organic compounds
Methyl (E)-2-({2-[(E)-(hydroxyimino)methyl]phenoxy}methyl)-3-(4-methylphenyl)acrylate
aDepartment of Physics, S.M.K. Fomra Institute of Technology, Thaiyur, Chennai 603 103, India, bDepartment of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600 025, India, and cDepartment of Physics, Presidency College (Autonomous), Chennai 600 005, India
*Correspondence e-mail: a_sp59@yahoo.in
In the title compound, C19H19NO4, the dihedral angle between the mean planes through the benzene rings is 82.18 (7)°. The C=N double bond is trans-configured. The molecules are linked into centrosymmetric dimers via pairs of O—H⋯N hydrogen bonds with the motif R22(6). The crystal packing also features C—H⋯O interactions. The methyl group attached to one of the aromatic rings is disordered over two almost equally occupied positions [occpancy ratio = 0.51 (4):0.49 (4)].
Related literature
For information on ). For a related structure, see: SakthiMurugesan et al. (2011).
see: Chaudhuri (2003Experimental
Crystal data
|
Refinement
|
Data collection: APEX2 (Bruker, 2004); cell SAINT (Bruker, 2004); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97 and PLATON.
Supporting information
10.1107/S1600536812019046/bt5884sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812019046/bt5884Isup2.hkl
Supporting information file. DOI: 10.1107/S1600536812019046/bt5884Isup3.cml
To a stirred solution of (E)-methyl 2-((2-formylphenoxy)methyl)-3 - p-tolyacrylate (4 mmol) in 10 ml of EtOH/H2O mixture(1:1) was added NH2OH.HCl(6 mmol) in the presence of 50% NaOH at room temperature. Then the reaction mixture was allowed to stir at room temperature For 1.5 h. After completion of the reaction, solvent was removed and crude mass was diluted with water (15 ml) and extracted with ethyl acetate (3x15ml). The combined organic layer was washed with brine (2x10ml) and dried over anhydrous Na2SO4 and then evaporated under reduced pressure to obtain(E)-methyl 2-((2-((E)-(hydroxyimino) methyl)phenoxy) methyl)-3-p-tolylacrylate as a colourless solid. Single crystals suitable for X-ray diffraction were obtained by slow evaporation of a solution of the title compound in acetone at room temperature.
All H atoms were fixed geometrically and allowed to ride on their parent atoms, with C—H distances in the range 0.93–0.97 Å and an O—H distance of 0.82 Å and with Uiso(H) = 1.5Ueq(Cmethyl, O) or 1.2Ueq(C) for other H atoms.
Data collection: APEX2 (Bruker, 2004); cell
SAINT (Bruker, 2004); data reduction: SAINT (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).C19H19NO4 | Z = 2 |
Mr = 325.35 | F(000) = 344 |
Triclinic, P1 | Dx = 1.262 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 8.8683 (2) Å | Cell parameters from 6056 reflections |
b = 9.3246 (2) Å | θ = 2.5–32.5° |
c = 11.9259 (3) Å | µ = 0.09 mm−1 |
α = 75.200 (2)° | T = 293 K |
β = 76.453 (2)° | Block, white crystalline |
γ = 65.142 (1)° | 0.35 × 0.30 × 0.25 mm |
V = 856.04 (3) Å3 |
Bruker APEXII CCD area-detector diffractometer | 4580 independent reflections |
Radiation source: fine-focus sealed tube | 3493 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.022 |
ω and ϕ scans | θmax = 29.2°, θmin = 2.5° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −12→12 |
Tmin = 0.970, Tmax = 0.978 | k = −12→12 |
20292 measured reflections | l = −16→16 |
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)] = 0.045 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.132 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0596P)2 + 0.1563P] where P = (Fo2 + 2Fc2)/3 |
4580 reflections | (Δ/σ)max < 0.001 |
221 parameters | Δρmax = 0.23 e Å−3 |
0 restraints | Δρmin = −0.20 e Å−3 |
C19H19NO4 | γ = 65.142 (1)° |
Mr = 325.35 | V = 856.04 (3) Å3 |
Triclinic, P1 | Z = 2 |
a = 8.8683 (2) Å | Mo Kα radiation |
b = 9.3246 (2) Å | µ = 0.09 mm−1 |
c = 11.9259 (3) Å | T = 293 K |
α = 75.200 (2)° | 0.35 × 0.30 × 0.25 mm |
β = 76.453 (2)° |
Bruker APEXII CCD area-detector diffractometer | 4580 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 3493 reflections with I > 2σ(I) |
Tmin = 0.970, Tmax = 0.978 | Rint = 0.022 |
20292 measured reflections |
R[F2 > 2σ(F2)] = 0.045 | 0 restraints |
wR(F2) = 0.132 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.23 e Å−3 |
4580 reflections | Δρmin = −0.20 e Å−3 |
221 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 | Occ. (<1) | |
C1 | 0.30137 (15) | 0.78709 (15) | 0.40342 (11) | 0.0446 (3) | |
H1 | 0.3839 | 0.8244 | 0.3607 | 0.053* | |
C2 | 0.32860 (14) | 0.61892 (14) | 0.41323 (10) | 0.0397 (3) | |
C3 | 0.24555 (17) | 0.54149 (16) | 0.50493 (12) | 0.0521 (3) | |
H3 | 0.1701 | 0.5977 | 0.5623 | 0.063* | |
C4 | 0.2729 (2) | 0.38274 (18) | 0.51246 (13) | 0.0608 (4) | |
H4 | 0.2161 | 0.3325 | 0.5743 | 0.073* | |
C5 | 0.38495 (19) | 0.29887 (16) | 0.42785 (13) | 0.0569 (3) | |
H5 | 0.4027 | 0.1920 | 0.4326 | 0.068* | |
C6 | 0.47131 (16) | 0.37155 (15) | 0.33607 (12) | 0.0476 (3) | |
H6 | 0.5470 | 0.3139 | 0.2795 | 0.057* | |
C7 | 0.44431 (14) | 0.53102 (13) | 0.32886 (10) | 0.0385 (2) | |
C8 | 0.64247 (16) | 0.53394 (14) | 0.15207 (11) | 0.0450 (3) | |
H8A | 0.5849 | 0.5135 | 0.1017 | 0.054* | |
H8B | 0.7225 | 0.4320 | 0.1859 | 0.054* | |
C9 | 0.73103 (15) | 0.64103 (15) | 0.08311 (11) | 0.0441 (3) | |
C10 | 0.89857 (17) | 0.60977 (17) | 0.11066 (13) | 0.0532 (3) | |
C11 | 1.0978 (2) | 0.4600 (3) | 0.24022 (17) | 0.0852 (6) | |
H11A | 1.1801 | 0.4565 | 0.1713 | 0.128* | |
H11B | 1.1307 | 0.3571 | 0.2908 | 0.128* | |
H11C | 1.0899 | 0.5402 | 0.2807 | 0.128* | |
C12 | 0.67354 (16) | 0.76491 (15) | −0.00294 (11) | 0.0475 (3) | |
H12 | 0.7450 | 0.8193 | −0.0359 | 0.057* | |
C13 | 0.51907 (16) | 0.82972 (14) | −0.05413 (11) | 0.0456 (3) | |
C14 | 0.37187 (17) | 0.80613 (17) | −0.00162 (12) | 0.0546 (3) | |
H14 | 0.3663 | 0.7467 | 0.0737 | 0.065* | |
C15 | 0.23412 (19) | 0.86949 (18) | −0.05950 (14) | 0.0594 (4) | |
H15 | 0.1378 | 0.8506 | −0.0228 | 0.071* | |
C16 | 0.23571 (19) | 0.96063 (17) | −0.17098 (13) | 0.0578 (4) | |
C17 | 0.3798 (2) | 0.98842 (18) | −0.22200 (13) | 0.0619 (4) | |
H17 | 0.3833 | 1.0512 | −0.2962 | 0.074* | |
C18 | 0.51779 (19) | 0.92530 (16) | −0.16541 (12) | 0.0558 (3) | |
H18 | 0.6129 | 0.9466 | −0.2020 | 0.067* | |
C19 | 0.0852 (3) | 1.0257 (3) | −0.23393 (18) | 0.0884 (6) | |
H19A | 0.0030 | 0.9840 | −0.1886 | 0.133* | 0.51 (4) |
H19B | 0.1192 | 0.9937 | −0.3093 | 0.133* | 0.51 (4) |
H19C | 0.0376 | 1.1408 | −0.2440 | 0.133* | 0.51 (4) |
H19D | 0.0618 | 0.9382 | −0.2433 | 0.133* | 0.49 (4) |
H19F | 0.1082 | 1.0858 | −0.3096 | 0.133* | 0.49 (4) |
H19E | −0.0102 | 1.0945 | −0.1890 | 0.133* | 0.49 (4) |
N1 | 0.16707 (14) | 0.88269 (13) | 0.45217 (10) | 0.0493 (3) | |
O1 | 0.16721 (14) | 1.03758 (12) | 0.43411 (11) | 0.0699 (3) | |
H1A | 0.0766 | 1.0977 | 0.4635 | 0.105* | |
O2 | 0.52349 (11) | 0.61418 (10) | 0.24323 (7) | 0.0467 (2) | |
O3 | 0.99150 (15) | 0.67203 (16) | 0.05342 (13) | 0.0872 (4) | |
O4 | 0.93678 (13) | 0.49931 (16) | 0.20693 (9) | 0.0720 (3) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0417 (6) | 0.0459 (6) | 0.0413 (6) | −0.0165 (5) | 0.0028 (5) | −0.0081 (5) |
C2 | 0.0363 (5) | 0.0416 (6) | 0.0369 (5) | −0.0131 (4) | −0.0052 (4) | −0.0034 (4) |
C3 | 0.0498 (7) | 0.0526 (7) | 0.0433 (6) | −0.0177 (6) | 0.0034 (5) | −0.0034 (5) |
C4 | 0.0628 (9) | 0.0551 (8) | 0.0556 (8) | −0.0281 (7) | 0.0009 (7) | 0.0061 (6) |
C5 | 0.0620 (8) | 0.0428 (6) | 0.0639 (8) | −0.0235 (6) | −0.0082 (7) | −0.0009 (6) |
C6 | 0.0480 (7) | 0.0427 (6) | 0.0502 (7) | −0.0160 (5) | −0.0055 (5) | −0.0095 (5) |
C7 | 0.0366 (5) | 0.0407 (6) | 0.0362 (5) | −0.0144 (4) | −0.0063 (4) | −0.0032 (4) |
C8 | 0.0453 (6) | 0.0428 (6) | 0.0431 (6) | −0.0146 (5) | 0.0033 (5) | −0.0141 (5) |
C9 | 0.0415 (6) | 0.0467 (6) | 0.0424 (6) | −0.0162 (5) | 0.0055 (5) | −0.0172 (5) |
C10 | 0.0449 (7) | 0.0574 (7) | 0.0560 (8) | −0.0177 (6) | 0.0030 (6) | −0.0205 (6) |
C11 | 0.0524 (9) | 0.1224 (16) | 0.0710 (11) | −0.0173 (10) | −0.0144 (8) | −0.0242 (11) |
C12 | 0.0462 (7) | 0.0483 (6) | 0.0483 (7) | −0.0221 (5) | 0.0060 (5) | −0.0136 (5) |
C13 | 0.0499 (7) | 0.0404 (6) | 0.0446 (6) | −0.0181 (5) | 0.0019 (5) | −0.0110 (5) |
C14 | 0.0515 (7) | 0.0568 (7) | 0.0484 (7) | −0.0215 (6) | −0.0001 (6) | −0.0027 (6) |
C15 | 0.0504 (8) | 0.0629 (8) | 0.0635 (9) | −0.0243 (7) | −0.0030 (6) | −0.0091 (7) |
C16 | 0.0623 (9) | 0.0521 (7) | 0.0576 (8) | −0.0157 (6) | −0.0123 (7) | −0.0148 (6) |
C17 | 0.0745 (10) | 0.0535 (8) | 0.0487 (7) | −0.0211 (7) | −0.0075 (7) | −0.0017 (6) |
C18 | 0.0600 (8) | 0.0490 (7) | 0.0534 (8) | −0.0246 (6) | 0.0010 (6) | −0.0029 (6) |
C19 | 0.0806 (13) | 0.1011 (15) | 0.0808 (12) | −0.0241 (11) | −0.0337 (10) | −0.0105 (11) |
N1 | 0.0485 (6) | 0.0423 (5) | 0.0524 (6) | −0.0168 (4) | 0.0037 (5) | −0.0118 (5) |
O1 | 0.0685 (7) | 0.0460 (5) | 0.0879 (8) | −0.0241 (5) | 0.0180 (6) | −0.0223 (5) |
O2 | 0.0513 (5) | 0.0418 (4) | 0.0421 (4) | −0.0193 (4) | 0.0095 (4) | −0.0118 (3) |
O3 | 0.0586 (7) | 0.0883 (9) | 0.1159 (11) | −0.0418 (6) | −0.0146 (7) | 0.0059 (8) |
O4 | 0.0507 (6) | 0.1054 (9) | 0.0517 (6) | −0.0264 (6) | −0.0068 (5) | −0.0074 (6) |
C1—N1 | 1.2644 (16) | C11—H11B | 0.9600 |
C1—C2 | 1.4602 (17) | C11—H11C | 0.9600 |
C1—H1 | 0.9300 | C12—C13 | 1.4566 (19) |
C2—C3 | 1.3879 (17) | C12—H12 | 0.9300 |
C2—C7 | 1.4027 (16) | C13—C14 | 1.3902 (18) |
C3—C4 | 1.378 (2) | C13—C18 | 1.3964 (18) |
C3—H3 | 0.9300 | C14—C15 | 1.378 (2) |
C4—C5 | 1.377 (2) | C14—H14 | 0.9300 |
C4—H4 | 0.9300 | C15—C16 | 1.383 (2) |
C5—C6 | 1.3815 (19) | C15—H15 | 0.9300 |
C5—H5 | 0.9300 | C16—C17 | 1.380 (2) |
C6—C7 | 1.3860 (17) | C16—C19 | 1.506 (2) |
C6—H6 | 0.9300 | C17—C18 | 1.370 (2) |
C7—O2 | 1.3618 (14) | C17—H17 | 0.9300 |
C8—O2 | 1.4386 (14) | C18—H18 | 0.9300 |
C8—C9 | 1.4925 (17) | C19—H19A | 0.9600 |
C8—H8A | 0.9700 | C19—H19B | 0.9600 |
C8—H8B | 0.9700 | C19—H19C | 0.9600 |
C9—C12 | 1.3386 (18) | C19—H19D | 0.9600 |
C9—C10 | 1.4886 (19) | C19—H19F | 0.9600 |
C10—O3 | 1.1910 (17) | C19—H19E | 0.9600 |
C10—O4 | 1.3336 (18) | N1—O1 | 1.4052 (14) |
C11—O4 | 1.443 (2) | O1—H1A | 0.8200 |
C11—H11A | 0.9600 | ||
N1—C1—C2 | 120.89 (11) | H11A—C11—H11C | 109.5 |
N1—C1—H1 | 119.6 | H11B—C11—H11C | 109.5 |
C2—C1—H1 | 119.6 | C9—C12—C13 | 131.50 (12) |
C3—C2—C7 | 118.50 (11) | C9—C12—H12 | 114.2 |
C3—C2—C1 | 122.09 (11) | C13—C12—H12 | 114.2 |
C7—C2—C1 | 119.40 (10) | C14—C13—C18 | 116.93 (13) |
C4—C3—C2 | 121.16 (13) | C14—C13—C12 | 125.81 (12) |
C4—C3—H3 | 119.4 | C18—C13—C12 | 117.26 (12) |
C2—C3—H3 | 119.4 | C15—C14—C13 | 121.00 (13) |
C5—C4—C3 | 119.61 (13) | C15—C14—H14 | 119.5 |
C5—C4—H4 | 120.2 | C13—C14—H14 | 119.5 |
C3—C4—H4 | 120.2 | C14—C15—C16 | 121.55 (14) |
C4—C5—C6 | 120.81 (13) | C14—C15—H15 | 119.2 |
C4—C5—H5 | 119.6 | C16—C15—H15 | 119.2 |
C6—C5—H5 | 119.6 | C17—C16—C15 | 117.63 (14) |
C5—C6—C7 | 119.55 (12) | C17—C16—C19 | 121.61 (15) |
C5—C6—H6 | 120.2 | C15—C16—C19 | 120.76 (16) |
C7—C6—H6 | 120.2 | C18—C17—C16 | 121.27 (14) |
O2—C7—C6 | 124.60 (11) | C18—C17—H17 | 119.4 |
O2—C7—C2 | 115.05 (10) | C16—C17—H17 | 119.4 |
C6—C7—C2 | 120.35 (11) | C17—C18—C13 | 121.57 (14) |
O2—C8—C9 | 107.57 (9) | C17—C18—H18 | 119.2 |
O2—C8—H8A | 110.2 | C13—C18—H18 | 119.2 |
C9—C8—H8A | 110.2 | C16—C19—H19A | 109.5 |
O2—C8—H8B | 110.2 | C16—C19—H19B | 109.5 |
C9—C8—H8B | 110.2 | C16—C19—H19C | 109.5 |
H8A—C8—H8B | 108.5 | C16—C19—H19D | 109.5 |
C12—C9—C10 | 115.91 (12) | C16—C19—H19F | 109.5 |
C12—C9—C8 | 125.82 (12) | H19D—C19—H19F | 109.5 |
C10—C9—C8 | 118.27 (11) | C16—C19—H19E | 109.5 |
O3—C10—O4 | 122.75 (14) | H19D—C19—H19E | 109.5 |
O3—C10—C9 | 125.04 (14) | H19F—C19—H19E | 109.5 |
O4—C10—C9 | 112.19 (12) | C1—N1—O1 | 111.94 (11) |
O4—C11—H11A | 109.5 | N1—O1—H1A | 109.5 |
O4—C11—H11B | 109.5 | C7—O2—C8 | 118.77 (9) |
H11A—C11—H11B | 109.5 | C10—O4—C11 | 116.22 (14) |
O4—C11—H11C | 109.5 | ||
N1—C1—C2—C3 | −23.53 (19) | C8—C9—C12—C13 | −0.6 (2) |
N1—C1—C2—C7 | 157.62 (12) | C9—C12—C13—C14 | 20.6 (2) |
C7—C2—C3—C4 | −1.2 (2) | C9—C12—C13—C18 | −159.99 (14) |
C1—C2—C3—C4 | 179.93 (13) | C18—C13—C14—C15 | 2.5 (2) |
C2—C3—C4—C5 | 0.2 (2) | C12—C13—C14—C15 | −178.12 (13) |
C3—C4—C5—C6 | 0.6 (2) | C13—C14—C15—C16 | −0.9 (2) |
C4—C5—C6—C7 | −0.3 (2) | C14—C15—C16—C17 | −1.0 (2) |
C5—C6—C7—O2 | 179.27 (12) | C14—C15—C16—C19 | 178.59 (15) |
C5—C6—C7—C2 | −0.80 (19) | C15—C16—C17—C18 | 1.3 (2) |
C3—C2—C7—O2 | −178.54 (11) | C19—C16—C17—C18 | −178.27 (15) |
C1—C2—C7—O2 | 0.35 (16) | C16—C17—C18—C13 | 0.3 (2) |
C3—C2—C7—C6 | 1.53 (17) | C14—C13—C18—C17 | −2.2 (2) |
C1—C2—C7—C6 | −179.59 (11) | C12—C13—C18—C17 | 178.37 (13) |
O2—C8—C9—C12 | −82.19 (15) | C2—C1—N1—O1 | 178.81 (11) |
O2—C8—C9—C10 | 97.89 (12) | C6—C7—O2—C8 | 0.84 (17) |
C12—C9—C10—O3 | −10.0 (2) | C2—C7—O2—C8 | −179.09 (10) |
C8—C9—C10—O3 | 169.98 (14) | C9—C8—O2—C7 | −170.37 (10) |
C12—C9—C10—O4 | 171.55 (12) | O3—C10—O4—C11 | 1.0 (2) |
C8—C9—C10—O4 | −8.52 (16) | C9—C10—O4—C11 | 179.55 (13) |
C10—C9—C12—C13 | 179.32 (12) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1A···N1i | 0.82 | 2.11 | 2.8211 (15) | 145 |
C15—H15···O3ii | 0.93 | 2.40 | 3.247 (2) | 151 |
Symmetry codes: (i) −x, −y+2, −z+1; (ii) x−1, y, z. |
Experimental details
Crystal data | |
Chemical formula | C19H19NO4 |
Mr | 325.35 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 293 |
a, b, c (Å) | 8.8683 (2), 9.3246 (2), 11.9259 (3) |
α, β, γ (°) | 75.200 (2), 76.453 (2), 65.142 (1) |
V (Å3) | 856.04 (3) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.09 |
Crystal size (mm) | 0.35 × 0.30 × 0.25 |
Data collection | |
Diffractometer | Bruker APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.970, 0.978 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 20292, 4580, 3493 |
Rint | 0.022 |
(sin θ/λ)max (Å−1) | 0.686 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.045, 0.132, 1.04 |
No. of reflections | 4580 |
No. of parameters | 221 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.23, −0.20 |
Computer programs: APEX2 (Bruker, 2004), SAINT (Bruker, 2004), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1A···N1i | 0.82 | 2.11 | 2.8211 (15) | 144.8 |
C15—H15···O3ii | 0.93 | 2.40 | 3.247 (2) | 151 |
Symmetry codes: (i) −x, −y+2, −z+1; (ii) x−1, y, z. |
Acknowledgements
The authors thank Dr Babu Varghese, SAIF, IIT, Chennai, India for the data collection.
References
Bruker (2004). APEX2 and SAINT. Bruker AXS Inc., Madison Wisconsin, USA. Google Scholar
Chaudhuri, P. (2003). Coord. Chem. Rev. 243, 143–168. Web of Science CrossRef CAS Google Scholar
SakthiMurugesan, K., Govindan, E., Srinivasan, J., Bakthadoss, M. & SubbiahPandi, A. (2011). Acta Cryst. E67, o2754. Web of Science CSD CrossRef IUCr Journals Google Scholar
Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany. Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Spek, A. L. (2009). Acta Cryst. D65, 148–155. Web of Science CrossRef CAS IUCr Journals Google Scholar
This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Oximes are a classical type of chelating ligands which are widely used in coordination and analytical chemistry (Chaudhuri, 2003). Against this background, and in order to obtain detailed information on molecular conformations in the solid state, an X-ray study of the title compound was carried out.
X-Ray analysis confirms the molecular structure and atom connectivity as illustrated in Fig. 1. The bond lengths and angles in (Fig. 1) agree with those observed in other acrylate derivatives (SakthiMurugesan et al., 2011). the whole molecule is not planar as the dihedral angle between the two phenyl rings is 82.18 (7)°, it shows that both the rings are almost perpendicular to each other. The methoxybutene group connects the two phenyl rings, results in twisting the rings and placed those rings in perpendicular direction. The oxime group having the C═N forming an E configuration. The atom C19 is deviated by -0.037 (2) Å from the least squares plane of the C13—C18 ring. The hydroxyethanimine group is essentially coplanar with the benzene ring, the largest deviation from the mean plane being -0.008 (1) Å for the C2 atom.
The enoate group assumes an extended conformation as can be seen from torsion angles C8—C9—C10—O3 [169.97 (15)°] and C9—C10—O4—C11 [179.55 (14)°]. The hydroxyethanimine group in the molecules are linked into cyclic centrosymmetric dimers via O—H···N hydrogen bonds with the motif R22(6). In addition to van der Waals interactions the crystal packing is stabilized by C–H..O and O–H···N interactions.