (7) | 0.0308 (7) | −0.0012 (6) |
| C14 | 0.0562 (9) | 0.0367 (8) | 0.0461 (8) | −0.0092 (7) | 0.0259 (7) | −0.0124 (6) |
| C15 | 0.0407 (8) | 0.0407 (8) | 0.0426 (8) | −0.0100 (7) | 0.0164 (6) | −0.0080 (6) |
| C16 | 0.0365 (7) | 0.0319 (7) | 0.0401 (7) | 0.0007 (6) | 0.0149 (6) | −0.0037 (6) |
| C21 | 0.0310 (6) | 0.0264 (6) | 0.0275 (6) | −0.0008 (5) | 0.0111 (5) | 0.0021 (5) |
| C22 | 0.0329 (7) | 0.0340 (7) | 0.0348 (7) | 0.0043 (6) | 0.0127 (6) | −0.0004 (6) |
| C23 | 0.0277 (7) | 0.0465 (9) | 0.0370 (7) | 0.0007 (6) | 0.0070 (6) | −0.0014 (6) |
| C24 | 0.0355 (7) | 0.0434 (8) | 0.0345 (7) | −0.0056 (6) | 0.0088 (6) | −0.0103 (6) |
| C25 | 0.0354 (7) | 0.0325 (7) | 0.0341 (7) | −0.0006 (6) | 0.0140 (6) | −0.0050 (6) |
| C26 | 0.0293 (6) | 0.0275 (6) | 0.0273 (6) | −0.0014 (5) | 0.0113 (5) | 0.0010 (5) |
| O1—C11 | 1.3744 (15) | C12—C13 | 1.3901 (19) |
| O1—C2 | 1.4251 (15) | C13—C14 | 1.382 (2) |
| O2—C3 | 1.3367 (16) | C13—H13 | 0.9500 |
| O2—C4 | 1.4419 (16) | C14—C15 | 1.373 (2) |
| O3—C3 | 1.2034 (15) | C14—H14 | 0.9500 |
| C1—C12 | 1.4988 (19) | C15—C16 | 1.3856 (19) |
| C1—H1A | 0.9800 | C15—H15 | 0.9500 |
| C1—H1B | 0.9800 | C16—H16 | 0.9500 |
| C1—H1C | 0.9800 | C21—C22 | 1.3933 (17) |
| C2—C21 | 1.5049 (17) | C21—C26 | 1.4054 (18) |
| C2—H2A | 0.9900 | C22—C23 | 1.3836 (19) |
| C2—H2B | 0.9900 | C22—H22 | 0.9500 |
| C3—C26 | 1.4910 (17) | C23—C24 | 1.379 (2) |
| C4—H4A | 0.9800 | C23—H23 | 0.9500 |
| C4—H4B | 0.9800 | C24—C25 | 1.3832 (19) |
| C4—H4C | 0.9800 | C24—H24 | 0.9500 |
| C11—C16 | 1.3869 (18) | C25—C26 | 1.3940 (17) |
| C11—C12 | 1.3954 (18) | C25—H25 | 0.9500 |
| C11—O1—C2 | 116.26 (10) | C14—C13—H13 | 119.1 |
| C3—O2—C4 | 115.77 (11) | C12—C13—H13 | 119.1 |
| C12—C1—H1A | 109.5 | C15—C14—C13 | 119.48 (13) |
| C12—C1—H1B | 109.5 | C15—C14—H14 | 120.3 |
| H1A—C1—H1B | 109.5 | C13—C14—H14 | 120.3 |
| C12—C1—H1C | 109.5 | C14—C15—C16 | 120.37 (14) |
| H1A—C1—H1C | 109.5 | C14—C15—H15 | 119.8 |
| H1B—C1—H1C | 109.5 | C16—C15—H15 | 119.8 |
| O1—C2—C21 | 109.13 (10) | C15—C16—C11 | 119.72 (13) |
| O1—C2—H2A | 109.9 | C15—C16—H16 | 120.1 |
| C21—C2—H2A | 109.9 | C11—C16—H16 | 120.1 |
| O1—C2—H2B | 109.9 | C22—C21—C26 | 118.21 (11) |
| C21—C2—H2B | 109.9 | C22—C21—C2 | 120.87 (12) |
| H2A—C2—H2B | 108.3 | C26—C21—C2 | 120.92 (11) |
| O3—C3—O2 | 122.60 (12) | C23—C22—C21 | 121.06 (13) |
| O3—C3—C26 | 125.65 (12) | C23—C22—H22 | 119.5 |
| O2—C3—C26 | 111.75 (11) | C21—C22—H22 | 119.5 |
| O2—C4—H4A | 109.5 | C24—C23—C22 | 120.37 (12) |
| O2—C4—H4B | 109.5 | C24—C23—H23 | 119.8 |
| H4A—C4—H4B | 109.5 | C22—C23—H23 | 119.8 |
| O2—C4—H4C | 109.5 | C23—C24—C25 | 119.80 (12) |
| H4A—C4—H4C | 109.5 | C23—C24—H24 | 120.1 |
| H4B—C4—H4C | 109.5 | C25—C24—H24 | 120.1 |
| O1—C11—C16 | 123.80 (12) | C24—C25—C26 | 120.31 (13) |
| O1—C11—C12 | 115.25 (12) | C24—C25—H25 | 119.8 |
| C16—C11—C12 | 120.95 (12) | C26—C25—H25 | 119.8 |
| C13—C12—C11 | 117.63 (13) | C25—C26—C21 | 120.22 (11) |
| C13—C12—C1 | 122.21 (13) | C25—C26—C3 | 118.98 (11) |
| C11—C12—C1 | 120.15 (12) | C21—C26—C3 | 120.77 (11) |
| C14—C13—C12 | 121.85 (13) | ||
| C11—O1—C2—C21 | −179.15 (10) | O1—C2—C21—C26 | −172.01 (11) |
| C4—O2—C3—O3 | 0.5 (2) | C26—C21—C22—C23 | −1.23 (19) |
| C4—O2—C3—C26 | 179.87 (12) | C2—C21—C22—C23 | 179.57 (12) |
| C2—O1—C11—C16 | −6.01 (19) | C21—C22—C23—C24 | 0.7 (2) |
| C2—O1—C11—C12 | 174.45 (11) | C22—C23—C24—C25 | 0.5 (2) |
| O1—C11—C12—C13 | 179.82 (11) | C23—C24—C25—C26 | −1.0 (2) |
| C16—C11—C12—C13 | 0.3 (2) | C24—C25—C26—C21 | 0.4 (2) |
| O1—C11—C12—C1 | −0.95 (18) | C24—C25—C26—C3 | −177.54 (12) |
| C16—C11—C12—C1 | 179.49 (13) | C22—C21—C26—C25 | 0.69 (18) |
| C11—C12—C13—C14 | −0.4 (2) | C2—C21—C26—C25 | 179.89 (12) |
| C1—C12—C13—C14 | −179.57 (13) | C22—C21—C26—C3 | 178.60 (11) |
| C12—C13—C14—C15 | 0.4 (2) | C2—C21—C26—C3 | −2.21 (18) |
| C13—C14—C15—C16 | −0.3 (2) | O3—C3—C26—C25 | 158.37 (14) |
| C14—C15—C16—C11 | 0.2 (2) | O2—C3—C26—C25 | −20.99 (16) |
| O1—C11—C16—C15 | −179.72 (12) | O3—C3—C26—C21 | −19.6 (2) |
| C12—C11—C16—C15 | −0.2 (2) | O2—C3—C26—C21 | 161.08 (11) |
| O1—C2—C21—C22 | 7.17 (17) |
| H··· | ||||
| C25—H25··· | 0.95 | 2.72 | 3.5461 (15) | 146 |
Hydrogen-bond geometry (Å, °)
Cg1 is the centroid of the C11–C16 ring.
| H⋯ | ||||
|---|---|---|---|---|
| C25—H25⋯ | 0.95 | 2.72 | 3.5461 (15) | 146 |
Symmetry code: (i) .