organic compounds
1,1′-{[1,4-Phenylenebis(methylene)]bis(oxy)bis(3,1-phenylene)}diethanone
aDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
*Correspondence e-mail: khaledi@siswa.um.edu.my
In the title compound, C24H22O4, the centroid of the central benzene ring lies on a special position of 2/m while the terminal aromatic rings are located on a mirror plane. The central and terminal benzene rings are perpendicular to each other. In the crystal, the molecules are connected via C—H⋯O hydrogen bonds into a three-dimensional polymeric structure. The network is further consolidated by a C—H⋯π interaction.
Related literature
For the related structure of the o-acetyl isomer, see: Al-Mohammed et al. (2011).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: SHELXL97 and publCIF (Westrip, 2010).
Supporting information
https://doi.org/10.1107/S1600536811045041/is2798sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536811045041/is2798Isup2.hkl
To a mixture of α,α'-dibromo-p-xylene (1 g, 3.8 mmol) and potassium carbonate (1.05 g, 7.57 mmol) in dry acetone (25 ml), 3'-hydroxyacetophenone (1.03 g, 7.57 mmole) was added. The mixture was refluxed for 2 days. The solvent was then evaporated under reduced pressure and the crude material was extracted by dichloromethane (3 × 25 ml). The combined organic layers was washed with water and brine and dried over sodium sulfate. The solvent was then evaporated the solid was re-crystallized from chloroform to give off-white crystals of the title compound.
Hydrogen atoms were placed at calculated positions and refined as riding atoms with C—H distances of 0.95 (aryl), 0.98 (methyl) and 0.99 (methylene) Å, and Uiso(H) set to 1.2 (1.5 for methyl) Ueq(carrier atoms). A rotating group model was used for the methyl group.
We have recently reported the π interactions [C6 ···Cg = 3.8469 (19) Å where Cg is the centroid of the central benzene ring]
of the o-acetyl isomer of the title compound (Al-Mohammed et al., 2011). In the present molecule all the non-H atoms, except for C11, lie on a mirror plane and the centroid of the central benzene ring is placed on a special position of 2/m In the crystal, the molecules are linked through C—H···O bonds (Table 1) into a three-dimensional polymeric structure. The network is further consolidated by C—H···For the related structure of the o-acetyl isomer, see: Al-Mohammed et al. (2011).
Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008) and publCIF (Westrip, 2010).C24H22O4 | F(000) = 396 |
Mr = 374.42 | Dx = 1.311 Mg m−3 |
Monoclinic, C2/m | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -C 2y | Cell parameters from 1083 reflections |
a = 20.6446 (9) Å | θ = 3.1–29.5° |
b = 7.0205 (4) Å | µ = 0.09 mm−1 |
c = 6.5523 (3) Å | T = 100 K |
β = 93.083 (3)° | Plate, colorless |
V = 948.29 (8) Å3 | 0.27 × 0.15 × 0.05 mm |
Z = 2 |
Bruker APEXII CCD diffractometer | 1120 independent reflections |
Radiation source: fine-focus sealed tube | 872 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.024 |
φ and ω scans | θmax = 27.0°, θmin = 3.1° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −26→25 |
Tmin = 0.977, Tmax = 0.996 | k = −8→8 |
3981 measured reflections | l = −8→8 |
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)] = 0.040 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.107 | H-atom parameters constrained |
S = 1.05 | w = 1/[σ2(Fo2) + (0.045P)2 + 0.5308P] where P = (Fo2 + 2Fc2)/3 |
1120 reflections | (Δ/σ)max < 0.001 |
83 parameters | Δρmax = 0.26 e Å−3 |
0 restraints | Δρmin = −0.21 e Å−3 |
C24H22O4 | V = 948.29 (8) Å3 |
Mr = 374.42 | Z = 2 |
Monoclinic, C2/m | Mo Kα radiation |
a = 20.6446 (9) Å | µ = 0.09 mm−1 |
b = 7.0205 (4) Å | T = 100 K |
c = 6.5523 (3) Å | 0.27 × 0.15 × 0.05 mm |
β = 93.083 (3)° |
Bruker APEXII CCD diffractometer | 1120 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 872 reflections with I > 2σ(I) |
Tmin = 0.977, Tmax = 0.996 | Rint = 0.024 |
3981 measured reflections |
R[F2 > 2σ(F2)] = 0.040 | 0 restraints |
wR(F2) = 0.107 | H-atom parameters constrained |
S = 1.05 | Δρmax = 0.26 e Å−3 |
1120 reflections | Δρmin = −0.21 e Å−3 |
83 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) | |
O1 | 0.09646 (6) | 0.0000 | 0.6315 (2) | 0.0420 (4) | |
O2 | 0.35997 (5) | 0.0000 | 0.31330 (17) | 0.0303 (4) | |
C1 | 0.11430 (9) | 0.0000 | 0.2772 (3) | 0.0379 (5) | |
H1A | 0.1278 | −0.1190 | 0.2140 | 0.057* | 0.50 |
H1B | 0.1340 | 0.1082 | 0.2090 | 0.057* | 0.50 |
H1C | 0.0669 | 0.0109 | 0.2635 | 0.057* | 0.50 |
C2 | 0.13609 (9) | 0.0000 | 0.5003 (3) | 0.0305 (4) | |
C3 | 0.20700 (8) | 0.0000 | 0.5583 (3) | 0.0266 (4) | |
C4 | 0.22729 (9) | 0.0000 | 0.7659 (3) | 0.0366 (5) | |
H4 | 0.1961 | 0.0000 | 0.8674 | 0.044* | |
C5 | 0.29237 (9) | 0.0000 | 0.8226 (3) | 0.0383 (5) | |
H5 | 0.3058 | 0.0000 | 0.9636 | 0.046* | |
C6 | 0.33890 (8) | 0.0000 | 0.6764 (3) | 0.0294 (4) | |
H6 | 0.3838 | 0.0000 | 0.7170 | 0.035* | |
C7 | 0.31899 (8) | 0.0000 | 0.4707 (2) | 0.0255 (4) | |
C8 | 0.25302 (8) | 0.0000 | 0.4124 (3) | 0.0258 (4) | |
H8 | 0.2396 | 0.0000 | 0.2715 | 0.031* | |
C9 | 0.42832 (8) | 0.0000 | 0.3689 (3) | 0.0276 (4) | |
H9A | 0.4399 | −0.1144 | 0.4514 | 0.033* | |
C10 | 0.46469 (8) | 0.0000 | 0.1763 (3) | 0.0258 (4) | |
C11 | 0.48225 (6) | 0.1701 (2) | 0.08780 (18) | 0.0310 (3) | |
H11 | 0.4701 | 0.2875 | 0.1468 | 0.037* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0241 (7) | 0.0579 (10) | 0.0452 (8) | 0.000 | 0.0121 (6) | 0.000 |
O2 | 0.0150 (6) | 0.0586 (9) | 0.0174 (6) | 0.000 | 0.0014 (4) | 0.000 |
C1 | 0.0199 (9) | 0.0522 (14) | 0.0409 (11) | 0.000 | −0.0038 (8) | 0.000 |
C2 | 0.0220 (9) | 0.0336 (11) | 0.0365 (10) | 0.000 | 0.0055 (7) | 0.000 |
C3 | 0.0210 (9) | 0.0340 (11) | 0.0251 (9) | 0.000 | 0.0029 (7) | 0.000 |
C4 | 0.0280 (9) | 0.0587 (14) | 0.0239 (9) | 0.000 | 0.0088 (7) | 0.000 |
C5 | 0.0314 (10) | 0.0656 (15) | 0.0178 (8) | 0.000 | 0.0029 (7) | 0.000 |
C6 | 0.0210 (8) | 0.0459 (12) | 0.0211 (8) | 0.000 | −0.0008 (7) | 0.000 |
C7 | 0.0220 (8) | 0.0357 (11) | 0.0189 (8) | 0.000 | 0.0036 (6) | 0.000 |
C8 | 0.0218 (8) | 0.0355 (11) | 0.0199 (8) | 0.000 | −0.0004 (6) | 0.000 |
C9 | 0.0154 (8) | 0.0466 (12) | 0.0206 (8) | 0.000 | −0.0001 (6) | 0.000 |
C10 | 0.0145 (8) | 0.0429 (12) | 0.0200 (8) | 0.000 | −0.0003 (6) | 0.000 |
C11 | 0.0258 (6) | 0.0401 (8) | 0.0274 (7) | 0.0016 (6) | 0.0044 (5) | −0.0037 (6) |
O1—C2 | 1.218 (2) | C5—C6 | 1.393 (2) |
O2—C7 | 1.3685 (19) | C5—H5 | 0.9500 |
O2—C9 | 1.4382 (19) | C6—C7 | 1.388 (2) |
C1—C2 | 1.506 (3) | C6—H6 | 0.9500 |
C1—H1A | 0.9800 | C7—C8 | 1.394 (2) |
C1—H1B | 0.9800 | C8—H8 | 0.9500 |
C1—H1C | 0.9800 | C9—C10 | 1.503 (2) |
C2—C3 | 1.493 (2) | C9—H9A | 0.9900 |
C3—C8 | 1.383 (2) | C10—C11 | 1.3844 (16) |
C3—C4 | 1.402 (3) | C10—C11i | 1.3844 (16) |
C4—C5 | 1.375 (3) | C11—C11ii | 1.397 (2) |
C4—H4 | 0.9500 | C11—H11 | 0.9500 |
C7—O2—C9 | 116.56 (12) | C7—C6—C5 | 119.27 (16) |
C2—C1—H1A | 109.5 | C7—C6—H6 | 120.4 |
C2—C1—H1B | 109.5 | C5—C6—H6 | 120.4 |
H1A—C1—H1B | 109.5 | O2—C7—C6 | 124.68 (15) |
C2—C1—H1C | 109.5 | O2—C7—C8 | 115.34 (14) |
H1A—C1—H1C | 109.5 | C6—C7—C8 | 119.98 (15) |
H1B—C1—H1C | 109.5 | C3—C8—C7 | 120.52 (15) |
O1—C2—C3 | 120.47 (17) | C3—C8—H8 | 119.7 |
O1—C2—C1 | 120.54 (17) | C7—C8—H8 | 119.7 |
C3—C2—C1 | 118.99 (16) | O2—C9—C10 | 108.37 (13) |
C8—C3—C4 | 119.34 (16) | O2—C9—H9A | 110.0 |
C8—C3—C2 | 121.66 (16) | C10—C9—H9A | 110.0 |
C4—C3—C2 | 119.00 (16) | C11—C10—C11i | 119.26 (16) |
C5—C4—C3 | 119.93 (17) | C11—C10—C9 | 120.36 (8) |
C5—C4—H4 | 120.0 | C11i—C10—C9 | 120.36 (8) |
C3—C4—H4 | 120.0 | C10—C11—C11ii | 120.37 (8) |
C4—C5—C6 | 120.95 (17) | C10—C11—H11 | 119.8 |
C4—C5—H5 | 119.5 | C11ii—C11—H11 | 119.8 |
C6—C5—H5 | 119.5 |
Symmetry codes: (i) x, −y, z; (ii) −x+1, y, −z. |
Cg is the centroid of the central benzene ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H5···O2iii | 0.95 | 2.50 | 3.435 (2) | 170 |
C11—H11···O1iv | 0.95 | 2.54 | 3.4215 (16) | 155 |
C6—H6···Cgiii | 0.95 | 2.95 | 3.8469 (19) | 157 |
Symmetry codes: (iii) x, y, z+1; (iv) −x+1/2, y+1/2, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C24H22O4 |
Mr | 374.42 |
Crystal system, space group | Monoclinic, C2/m |
Temperature (K) | 100 |
a, b, c (Å) | 20.6446 (9), 7.0205 (4), 6.5523 (3) |
β (°) | 93.083 (3) |
V (Å3) | 948.29 (8) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.09 |
Crystal size (mm) | 0.27 × 0.15 × 0.05 |
Data collection | |
Diffractometer | Bruker APEXII CCD |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.977, 0.996 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 3981, 1120, 872 |
Rint | 0.024 |
(sin θ/λ)max (Å−1) | 0.639 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.040, 0.107, 1.05 |
No. of reflections | 1120 |
No. of parameters | 83 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.26, −0.21 |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), X-SEED (Barbour, 2001), SHELXL97 (Sheldrick, 2008) and publCIF (Westrip, 2010).
Cg is the centroid of the central benzene ring. |
D—H···A | D—H | H···A | D···A | D—H···A |
C5—H5···O2i | 0.95 | 2.50 | 3.435 (2) | 170 |
C11—H11···O1ii | 0.95 | 2.54 | 3.4215 (16) | 155 |
C6—H6···Cgi | 0.95 | 2.95 | 3.8469 (19) | 157 |
Symmetry codes: (i) x, y, z+1; (ii) −x+1/2, y+1/2, −z+1. |
Acknowledgements
The authors thank the University of Malaya for funding this study (FRGS grant No. FP001/2010 A).
References
Al-Mohammed, N. N. N., Alias, Y., Abdullah, Z. & Khaledi, H. (2011). Acta Cryst. E67, o3016. Web of Science CSD CrossRef IUCr Journals Google Scholar
Barbour, L. J. (2001). J. Supramol. Chem, 1, 189–191. CrossRef CAS Google Scholar
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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
Westrip, S. P. (2010). J. Appl. Cryst. 43, 920–925. Web of Science CrossRef CAS IUCr Journals Google Scholar
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We have recently reported the crystal structure of the o-acetyl isomer of the title compound (Al-Mohammed et al., 2011). In the present molecule all the non-H atoms, except for C11, lie on a mirror plane and the centroid of the central benzene ring is placed on a special position of 2/m site symmetry. In the crystal, the molecules are linked through C—H···O bonds (Table 1) into a three-dimensional polymeric structure. The network is further consolidated by C—H···π interactions [C6 ···Cg = 3.8469 (19) Å where Cg is the centroid of the central benzene ring]