organic compounds
E)-1-(4′-methyl-[1,1′-biphenyl]-4-yl)-3-(3-nitrophenyl)prop-2-en-1-one
of (aDepartment of Chemistry, Annamalai University, Annamalai Nagar 608 002, Tamilnadu, India, bDepartment of Physics, Kunthavai Naachiar Government Arts College (W) (Autonomous), Thanjavur 613 007, Tamilnadu, India, and cPostgraduate Research Department of Physics, Rajah Serfoji Government College (Autonomous), Thanjavur 613 005, Tamilnadu, India
*Correspondence e-mail: thiruvalluvar.a@gmail.com
In the title compound, C22H17NO3, the molecule has an E conformation about the C=C bond, and the C—C=C—C torsion angle is −177.7 (3)°. The planes of the terminal benzene rings are twisted by 41.62 (16)°, while the biphenyl unit is non-planar, the dihedral angle between the planes of the rings being 38.02 (15)°. The dihedral angle between the nitrophenyl ring and the inner benzene ring is 5.29 (16)°. In the crystal, molecules are linked by two weak C—H⋯π interactions, forming rectangular tubes propagating along the b-axis direction.
Keywords: crystal structure; chalcones; C—H⋯π interactions.
CCDC reference: 1039539
1. Related literature
For the synthesis, antimicrobial, antioxidant activities and growth and characterization of π-conjugated organic non-linear optical chalcone derivatives, see: Rajendra Prasad et al. (2008); Lahsasni et al. (2014); Prabhu et al. (2013). For the analysis of Bovine serum albumin in the presence of some phenyl-substituted see: Garg et al. (2013). For the crystal structures of related compounds, see: Shanthi et al. (2014); Vidhyasagar et al. (2015).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2004); cell APEX2 and SAINT (Bruker, 2004); data reduction: SAINT and XPREP (Bruker, 2004); program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL2014, PLATON publCIF (Westrip, 2010).
Supporting information
CCDC reference: 1039539
https://doi.org/10.1107/S2056989014027443/su5045sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989014027443/su5045Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2056989014027443/su5045Isup3.cdx
Supporting information file. DOI: https://doi.org/10.1107/S2056989014027443/su5045Isup4.cml
A mixture of 4-acetyl-4'-methylbiphenyl (3.43 g, 10 mmol) and 3-nitro benzaldehyde (1.07 g, 10 mmol) in ethanol (25 ml) in the presence of NaOH (10 ml 30%) were heated in a water bath for 30 min. and then allowed to cool. The solid that separated was filtered and recrystallized from ethanol. The yellow crystals of the title compound, used for the X-ray diffraction study, were grown by slow evaporation of a solution in acetone (yield: 2.5 g, 70%).
All H-atoms were positioned geometrically and allowed to ride on their parent atoms, with C—H = 0.93 - 0.96 Å with Uiso(H) = 1.5Ueq(C) for methyl H atoms and = 1.2Ueq(C) for other H atoms.
Synthesis and antimicrobial activity of some π conjugated organic non-linear optical chalcone derivatives were reported (Prabhu et al., 2013). The crystal structures of related compounds were reported (Shanthi et al., 2014; Vidhyasagar et al., 2015). As part of our on-going research on biphenyl chalcone derivatives, the title compound, was synthesized and its is reported on herein.
derivatives have been reported (Rajendra Prasad et al., 2008). The synthesis, characterization and evaluation of antioxidant activities of some novel chalcone analogues have been reported (Lahsasni et al., 2014). The analysis of Bovine serum albumin in the presence of some phenyl substituted have been reported (Garg et al., 2013). The growth and characterization ofIn the title compound, Fig. 1, the molecule exists as an E conformer with the C5—C7—C8—C9 torsion angle being -177.7 (3)°. In the molecule, the terminal benzene rings (C1—C6 and C16—C21) are twisted by an angle of 41.62 (16)°, while the biphenyl part (C10—C15 and C16—C21) is non-planar, the dihedral angle between the rings being 38.02 (15)°. The dihedral angle between the nitrophenyl ring (C1—C6) and the inner phenyl ring (C10—C15) is 5.29 (16)°.
In the crystal, there are two weak C3—H3···π and C21—H21···π interactions (Table 1 and Fig. 2) involving the terminal methylbenzene ring (C16—C21) and the terminal nitrobenzene ring (C1—C6), respectively. This results in the formation of rectangular tubes propagating along [010]. No classic hydrogen bonds are observed.
For the synthesis, antimicrobial, antioxidant activities and growth and characterization of π-conjugated organic non-linear optical chalcone derivatives, see: Rajendra Prasad et al. (2008); Lahsasni et al. (2014); Prabhu et al. (2013). For the analysis of Bovine serum albumin in the presence of some phenyl-substituted see: Garg et al. (2013). For the crystal structures of related compounds, see: Shanthi et al. (2014); Vidhyasagar et al. (2015).
Data collection: APEX2 (Bruker, 2004); cell
APEX2 and SAINT (Bruker, 2004); data reduction: SAINT and XPREP (Bruker, 2004); program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXL2014 (Sheldrick, 2008), PLATON (Spek, 2009) and publCIF (Westrip, 2010).C22H17NO3 | F(000) = 1440 |
Mr = 343.37 | Dx = 1.318 Mg m−3 |
Monoclinic, C2/c | Melting point: 462.3 K |
Hall symbol: -C 2yc | Mo Kα radiation, λ = 0.71073 Å |
a = 17.8214 (10) Å | Cell parameters from 5055 reflections |
b = 6.1630 (3) Å | θ = 2.4–23.5° |
c = 32.3569 (19) Å | µ = 0.09 mm−1 |
β = 103.165 (2)° | T = 293 K |
V = 3460.5 (3) Å3 | Block, yellow |
Z = 8 | 0.30 × 0.20 × 0.20 mm |
Bruker Kappa APEXII CCD diffractometer | 2902 independent reflections |
Radiation source: fine-focus sealed tube | 2058 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.053 |
ω and φ scan | θmax = 24.7°, θmin = 2.4° |
Absorption correction: multi-scan (SADABS; Bruker, 2004) | h = −20→20 |
Tmin = 0.646, Tmax = 0.745 | k = −7→7 |
17009 measured reflections | l = −37→37 |
Refinement on F2 | 0 restraints |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.067 | H-atom parameters constrained |
wR(F2) = 0.177 | w = 1/[σ2(Fo2) + (0.0622P)2 + 6.9426P] where P = (Fo2 + 2Fc2)/3 |
S = 1.08 | (Δ/σ)max < 0.001 |
2902 reflections | Δρmax = 0.37 e Å−3 |
236 parameters | Δρmin = −0.22 e Å−3 |
C22H17NO3 | V = 3460.5 (3) Å3 |
Mr = 343.37 | Z = 8 |
Monoclinic, C2/c | Mo Kα radiation |
a = 17.8214 (10) Å | µ = 0.09 mm−1 |
b = 6.1630 (3) Å | T = 293 K |
c = 32.3569 (19) Å | 0.30 × 0.20 × 0.20 mm |
β = 103.165 (2)° |
Bruker Kappa APEXII CCD diffractometer | 2902 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2004) | 2058 reflections with I > 2σ(I) |
Tmin = 0.646, Tmax = 0.745 | Rint = 0.053 |
17009 measured reflections |
R[F2 > 2σ(F2)] = 0.067 | 0 restraints |
wR(F2) = 0.177 | H-atom parameters constrained |
S = 1.08 | Δρmax = 0.37 e Å−3 |
2902 reflections | Δρmin = −0.22 e Å−3 |
236 parameters |
Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles |
x | y | z | Uiso*/Ueq | ||
O1 | 0.5576 (2) | −0.0419 (5) | −0.18992 (10) | 0.1050 (16) | |
O2 | 0.57708 (17) | 0.2525 (5) | −0.15451 (8) | 0.0826 (11) | |
O3 | 0.39470 (16) | 0.5129 (4) | 0.01333 (8) | 0.0742 (10) | |
N1 | 0.55103 (17) | 0.0708 (6) | −0.16008 (9) | 0.0619 (11) | |
C1 | 0.50961 (16) | −0.0197 (5) | −0.12946 (9) | 0.0448 (10) | |
C2 | 0.48178 (19) | −0.2286 (6) | −0.13485 (11) | 0.0571 (12) | |
C3 | 0.4412 (2) | −0.3050 (5) | −0.10630 (12) | 0.0619 (14) | |
C4 | 0.42788 (19) | −0.1752 (5) | −0.07404 (11) | 0.0543 (12) | |
C5 | 0.45527 (18) | 0.0367 (5) | −0.06918 (9) | 0.0442 (10) | |
C6 | 0.49828 (17) | 0.1111 (5) | −0.09729 (9) | 0.0427 (10) | |
C7 | 0.43736 (19) | 0.1877 (5) | −0.03729 (9) | 0.0517 (11) | |
C8 | 0.38766 (19) | 0.1586 (5) | −0.01312 (10) | 0.0524 (11) | |
C9 | 0.37335 (18) | 0.3262 (5) | 0.01629 (10) | 0.0495 (11) | |
C10 | 0.33265 (17) | 0.2675 (5) | 0.05025 (9) | 0.0411 (10) | |
C11 | 0.30439 (18) | 0.0609 (5) | 0.05492 (10) | 0.0481 (11) | |
C12 | 0.26955 (18) | 0.0165 (5) | 0.08822 (10) | 0.0479 (11) | |
C13 | 0.26254 (17) | 0.1744 (5) | 0.11789 (9) | 0.0398 (9) | |
C14 | 0.2909 (2) | 0.3785 (5) | 0.11259 (10) | 0.0527 (11) | |
C15 | 0.32487 (19) | 0.4245 (5) | 0.07947 (10) | 0.0525 (11) | |
C16 | 0.22680 (17) | 0.1252 (5) | 0.15388 (9) | 0.0411 (10) | |
C17 | 0.23877 (18) | −0.0738 (5) | 0.17499 (10) | 0.0484 (11) | |
C18 | 0.20358 (19) | −0.1232 (5) | 0.20751 (10) | 0.0527 (11) | |
C19 | 0.15524 (19) | 0.0243 (6) | 0.22083 (10) | 0.0529 (11) | |
C20 | 0.14488 (18) | 0.2233 (6) | 0.20100 (10) | 0.0542 (11) | |
C21 | 0.17998 (18) | 0.2742 (5) | 0.16818 (10) | 0.0491 (11) | |
C22 | 0.1162 (2) | −0.0328 (8) | 0.25609 (12) | 0.0813 (18) | |
H2 | 0.49001 | −0.31504 | −0.15695 | 0.0685* | |
H3 | 0.42262 | −0.44648 | −0.10885 | 0.0742* | |
H4 | 0.40014 | −0.23004 | −0.05526 | 0.0652* | |
H6 | 0.51930 | 0.24991 | −0.09416 | 0.0512* | |
H7 | 0.46418 | 0.31838 | −0.03384 | 0.0616* | |
H8 | 0.36098 | 0.02805 | −0.01481 | 0.0628* | |
H11 | 0.30885 | −0.04782 | 0.03569 | 0.0576* | |
H12 | 0.25041 | −0.12199 | 0.09077 | 0.0572* | |
H14 | 0.28687 | 0.48747 | 0.13186 | 0.0631* | |
H15 | 0.34298 | 0.56398 | 0.07669 | 0.0626* | |
H17 | 0.27127 | −0.17533 | 0.16688 | 0.0578* | |
H18 | 0.21237 | −0.25769 | 0.22078 | 0.0632* | |
H20 | 0.11360 | 0.32586 | 0.20984 | 0.0650* | |
H21 | 0.17207 | 0.41032 | 0.15553 | 0.0588* | |
H22A | 0.15172 | −0.10892 | 0.27806 | 0.1225* | |
H22B | 0.07234 | −0.12346 | 0.24514 | 0.1225* | |
H22C | 0.09953 | 0.09766 | 0.26755 | 0.1225* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.131 (3) | 0.115 (3) | 0.090 (2) | −0.020 (2) | 0.069 (2) | −0.045 (2) |
O2 | 0.102 (2) | 0.080 (2) | 0.0823 (19) | −0.0289 (17) | 0.0551 (17) | −0.0140 (16) |
O3 | 0.104 (2) | 0.0562 (16) | 0.0751 (17) | −0.0230 (15) | 0.0470 (16) | −0.0017 (13) |
N1 | 0.0566 (18) | 0.072 (2) | 0.063 (2) | −0.0032 (16) | 0.0260 (15) | −0.0152 (17) |
C1 | 0.0358 (16) | 0.051 (2) | 0.0489 (18) | 0.0039 (15) | 0.0121 (14) | −0.0019 (15) |
C2 | 0.052 (2) | 0.051 (2) | 0.067 (2) | 0.0034 (17) | 0.0106 (17) | −0.0158 (18) |
C3 | 0.062 (2) | 0.0386 (19) | 0.083 (3) | −0.0083 (17) | 0.012 (2) | −0.0014 (18) |
C4 | 0.056 (2) | 0.049 (2) | 0.058 (2) | −0.0107 (16) | 0.0130 (16) | 0.0048 (16) |
C5 | 0.0493 (18) | 0.0413 (18) | 0.0405 (16) | −0.0064 (15) | 0.0069 (14) | 0.0018 (14) |
C6 | 0.0444 (17) | 0.0391 (17) | 0.0449 (17) | −0.0019 (14) | 0.0109 (14) | −0.0005 (14) |
C7 | 0.064 (2) | 0.050 (2) | 0.0460 (18) | −0.0110 (16) | 0.0227 (16) | −0.0018 (15) |
C8 | 0.060 (2) | 0.053 (2) | 0.0498 (19) | −0.0167 (17) | 0.0244 (17) | −0.0032 (16) |
C9 | 0.053 (2) | 0.052 (2) | 0.0444 (18) | −0.0119 (16) | 0.0133 (15) | −0.0002 (15) |
C10 | 0.0451 (17) | 0.0422 (18) | 0.0381 (16) | −0.0045 (14) | 0.0139 (13) | 0.0057 (14) |
C11 | 0.058 (2) | 0.0442 (18) | 0.0455 (18) | −0.0050 (16) | 0.0189 (16) | −0.0059 (14) |
C12 | 0.057 (2) | 0.0345 (17) | 0.056 (2) | −0.0096 (15) | 0.0207 (16) | 0.0027 (14) |
C13 | 0.0437 (17) | 0.0346 (16) | 0.0430 (16) | 0.0010 (13) | 0.0136 (14) | 0.0000 (13) |
C14 | 0.074 (2) | 0.0369 (18) | 0.0525 (19) | −0.0066 (17) | 0.0257 (18) | −0.0051 (15) |
C15 | 0.069 (2) | 0.0367 (18) | 0.055 (2) | −0.0110 (16) | 0.0211 (17) | −0.0010 (15) |
C16 | 0.0449 (18) | 0.0383 (17) | 0.0405 (16) | −0.0025 (14) | 0.0109 (14) | −0.0005 (13) |
C17 | 0.055 (2) | 0.0412 (18) | 0.0533 (19) | 0.0002 (15) | 0.0214 (16) | 0.0005 (15) |
C18 | 0.063 (2) | 0.050 (2) | 0.0464 (19) | −0.0043 (17) | 0.0155 (17) | 0.0082 (15) |
C19 | 0.051 (2) | 0.064 (2) | 0.0443 (18) | −0.0056 (17) | 0.0122 (15) | −0.0019 (17) |
C20 | 0.052 (2) | 0.065 (2) | 0.0488 (19) | 0.0109 (17) | 0.0180 (16) | −0.0065 (17) |
C21 | 0.0530 (19) | 0.0433 (19) | 0.0508 (18) | 0.0059 (16) | 0.0117 (16) | 0.0006 (15) |
C22 | 0.084 (3) | 0.110 (4) | 0.059 (2) | −0.005 (3) | 0.035 (2) | 0.002 (2) |
O1—N1 | 1.217 (4) | C17—C18 | 1.376 (5) |
O2—N1 | 1.210 (5) | C18—C19 | 1.387 (5) |
O3—C9 | 1.223 (4) | C19—C20 | 1.377 (5) |
N1—C1 | 1.473 (4) | C19—C22 | 1.507 (5) |
C1—C2 | 1.376 (5) | C20—C21 | 1.386 (5) |
C1—C6 | 1.367 (4) | C2—H2 | 0.9300 |
C2—C3 | 1.379 (5) | C3—H3 | 0.9300 |
C3—C4 | 1.378 (5) | C4—H4 | 0.9300 |
C4—C5 | 1.391 (4) | C6—H6 | 0.9300 |
C5—C6 | 1.394 (4) | C7—H7 | 0.9300 |
C5—C7 | 1.477 (4) | C8—H8 | 0.9300 |
C7—C8 | 1.321 (5) | C11—H11 | 0.9300 |
C8—C9 | 1.466 (4) | C12—H12 | 0.9300 |
C9—C10 | 1.493 (4) | C14—H14 | 0.9300 |
C10—C11 | 1.390 (4) | C15—H15 | 0.9300 |
C10—C15 | 1.382 (4) | C17—H17 | 0.9300 |
C11—C12 | 1.388 (5) | C18—H18 | 0.9300 |
C12—C13 | 1.392 (4) | C20—H20 | 0.9300 |
C13—C14 | 1.381 (4) | C21—H21 | 0.9300 |
C13—C16 | 1.480 (4) | C22—H22A | 0.9600 |
C14—C15 | 1.375 (5) | C22—H22B | 0.9600 |
C16—C17 | 1.396 (4) | C22—H22C | 0.9600 |
C16—C21 | 1.389 (4) | ||
O1—N1—O2 | 122.9 (3) | C19—C20—C21 | 121.5 (3) |
O1—N1—C1 | 118.1 (3) | C16—C21—C20 | 121.1 (3) |
O2—N1—C1 | 119.0 (3) | C1—C2—H2 | 121.00 |
N1—C1—C2 | 119.4 (3) | C3—C2—H2 | 121.00 |
N1—C1—C6 | 118.2 (3) | C2—C3—H3 | 119.00 |
C2—C1—C6 | 122.4 (3) | C4—C3—H3 | 119.00 |
C1—C2—C3 | 117.6 (3) | C3—C4—H4 | 120.00 |
C2—C3—C4 | 121.1 (3) | C5—C4—H4 | 120.00 |
C3—C4—C5 | 121.0 (3) | C1—C6—H6 | 120.00 |
C4—C5—C6 | 117.8 (3) | C5—C6—H6 | 120.00 |
C4—C5—C7 | 123.0 (3) | C5—C7—H7 | 116.00 |
C6—C5—C7 | 119.1 (3) | C8—C7—H7 | 116.00 |
C1—C6—C5 | 120.1 (3) | C7—C8—H8 | 119.00 |
C5—C7—C8 | 127.5 (3) | C9—C8—H8 | 119.00 |
C7—C8—C9 | 121.9 (3) | C10—C11—H11 | 120.00 |
O3—C9—C8 | 120.6 (3) | C12—C11—H11 | 120.00 |
O3—C9—C10 | 119.9 (3) | C11—C12—H12 | 119.00 |
C8—C9—C10 | 119.5 (3) | C13—C12—H12 | 119.00 |
C9—C10—C11 | 123.4 (3) | C13—C14—H14 | 119.00 |
C9—C10—C15 | 118.4 (3) | C15—C14—H14 | 119.00 |
C11—C10—C15 | 118.2 (3) | C10—C15—H15 | 119.00 |
C10—C11—C12 | 120.2 (3) | C14—C15—H15 | 119.00 |
C11—C12—C13 | 121.6 (3) | C16—C17—H17 | 119.00 |
C12—C13—C14 | 117.3 (3) | C18—C17—H17 | 119.00 |
C12—C13—C16 | 121.4 (3) | C17—C18—H18 | 119.00 |
C14—C13—C16 | 121.3 (3) | C19—C18—H18 | 119.00 |
C13—C14—C15 | 121.6 (3) | C19—C20—H20 | 119.00 |
C10—C15—C14 | 121.3 (3) | C21—C20—H20 | 119.00 |
C13—C16—C17 | 121.3 (3) | C16—C21—H21 | 119.00 |
C13—C16—C21 | 121.7 (3) | C20—C21—H21 | 119.00 |
C17—C16—C21 | 117.0 (3) | C19—C22—H22A | 110.00 |
C16—C17—C18 | 121.5 (3) | C19—C22—H22B | 110.00 |
C17—C18—C19 | 121.1 (3) | C19—C22—H22C | 109.00 |
C18—C19—C20 | 117.8 (3) | H22A—C22—H22B | 109.00 |
C18—C19—C22 | 120.6 (3) | H22A—C22—H22C | 109.00 |
C20—C19—C22 | 121.7 (3) | H22B—C22—H22C | 109.00 |
O1—N1—C1—C2 | 1.7 (5) | C15—C10—C11—C12 | 0.0 (5) |
O1—N1—C1—C6 | −176.3 (3) | C9—C10—C15—C14 | −177.2 (3) |
O2—N1—C1—C2 | −178.1 (3) | C11—C10—C15—C14 | 0.7 (5) |
O2—N1—C1—C6 | 3.9 (5) | C10—C11—C12—C13 | −0.7 (5) |
N1—C1—C2—C3 | −178.0 (3) | C11—C12—C13—C14 | 0.8 (5) |
C6—C1—C2—C3 | 0.0 (5) | C11—C12—C13—C16 | −178.7 (3) |
N1—C1—C6—C5 | 176.0 (3) | C12—C13—C14—C15 | −0.1 (5) |
C2—C1—C6—C5 | −1.9 (5) | C16—C13—C14—C15 | 179.3 (3) |
C1—C2—C3—C4 | 1.2 (5) | C12—C13—C16—C17 | 37.9 (4) |
C2—C3—C4—C5 | −0.3 (5) | C12—C13—C16—C21 | −142.1 (3) |
C3—C4—C5—C6 | −1.7 (5) | C14—C13—C16—C17 | −141.5 (3) |
C3—C4—C5—C7 | 175.0 (3) | C14—C13—C16—C21 | 38.5 (5) |
C4—C5—C6—C1 | 2.7 (5) | C13—C14—C15—C10 | −0.6 (5) |
C7—C5—C6—C1 | −174.1 (3) | C13—C16—C17—C18 | −177.7 (3) |
C4—C5—C7—C8 | −8.8 (5) | C21—C16—C17—C18 | 2.3 (5) |
C6—C5—C7—C8 | 167.9 (3) | C13—C16—C21—C20 | 177.9 (3) |
C5—C7—C8—C9 | −177.7 (3) | C17—C16—C21—C20 | −2.1 (5) |
C7—C8—C9—O3 | 15.0 (5) | C16—C17—C18—C19 | −0.6 (5) |
C7—C8—C9—C10 | −164.7 (3) | C17—C18—C19—C20 | −1.3 (5) |
O3—C9—C10—C11 | 177.9 (3) | C17—C18—C19—C22 | 179.2 (3) |
O3—C9—C10—C15 | −4.4 (5) | C18—C19—C20—C21 | 1.4 (5) |
C8—C9—C10—C11 | −2.4 (5) | C22—C19—C20—C21 | −179.1 (3) |
C8—C9—C10—C15 | 175.3 (3) | C19—C20—C21—C16 | 0.3 (5) |
C9—C10—C11—C12 | 177.7 (3) |
Cg1 and Cg3 are the centroids of rings C1–C6 and C16–C21, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···Cg3i | 0.93 | 2.99 | 3.531 (4) | 119 |
C21—H21···Cg1ii | 0.93 | 2.94 | 3.607 (3) | 129 |
Symmetry codes: (i) −x+1/2, −y−1/2, −z; (ii) −x+1/2, −y+1/2, −z. |
Cg1 and Cg3 are the centroids of rings C1–C6 and C16–C21, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H3···Cg3i | 0.93 | 2.99 | 3.531 (4) | 119 |
C21—H21···Cg1ii | 0.93 | 2.94 | 3.607 (3) | 129 |
Symmetry codes: (i) −x+1/2, −y−1/2, −z; (ii) −x+1/2, −y+1/2, −z. |
Acknowledgements
The authors are grateful to the Sophisticated Analytical Instrument Facility (SAIF), IITM, Chennai 600 036, Tamilnadu, India, for the single-crystal X-ray data.
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Synthesis and antimicrobial activity of some chalcones derivatives have been reported (Rajendra Prasad et al., 2008). The synthesis, characterization and evaluation of antioxidant activities of some novel chalcone analogues have been reported (Lahsasni et al., 2014). The analysis of Bovine serum albumin in the presence of some phenyl substituted chalcones have been reported (Garg et al., 2013). The growth and characterization of π conjugated organic non-linear optical chalcone derivatives were reported (Prabhu et al., 2013). The crystal structures of related compounds were reported (Shanthi et al., 2014; Vidhyasagar et al., 2015). As part of our on-going research on biphenyl chalcone derivatives, the title compound, was synthesized and its crystal structure is reported on herein.
In the title compound, Fig. 1, the molecule exists as an E conformer with the C5—C7—C8—C9 torsion angle being -177.7 (3)°. In the molecule, the terminal benzene rings (C1—C6 and C16—C21) are twisted by an angle of 41.62 (16)°, while the biphenyl part (C10—C15 and C16—C21) is non-planar, the dihedral angle between the rings being 38.02 (15)°. The dihedral angle between the nitrophenyl ring (C1—C6) and the inner phenyl ring (C10—C15) is 5.29 (16)°.
In the crystal, there are two weak C3—H3···π and C21—H21···π interactions (Table 1 and Fig. 2) involving the terminal methylbenzene ring (C16—C21) and the terminal nitrobenzene ring (C1—C6), respectively. This results in the formation of rectangular tubes propagating along [010]. No classic hydrogen bonds are observed.