| Literature DB >> 21203279 |
B Thimme Gowda, Sabine Foro, K S Babitha, Hartmut Fuess.
Abstract
The conformation of the C=O bond in the title compound 2MP4MBA, C(15)H(14)O(2), is anti to the ortho-methyl group in the phen-oxy ring. The bond parameters in 2MP4MBA are similar to those in 3-methyl-phenyl 4-methyl-benzoate (3MP4MBA), 4-methyl-phenyl 4-methyl-benzoate (4MP4MBA) and other aryl benzoates. The dihedral angle between the two aromatic rings in 2MP4MBA is 73.04 (8)°.Entities:
Year: 2008 PMID: 21203279 PMCID: PMC2962198 DOI: 10.1107/S1600536808022733
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C15H14O2 | |
| Monoclinic, | Mo |
| Hall symbol: -P 2ybc | Cell parameters from 1609 reflections |
| θ = 2.8–27.9º | |
| µ = 0.08 mm−1 | |
| β = 104.50 (2)º | Prism, colourless |
| 0.50 × 0.46 × 0.20 mm | |
| Oxford Diffraction Xcalibur diffractometer with a Sapphire CCD detector | 2529 independent reflections |
| Radiation source: fine-focus sealed tube | 1385 reflections with |
| Monochromator: graphite | |
| θmax = 26.4º | |
| Rotation method data acquisition using ω and φ scans | θmin = 2.8º |
| Absorption correction: multi-scan(CrysAlis RED; Oxford Diffraction, 2007) | |
| 7861 measured reflections |
| Refinement on | Hydrogen site location: inferred from neighbouring sites |
| Least-squares matrix: full | H atoms treated by a mixture of independent and constrained refinement |
| | |
| (Δ/σ)max = 0.006 | |
| Δρmax = 0.21 e Å−3 | |
| 2529 reflections | Δρmin = −0.15 e Å−3 |
| 181 parameters | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
| Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.031 (6) |
| Secondary atom site location: difference Fourier map |
| Experimental. empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. |
| 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 | 0.5348 (2) | 0.2164 (2) | 0.4626 (2) | 0.0639 (6) | |
| C2 | 0.5493 (2) | 0.1082 (2) | 0.3892 (2) | 0.0665 (6) | |
| C3 | 0.4583 (3) | 0.0849 (3) | 0.2881 (2) | 0.0818 (8) | |
| H3 | 0.465 (2) | 0.002 (3) | 0.238 (3) | 0.098* | |
| C4 | 0.3581 (3) | 0.1645 (4) | 0.2630 (3) | 0.0920 (9) | |
| H4 | 0.293 (3) | 0.134 (3) | 0.192 (3) | 0.110* | |
| C5 | 0.3464 (3) | 0.2706 (4) | 0.3381 (3) | 0.0929 (10) | |
| H5 | 0.282 (3) | 0.329 (3) | 0.318 (3) | 0.111* | |
| C6 | 0.4355 (3) | 0.2979 (3) | 0.4402 (3) | 0.0787 (8) | |
| H6 | 0.436 (3) | 0.363 (3) | 0.493 (3) | 0.094* | |
| C7 | 0.7074 (2) | 0.3305 (2) | 0.5779 (2) | 0.0642 (6) | |
| C8 | 0.8038 (2) | 0.3150 (2) | 0.6887 (2) | 0.0623 (6) | |
| C9 | 0.8060 (2) | 0.2066 (3) | 0.7680 (2) | 0.0713 (7) | |
| H9 | 0.741 (2) | 0.137 (3) | 0.754 (2) | 0.086* | |
| C10 | 0.8988 (2) | 0.1943 (3) | 0.8698 (2) | 0.0774 (7) | |
| H10 | 0.901 (2) | 0.116 (3) | 0.926 (2) | 0.093* | |
| C11 | 0.9911 (2) | 0.2878 (3) | 0.8946 (2) | 0.0786 (7) | |
| C12 | 0.9879 (3) | 0.3953 (3) | 0.8146 (3) | 0.0899 (9) | |
| H12 | 1.052 (3) | 0.462 (3) | 0.823 (3) | 0.108* | |
| C13 | 0.8960 (2) | 0.4098 (3) | 0.7127 (3) | 0.0802 (7) | |
| H13 | 0.896 (2) | 0.489 (3) | 0.650 (2) | 0.096* | |
| C14 | 0.6588 (2) | 0.0208 (3) | 0.4190 (3) | 0.0866 (8) | |
| H14A | 0.6673 | −0.0210 | 0.4965 | 0.129* | |
| H14B | 0.7264 | 0.0777 | 0.4203 | 0.129* | |
| H14C | 0.6527 | −0.0500 | 0.3592 | 0.129* | |
| C15 | 1.0906 (3) | 0.2722 (4) | 1.0064 (3) | 0.1079 (11) | |
| H15A | 1.1586 | 0.2344 | 0.9851 | 0.162* | |
| H15B | 1.0665 | 0.2111 | 1.0618 | 0.162* | |
| H15C | 1.1101 | 0.3610 | 1.0434 | 0.162* | |
| O1 | 0.62322 (15) | 0.23295 (16) | 0.57090 (14) | 0.0759 (5) | |
| O2 | 0.70209 (16) | 0.41780 (18) | 0.50210 (17) | 0.0858 (6) |
| C1 | 0.0637 (14) | 0.0663 (13) | 0.0593 (13) | −0.0023 (11) | 0.0110 (11) | 0.0084 (10) |
| C2 | 0.0723 (15) | 0.0639 (13) | 0.0640 (14) | 0.0001 (11) | 0.0183 (12) | 0.0075 (11) |
| C3 | 0.097 (2) | 0.0791 (17) | 0.0654 (16) | −0.0007 (15) | 0.0136 (14) | 0.0045 (13) |
| C4 | 0.089 (2) | 0.102 (2) | 0.0721 (17) | −0.0112 (18) | −0.0030 (15) | 0.0184 (17) |
| C5 | 0.0727 (19) | 0.101 (2) | 0.100 (2) | 0.0197 (16) | 0.0132 (17) | 0.0367 (19) |
| C6 | 0.0850 (19) | 0.0726 (15) | 0.0808 (18) | 0.0127 (14) | 0.0252 (15) | 0.0111 (13) |
| C7 | 0.0685 (15) | 0.0544 (12) | 0.0733 (15) | 0.0050 (11) | 0.0248 (12) | −0.0033 (11) |
| C8 | 0.0629 (13) | 0.0598 (12) | 0.0673 (14) | −0.0005 (10) | 0.0220 (11) | −0.0064 (10) |
| C9 | 0.0678 (15) | 0.0668 (14) | 0.0770 (16) | −0.0082 (12) | 0.0141 (13) | −0.0005 (12) |
| C10 | 0.0683 (16) | 0.0829 (17) | 0.0773 (17) | −0.0054 (13) | 0.0115 (13) | 0.0052 (13) |
| C11 | 0.0633 (15) | 0.0930 (18) | 0.0776 (17) | −0.0054 (13) | 0.0140 (12) | −0.0117 (14) |
| C12 | 0.0740 (18) | 0.0924 (19) | 0.101 (2) | −0.0253 (15) | 0.0165 (16) | −0.0105 (17) |
| C13 | 0.0813 (18) | 0.0707 (15) | 0.0899 (19) | −0.0129 (13) | 0.0242 (15) | 0.0009 (13) |
| C14 | 0.0866 (19) | 0.0814 (17) | 0.0954 (19) | 0.0142 (14) | 0.0294 (15) | 0.0050 (14) |
| C15 | 0.0766 (19) | 0.138 (3) | 0.098 (2) | −0.0173 (18) | 0.0013 (16) | −0.0083 (19) |
| O1 | 0.0790 (11) | 0.0763 (11) | 0.0667 (11) | −0.0141 (9) | 0.0075 (8) | 0.0060 (8) |
| O2 | 0.0901 (13) | 0.0725 (11) | 0.0936 (14) | 0.0013 (9) | 0.0205 (10) | 0.0188 (9) |
| C1—C6 | 1.373 (3) | C8—C13 | 1.390 (3) |
| C1—C2 | 1.381 (3) | C9—C10 | 1.386 (4) |
| C1—O1 | 1.413 (3) | C9—H9 | 1.00 (3) |
| C2—C3 | 1.383 (4) | C10—C11 | 1.382 (4) |
| C2—C14 | 1.499 (3) | C10—H10 | 0.99 (3) |
| C3—C4 | 1.371 (4) | C11—C12 | 1.382 (4) |
| C3—H3 | 1.00 (3) | C11—C15 | 1.508 (4) |
| C4—C5 | 1.369 (4) | C12—C13 | 1.383 (4) |
| C4—H4 | 1.01 (3) | C12—H12 | 0.97 (3) |
| C5—C6 | 1.384 (4) | C13—H13 | 1.05 (3) |
| C5—H5 | 0.92 (3) | C14—H14A | 0.9600 |
| C6—H6 | 0.87 (3) | C14—H14B | 0.9600 |
| C7—O2 | 1.202 (3) | C14—H14C | 0.9600 |
| C7—O1 | 1.351 (3) | C15—H15A | 0.9600 |
| C7—C8 | 1.481 (3) | C15—H15B | 0.9600 |
| C8—C9 | 1.385 (3) | C15—H15C | 0.9600 |
| C6—C1—C2 | 123.3 (2) | C10—C9—H9 | 118.6 (15) |
| C6—C1—O1 | 119.9 (2) | C11—C10—C9 | 121.6 (3) |
| C2—C1—O1 | 116.6 (2) | C11—C10—H10 | 118.4 (16) |
| C1—C2—C3 | 116.7 (2) | C9—C10—H10 | 120.0 (16) |
| C1—C2—C14 | 121.1 (2) | C12—C11—C10 | 117.7 (3) |
| C3—C2—C14 | 122.2 (2) | C12—C11—C15 | 121.9 (3) |
| C4—C3—C2 | 121.5 (3) | C10—C11—C15 | 120.4 (3) |
| C4—C3—H3 | 121.1 (16) | C11—C12—C13 | 121.7 (3) |
| C2—C3—H3 | 117.2 (16) | C11—C12—H12 | 122.7 (18) |
| C5—C4—C3 | 120.2 (3) | C13—C12—H12 | 115.5 (18) |
| C5—C4—H4 | 123.4 (18) | C12—C13—C8 | 120.0 (3) |
| C3—C4—H4 | 116.1 (18) | C12—C13—H13 | 121.3 (15) |
| C4—C5—C6 | 120.2 (3) | C8—C13—H13 | 118.6 (15) |
| C4—C5—H5 | 120.5 (19) | C2—C14—H14A | 109.5 |
| C6—C5—H5 | 119 (2) | C2—C14—H14B | 109.5 |
| C1—C6—C5 | 118.1 (3) | H14A—C14—H14B | 109.5 |
| C1—C6—H6 | 115.4 (19) | C2—C14—H14C | 109.5 |
| C5—C6—H6 | 126.5 (19) | H14A—C14—H14C | 109.5 |
| O2—C7—O1 | 122.9 (2) | H14B—C14—H14C | 109.5 |
| O2—C7—C8 | 125.6 (2) | C11—C15—H15A | 109.5 |
| O1—C7—C8 | 111.49 (19) | C11—C15—H15B | 109.5 |
| C9—C8—C13 | 118.9 (2) | H15A—C15—H15B | 109.5 |
| C9—C8—C7 | 121.8 (2) | C11—C15—H15C | 109.5 |
| C13—C8—C7 | 119.3 (2) | H15A—C15—H15C | 109.5 |
| C8—C9—C10 | 120.1 (2) | H15B—C15—H15C | 109.5 |
| C8—C9—H9 | 121.4 (15) | C7—O1—C1 | 119.55 (17) |
| C6—C1—C2—C3 | 0.9 (4) | C13—C8—C9—C10 | 0.4 (4) |
| O1—C1—C2—C3 | 174.9 (2) | C7—C8—C9—C10 | 178.9 (2) |
| C6—C1—C2—C14 | −179.0 (2) | C8—C9—C10—C11 | −0.4 (4) |
| O1—C1—C2—C14 | −4.9 (3) | C9—C10—C11—C12 | 0.3 (4) |
| C1—C2—C3—C4 | −0.7 (4) | C9—C10—C11—C15 | 179.7 (3) |
| C14—C2—C3—C4 | 179.1 (2) | C10—C11—C12—C13 | −0.1 (4) |
| C2—C3—C4—C5 | 0.4 (4) | C15—C11—C12—C13 | −179.5 (3) |
| C3—C4—C5—C6 | −0.3 (5) | C11—C12—C13—C8 | 0.1 (4) |
| C2—C1—C6—C5 | −0.7 (4) | C9—C8—C13—C12 | −0.2 (4) |
| O1—C1—C6—C5 | −174.6 (2) | C7—C8—C13—C12 | −178.8 (2) |
| C4—C5—C6—C1 | 0.4 (4) | O2—C7—O1—C1 | 10.7 (3) |
| O2—C7—C8—C9 | −176.4 (2) | C8—C7—O1—C1 | −169.31 (18) |
| O1—C7—C8—C9 | 3.7 (3) | C6—C1—O1—C7 | −85.0 (3) |
| O2—C7—C8—C13 | 2.2 (4) | C2—C1—O1—C7 | 100.8 (2) |
| O1—C7—C8—C13 | −177.7 (2) |