organic compounds
E)-2-(4-methylphenyl)ethenyl]cyclohex-2-en-1-one
of 5-(4-methylphenyl)-3-[(aDepartment of Chemistry, Tulane University, New Orleans, LA 70118, USA, bChemistry and Environmental Division, Manchester Metropolitan University, Manchester M1 5GD, England, cChemistry Department, Faculty of Science, Minia University, 61519 El-Minia, Egypt, dDepartment of Physics, Faculty of Sciences, Erciyes University, 38039 Kayseri, Turkey, eDepartment of Chemistry, Faculty of Science, Sohag University, 82524 Sohag, Egypt, and fKirkuk University, College of Science, Department of Chemistry, Kirkuk, Iraq
*Correspondence e-mail: shaabankamel@yahoo.com
In the title compound, C22H22O, the dihedral angle between the planes of the benzene rings is 53.55 (7)°. Weak C—H⋯O interactions help to direct the packing, forming sheets lying parallel to (020).
CCDC reference: 1062089
1. Related literature
For the synthesis of cyclohexenones and their use as synthons, see: Mayekar et al. (2010); Suwito et al. (2014); Tabba et al. (1995); Bella et al. (2012); Xing et al. (2010); Martin & Prasad (2006). For various biological activities of cyclohexenone derivatives, see: Prasad et al. (2006); Kumar et al. (2003); Tatsuzaki et al. (2006); Yun et al. (2006); Kim et al. (2008); Yoon et al. (2007); Tanaka et al. (1997); Vyas et al. (2009). For the use of cyclohexenones as intermediates in synthesis, see: Mayekar et al. (2010); Bella et al. (2012); Xing et al. (2010); Martin & Prasad (2006). For the bioactivity of dehydrozingerone, chalcone and isoeugenol derivatives, see: Tatsuzaki et al. (2006).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2014); cell SAINT (Bruker, 2014); data reduction: SAINT; program(s) used to solve structure: SHELXT (Sheldrick, 2015a); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015b); molecular graphics: DIAMOND (Brandenburg & Putz, 2012); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
Supporting information
CCDC reference: 1062089
10.1107/S2056989015008324/lr2135sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S2056989015008324/lr2135Isup2.hkl
Supporting information file. DOI: 10.1107/S2056989015008324/lr2135Isup3.cml
From a chemical point of view, the most commonly used method for preparation of polyfunctionalized cyclohexenones is the Michael addition of carbanions to α,β-unsaturated in presence of basic catalysts (Mayekar et al., 2010; Suwito et al., 2014; Tabba et al., 1995). Cyclohexenones have been considered as efficient synthons in building spiranic compounds (Mayekar et al., 2010) or intermediates in the synthesis of fused heterocycles such as benzoselenadiazoles and benzothiazoles (Bella et al., 2012), benzopyrazoles (Xing et al., 2010) or carbazole derivatives (Martin & Prasad, 2006). The existence of the α,β-unsaturated ketone moiety is a common feature of a large number of biologically active compounds which exhibit diverse pharmacological effects such as anti-microbial (Prasad et al., 2006), anti-tumor (Kumar et al., 2003), anti-cancer (Tatsuzaki et al., 2006; Yun et al., 2006) and radical scavenger activities (Kim et al., 2008) as well as being inhibitors of topoisomerase I (Yoon et al., 2007). Cyclohexenone derivatives, in particular, are well known lead molecules for the treatment of inflammation and autoimmune diseases (Tanaka et al., 1997). Several reports have pointed out the importance of cyclohexenones for anti-microbial and anti-tubercular activity (Vyas et al., 2009).
In the title compound (Fig. 1), the dihedral angle between the phenyl rings is 53.55 (7)°. Weak C6—H6A···O1i (i: x + 1, y, z) interactions help to direct the packing (Fig. 2 and Table 1).
In 30 ml of methanol, a mixture of 1 mmol (262 mg) of (1Z,4E)-1,5-bis(4-methylphenyl)penta-1,4-dien-3-one and 1 mmol (100 mg) of acetylacetone was refluxed for 5 h in the presence of 10 mg of sodium methoxide. The resulting solid product was collected, filtered under vacuum, washed with cold ethanol and recrystallized from ethanol to afford colourless columns which were suitable for X-ray diffraction. Mp. 371 K.
Crystal data, data collection and structure
details are summarized in Table 1. H-atoms were placed in calculated positions (C—H = 0.95 - 0.98 Å) and included as riding contributions with isotropic displacement parameters 1.2 - 1.5 times those of the attached carbon atoms. The 020 reflection was omitted from the final as it was partially obscured by the beamstop.Data collection: APEX2 (Bruker, 2014); cell
SAINT (Bruker, 2014); data reduction: SAINT (Bruker, 2014); program(s) used to solve structure: SHELXT (Sheldrick, 2015a); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015b); molecular graphics: DIAMOND (Brandenburg & Putz, 2012); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. The title molecule with labeling scheme and 50% probability ellipsoids. | |
Fig. 2. Packing viewed towards the (102)plane. Weak C—H···O interactions are shown as dotted lines. |
C22H22O | F(000) = 648 |
Mr = 302.39 | Dx = 1.192 Mg m−3 |
Monoclinic, P21/c | Cu Kα radiation, λ = 1.54178 Å |
a = 4.9614 (1) Å | Cell parameters from 7504 reflections |
b = 30.7302 (6) Å | θ = 2.9–72.6° |
c = 11.0726 (2) Å | µ = 0.55 mm−1 |
β = 93.268 (1)° | T = 150 K |
V = 1685.44 (6) Å3 | Column, colourless |
Z = 4 | 0.31 × 0.11 × 0.08 mm |
Bruker D8 VENTURE PHOTON 100 CMOS diffractometer | 3247 independent reflections |
Radiation source: INCOATEC IµS micro-focus source | 2529 reflections with I > 2σ(I) |
Mirror monochromator | Rint = 0.042 |
Detector resolution: 10.4167 pixels mm-1 | θmax = 72.4°, θmin = 4.3° |
ω scans | h = −5→6 |
Absorption correction: multi-scan (SADABS; Bruker, 2014) | k = −38→36 |
Tmin = 0.84, Tmax = 0.96 | l = −11→13 |
12558 measured reflections |
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)] = 0.050 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.131 | H-atom parameters constrained |
S = 1.05 | w = 1/[σ2(Fo2) + (0.0579P)2 + 0.6292P] where P = (Fo2 + 2Fc2)/3 |
3247 reflections | (Δ/σ)max = 0.001 |
210 parameters | Δρmax = 0.35 e Å−3 |
0 restraints | Δρmin = −0.19 e Å−3 |
C22H22O | V = 1685.44 (6) Å3 |
Mr = 302.39 | Z = 4 |
Monoclinic, P21/c | Cu Kα radiation |
a = 4.9614 (1) Å | µ = 0.55 mm−1 |
b = 30.7302 (6) Å | T = 150 K |
c = 11.0726 (2) Å | 0.31 × 0.11 × 0.08 mm |
β = 93.268 (1)° |
Bruker D8 VENTURE PHOTON 100 CMOS diffractometer | 3247 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2014) | 2529 reflections with I > 2σ(I) |
Tmin = 0.84, Tmax = 0.96 | Rint = 0.042 |
12558 measured reflections |
R[F2 > 2σ(F2)] = 0.050 | 0 restraints |
wR(F2) = 0.131 | H-atom parameters constrained |
S = 1.05 | Δρmax = 0.35 e Å−3 |
3247 reflections | Δρmin = −0.19 e Å−3 |
210 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. H-atoms were placed in calculated positions (C—H = 0.95 - 0.98 Å) and included as riding contributions with isotropic displacement parameters 1.2 - 1.5 times those of the attached carbon atoms. |
x | y | z | Uiso*/Ueq | ||
O1 | −0.2370 (3) | 0.78680 (4) | 0.50574 (12) | 0.0422 (3) | |
C1 | −0.0733 (4) | 0.77848 (6) | 0.42988 (16) | 0.0324 (4) | |
C2 | −0.0376 (4) | 0.73445 (6) | 0.38590 (16) | 0.0320 (4) | |
H2 | −0.1435 | 0.7119 | 0.4177 | 0.038* | |
C3 | 0.1391 (3) | 0.72401 (5) | 0.30189 (15) | 0.0280 (4) | |
C4 | 0.2939 (4) | 0.75888 (5) | 0.23953 (15) | 0.0298 (4) | |
H4A | 0.2923 | 0.7521 | 0.1521 | 0.036* | |
H4B | 0.4841 | 0.7583 | 0.2718 | 0.036* | |
C5 | 0.1810 (4) | 0.80493 (6) | 0.25518 (16) | 0.0331 (4) | |
H5 | 0.0083 | 0.8068 | 0.2043 | 0.040* | |
C6 | 0.1127 (4) | 0.81281 (6) | 0.38459 (17) | 0.0369 (4) | |
H6A | 0.2814 | 0.8132 | 0.4368 | 0.044* | |
H6B | 0.0257 | 0.8417 | 0.3905 | 0.044* | |
C7 | 0.1933 (4) | 0.67865 (6) | 0.27681 (16) | 0.0313 (4) | |
H7 | 0.0800 | 0.6575 | 0.3107 | 0.038* | |
C8 | 0.3907 (4) | 0.66425 (5) | 0.20954 (15) | 0.0295 (4) | |
H8 | 0.4884 | 0.6858 | 0.1686 | 0.035* | |
C9 | 0.4725 (3) | 0.61914 (6) | 0.19209 (15) | 0.0296 (4) | |
C10 | 0.3664 (4) | 0.58378 (6) | 0.25307 (18) | 0.0389 (4) | |
H10 | 0.2265 | 0.5885 | 0.3067 | 0.047* | |
C11 | 0.4619 (4) | 0.54214 (6) | 0.23644 (18) | 0.0392 (4) | |
H11 | 0.3877 | 0.5188 | 0.2800 | 0.047* | |
C12 | 0.6632 (4) | 0.53343 (6) | 0.15784 (17) | 0.0355 (4) | |
C13 | 0.7678 (4) | 0.56848 (6) | 0.09696 (17) | 0.0394 (5) | |
H13 | 0.9057 | 0.5635 | 0.0424 | 0.047* | |
C14 | 0.6762 (4) | 0.61052 (6) | 0.11375 (16) | 0.0341 (4) | |
H14 | 0.7534 | 0.6338 | 0.0712 | 0.041* | |
C15 | 0.7656 (5) | 0.48793 (6) | 0.1393 (2) | 0.0466 (5) | |
H15A | 0.7277 | 0.4700 | 0.2095 | 0.070* | |
H15B | 0.9608 | 0.4888 | 0.1300 | 0.070* | |
H15C | 0.6750 | 0.4754 | 0.0664 | 0.070* | |
C16 | 0.3727 (4) | 0.83857 (5) | 0.20647 (15) | 0.0310 (4) | |
C17 | 0.4337 (4) | 0.83682 (6) | 0.08492 (16) | 0.0348 (4) | |
H17 | 0.3555 | 0.8146 | 0.0345 | 0.042* | |
C18 | 0.6061 (4) | 0.86683 (6) | 0.03656 (16) | 0.0357 (4) | |
H18 | 0.6431 | 0.8648 | −0.0465 | 0.043* | |
C19 | 0.7260 (4) | 0.89973 (6) | 0.10667 (17) | 0.0339 (4) | |
C20 | 0.6674 (4) | 0.90135 (6) | 0.22736 (18) | 0.0394 (4) | |
H20 | 0.7471 | 0.9234 | 0.2777 | 0.047* | |
C21 | 0.4943 (4) | 0.87140 (6) | 0.27656 (17) | 0.0378 (4) | |
H21 | 0.4585 | 0.8734 | 0.3597 | 0.045* | |
C22 | 0.9152 (4) | 0.93214 (7) | 0.0529 (2) | 0.0450 (5) | |
H22A | 1.1003 | 0.9209 | 0.0606 | 0.068* | |
H22B | 0.9060 | 0.9599 | 0.0960 | 0.068* | |
H22C | 0.8619 | 0.9366 | −0.0328 | 0.068* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0419 (8) | 0.0429 (7) | 0.0440 (8) | 0.0040 (6) | 0.0210 (6) | −0.0051 (6) |
C1 | 0.0284 (9) | 0.0378 (10) | 0.0315 (9) | 0.0061 (7) | 0.0061 (7) | 0.0004 (7) |
C2 | 0.0292 (9) | 0.0332 (9) | 0.0344 (9) | 0.0010 (7) | 0.0078 (7) | 0.0028 (7) |
C3 | 0.0261 (8) | 0.0302 (9) | 0.0277 (9) | 0.0019 (7) | 0.0017 (6) | 0.0011 (6) |
C4 | 0.0315 (9) | 0.0296 (9) | 0.0287 (9) | 0.0011 (7) | 0.0067 (7) | −0.0015 (6) |
C5 | 0.0362 (9) | 0.0314 (9) | 0.0323 (9) | 0.0015 (7) | 0.0074 (7) | −0.0021 (7) |
C6 | 0.0390 (10) | 0.0312 (9) | 0.0417 (10) | 0.0040 (8) | 0.0116 (8) | −0.0033 (7) |
C7 | 0.0325 (9) | 0.0292 (9) | 0.0329 (9) | −0.0021 (7) | 0.0076 (7) | 0.0017 (7) |
C8 | 0.0340 (9) | 0.0285 (8) | 0.0263 (8) | −0.0009 (7) | 0.0051 (7) | 0.0002 (6) |
C9 | 0.0326 (9) | 0.0289 (9) | 0.0276 (9) | −0.0004 (7) | 0.0038 (7) | −0.0006 (6) |
C10 | 0.0439 (11) | 0.0328 (9) | 0.0417 (10) | −0.0010 (8) | 0.0176 (8) | −0.0004 (8) |
C11 | 0.0471 (11) | 0.0299 (9) | 0.0415 (11) | −0.0027 (8) | 0.0109 (8) | 0.0032 (7) |
C12 | 0.0420 (10) | 0.0287 (9) | 0.0354 (10) | 0.0038 (8) | −0.0006 (8) | −0.0027 (7) |
C13 | 0.0438 (11) | 0.0358 (10) | 0.0401 (10) | 0.0053 (8) | 0.0150 (8) | −0.0029 (8) |
C14 | 0.0402 (10) | 0.0306 (9) | 0.0326 (9) | −0.0001 (7) | 0.0115 (8) | 0.0010 (7) |
C15 | 0.0545 (13) | 0.0334 (10) | 0.0522 (13) | 0.0081 (9) | 0.0064 (10) | −0.0006 (9) |
C16 | 0.0358 (9) | 0.0267 (8) | 0.0309 (9) | 0.0027 (7) | 0.0069 (7) | −0.0011 (7) |
C17 | 0.0418 (10) | 0.0309 (9) | 0.0321 (9) | −0.0019 (8) | 0.0058 (7) | −0.0044 (7) |
C18 | 0.0418 (10) | 0.0350 (10) | 0.0312 (9) | 0.0033 (8) | 0.0102 (8) | 0.0012 (7) |
C19 | 0.0322 (9) | 0.0305 (9) | 0.0396 (10) | 0.0032 (7) | 0.0077 (7) | 0.0023 (7) |
C20 | 0.0435 (11) | 0.0352 (10) | 0.0399 (11) | −0.0067 (8) | 0.0064 (8) | −0.0068 (8) |
C21 | 0.0468 (11) | 0.0361 (10) | 0.0315 (10) | −0.0041 (8) | 0.0099 (8) | −0.0056 (7) |
C22 | 0.0444 (12) | 0.0414 (11) | 0.0506 (12) | −0.0057 (9) | 0.0143 (9) | 0.0013 (9) |
O1—C1 | 1.228 (2) | C11—H11 | 0.9500 |
C1—C2 | 1.452 (2) | C12—C13 | 1.387 (3) |
C1—C6 | 1.506 (3) | C12—C15 | 1.506 (2) |
C2—C3 | 1.352 (2) | C13—C14 | 1.386 (2) |
C2—H2 | 0.9500 | C13—H13 | 0.9500 |
C3—C7 | 1.450 (2) | C14—H14 | 0.9500 |
C3—C4 | 1.508 (2) | C15—H15A | 0.9800 |
C4—C5 | 1.535 (2) | C15—H15B | 0.9800 |
C4—H4A | 0.9900 | C15—H15C | 0.9800 |
C4—H4B | 0.9900 | C16—C21 | 1.390 (3) |
C5—C6 | 1.511 (2) | C16—C17 | 1.397 (2) |
C5—C16 | 1.524 (2) | C17—C18 | 1.386 (3) |
C5—H5 | 1.0000 | C17—H17 | 0.9500 |
C6—H6A | 0.9900 | C18—C19 | 1.388 (3) |
C6—H6B | 0.9900 | C18—H18 | 0.9500 |
C7—C8 | 1.339 (2) | C19—C20 | 1.385 (3) |
C7—H7 | 0.9500 | C19—C22 | 1.514 (3) |
C8—C9 | 1.460 (2) | C20—C21 | 1.391 (3) |
C8—H8 | 0.9500 | C20—H20 | 0.9500 |
C9—C14 | 1.394 (2) | C21—H21 | 0.9500 |
C9—C10 | 1.398 (2) | C22—H22A | 0.9800 |
C10—C11 | 1.381 (3) | C22—H22B | 0.9800 |
C10—H10 | 0.9500 | C22—H22C | 0.9800 |
C11—C12 | 1.388 (3) | ||
O1—C1—C2 | 121.44 (16) | C12—C11—H11 | 119.1 |
O1—C1—C6 | 121.55 (16) | C13—C12—C11 | 117.25 (16) |
C2—C1—C6 | 116.89 (15) | C13—C12—C15 | 121.09 (17) |
C3—C2—C1 | 123.22 (16) | C11—C12—C15 | 121.66 (17) |
C3—C2—H2 | 118.4 | C14—C13—C12 | 121.60 (17) |
C1—C2—H2 | 118.4 | C14—C13—H13 | 119.2 |
C2—C3—C7 | 119.64 (15) | C12—C13—H13 | 119.2 |
C2—C3—C4 | 120.88 (15) | C13—C14—C9 | 121.04 (16) |
C7—C3—C4 | 119.37 (14) | C13—C14—H14 | 119.5 |
C3—C4—C5 | 113.86 (14) | C9—C14—H14 | 119.5 |
C3—C4—H4A | 108.8 | C12—C15—H15A | 109.5 |
C5—C4—H4A | 108.8 | C12—C15—H15B | 109.5 |
C3—C4—H4B | 108.8 | H15A—C15—H15B | 109.5 |
C5—C4—H4B | 108.8 | C12—C15—H15C | 109.5 |
H4A—C4—H4B | 107.7 | H15A—C15—H15C | 109.5 |
C6—C5—C16 | 113.91 (15) | H15B—C15—H15C | 109.5 |
C6—C5—C4 | 110.97 (14) | C21—C16—C17 | 117.07 (16) |
C16—C5—C4 | 110.25 (14) | C21—C16—C5 | 123.69 (16) |
C6—C5—H5 | 107.1 | C17—C16—C5 | 119.24 (16) |
C16—C5—H5 | 107.1 | C18—C17—C16 | 121.24 (17) |
C4—C5—H5 | 107.1 | C18—C17—H17 | 119.4 |
C1—C6—C5 | 112.23 (15) | C16—C17—H17 | 119.4 |
C1—C6—H6A | 109.2 | C17—C18—C19 | 121.53 (17) |
C5—C6—H6A | 109.2 | C17—C18—H18 | 119.2 |
C1—C6—H6B | 109.2 | C19—C18—H18 | 119.2 |
C5—C6—H6B | 109.2 | C20—C19—C18 | 117.33 (17) |
H6A—C6—H6B | 107.9 | C20—C19—C22 | 121.69 (17) |
C8—C7—C3 | 125.02 (16) | C18—C19—C22 | 120.98 (17) |
C8—C7—H7 | 117.5 | C19—C20—C21 | 121.51 (17) |
C3—C7—H7 | 117.5 | C19—C20—H20 | 119.2 |
C7—C8—C9 | 127.22 (16) | C21—C20—H20 | 119.2 |
C7—C8—H8 | 116.4 | C16—C21—C20 | 121.32 (17) |
C9—C8—H8 | 116.4 | C16—C21—H21 | 119.3 |
C14—C9—C10 | 117.34 (16) | C20—C21—H21 | 119.3 |
C14—C9—C8 | 118.65 (15) | C19—C22—H22A | 109.5 |
C10—C9—C8 | 123.97 (16) | C19—C22—H22B | 109.5 |
C11—C10—C9 | 120.96 (17) | H22A—C22—H22B | 109.5 |
C11—C10—H10 | 119.5 | C19—C22—H22C | 109.5 |
C9—C10—H10 | 119.5 | H22A—C22—H22C | 109.5 |
C10—C11—C12 | 121.80 (17) | H22B—C22—H22C | 109.5 |
C10—C11—H11 | 119.1 | ||
O1—C1—C2—C3 | 179.54 (18) | C10—C11—C12—C15 | −179.6 (2) |
C6—C1—C2—C3 | −4.5 (3) | C11—C12—C13—C14 | 0.1 (3) |
C1—C2—C3—C7 | 170.34 (16) | C15—C12—C13—C14 | −179.66 (19) |
C1—C2—C3—C4 | −5.8 (3) | C12—C13—C14—C9 | −0.6 (3) |
C2—C3—C4—C5 | −14.9 (2) | C10—C9—C14—C13 | 0.3 (3) |
C7—C3—C4—C5 | 169.05 (15) | C8—C9—C14—C13 | 177.83 (17) |
C3—C4—C5—C6 | 44.1 (2) | C6—C5—C16—C21 | 5.5 (3) |
C3—C4—C5—C16 | 171.31 (15) | C4—C5—C16—C21 | −120.04 (19) |
O1—C1—C6—C5 | −149.12 (18) | C6—C5—C16—C17 | −174.85 (17) |
C2—C1—C6—C5 | 34.9 (2) | C4—C5—C16—C17 | 59.6 (2) |
C16—C5—C6—C1 | −179.03 (15) | C21—C16—C17—C18 | −0.6 (3) |
C4—C5—C6—C1 | −53.9 (2) | C5—C16—C17—C18 | 179.74 (17) |
C2—C3—C7—C8 | −169.72 (18) | C16—C17—C18—C19 | 0.2 (3) |
C4—C3—C7—C8 | 6.4 (3) | C17—C18—C19—C20 | 0.2 (3) |
C3—C7—C8—C9 | 172.86 (17) | C17—C18—C19—C22 | 179.64 (18) |
C7—C8—C9—C14 | 177.15 (18) | C18—C19—C20—C21 | −0.3 (3) |
C7—C8—C9—C10 | −5.5 (3) | C22—C19—C20—C21 | −179.72 (19) |
C14—C9—C10—C11 | 0.4 (3) | C17—C16—C21—C20 | 0.5 (3) |
C8—C9—C10—C11 | −176.95 (18) | C5—C16—C21—C20 | −179.83 (18) |
C9—C10—C11—C12 | −0.9 (3) | C19—C20—C21—C16 | 0.0 (3) |
C10—C11—C12—C13 | 0.6 (3) |
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H6A···O1i | 0.99 | 2.60 | 3.515 (2) | 154 |
C8—H8···O1ii | 0.95 | 2.47 | 3.353 (2) | 155 |
C14—H14···O1ii | 0.95 | 2.55 | 3.410 (2) | 151 |
Symmetry codes: (i) x+1, y, z; (ii) x+1, −y+3/2, z−1/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H6A···O1i | 0.99 | 2.60 | 3.515 (2) | 154 |
C8—H8···O1ii | 0.95 | 2.47 | 3.353 (2) | 155 |
C14—H14···O1ii | 0.95 | 2.55 | 3.410 (2) | 151 |
Symmetry codes: (i) x+1, y, z; (ii) x+1, −y+3/2, z−1/2. |
Acknowledgements
The support of NSF–MRI grant No. 1228232 for the purchase of the diffractometer and Tulane University for support of the Tulane Crystallography Laboratory are gratefully acknowledged.
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