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. 2024 May 31;9(Pt 5):x240475. doi: 10.1107/S2414314624004759

2-(10-Bromo­anthracen-9-yl)-N-phenyl­aniline

Dhandayutham Saravanan a, C Ponraj a, Themmila Khamrang b, Madhukar Hemamalini c, G Jerald Maria Antony a,*
Editor: W T A Harrisond
PMCID: PMC11151289  PMID: 38846551

The N—H group of the title compound does not form a hydrogen bond due to steric hindrance.

Keywords: crystal structure, C—H⋯π inter­actions

Abstract

In the title compound, C26H18BrN, the central benzene ring makes dihedral angles with its adjacent anthracene ring system and pendant benzene ring of 87.49 (13) and 62.01 (17)°, respectively. The N—H moiety is sterically blocked from forming a hydrogen bond, but weak C—H⋯π inter­actions occur in the extended structure. graphic file with name x-09-x240475-scheme1-3D1.jpg

Structure description

Anthracene derivatives are candidates for two-dimensional mol­ecular crystals, which can show inter­esting properties with applications in electronics, biomedicine, and sensors (Yan et al., 2023). As part of our studies of anthracene derivatives, we now report the synthesis and crystal structure of the title compound, C26H18BrN, (I).

The mol­ecular structure of (I) is illustrated in Fig. 1. As expected, the anthracene (C1–C14) ring system is almost planar, with a maximum deviation of 0.039 (4) Å for atom C1. The central benzene (C15–C20) ring makes dihedral angles of 87.49 (13) and 62.01 (17)° with the anthracene ring system and the terminal C21–C26 phenyl ring, respectively. The dihedral angle between the phenyl ring and anthracene ring system is 87.92 (14)°.

Figure 1.

Figure 1

The mol­ecular structure of (I) showing displacement ellipsoids at the 50% probability level (H atoms are omitted for clarity).

In the extended structure, the N—H grouping in (I) is presumably blocked from forming a hydrogen bond due to steric reasons but two weak C—H⋯π inter­actions are observed (Table 1). The packing is illustrated in Fig. 2.

Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A D—H H⋯A DA D—H⋯A
C17—H17⋯Cg3i 0.93 2.77 3.598 (4) 148
C18—H18⋯Cg5i 0.93 2.85 3.661 (4) 146

Symmetry code: (i) Inline graphic .

Figure 2.

Figure 2

The crystal packing of (I) viewed approximately down [000].

Related structures reported in the Cambridge Structural Database (CSD, Version 5.41, updated November 2019; Groom et al., 2016) include {1-[2-(9-anthr­yl)phen­yl]-3-[2-(4-isopropyl-4,5-di­hydro-1,3-oxazol-2-yl)propan-2-yl]-1,3-di­hydro-2H-benzimidazole-2-thione}di­chloro­palladium(II) deutero­chloro­form solvate (CSD refcode BUVGEF; Gao et al. 2010), 10-bromo-2,7-di-tert-butyl-N,N-bis­(4-methyl­phen­yl) anthracen-9-amine (FEKTOG; Hoffend et al., 2012) and 9-(10′-bromo-9′-anthr­yl)carbazole (PEDSUM; Boyer et al., 1993).

Synthesis and crystallization

Following the method of Justin Thomas et al. (2005), a mixture of di­phenyl­amine (1.69 g, 10.0 mmol), sodium tert-butoxide (1.15 g, 12.0 mmol) and Pd2(dba)3 (dba = di­benzyl­ideneacetone; 23 mg, 0.10 mmol) was dissolved in dry toluene (50 ml), and 9,10-di­bromo­anthracene (3.33 g, 10.0 mmol) and 1,1′-ferrocenediyl-bis­(di­phenyl­phosphine) (0.277 g, 0.5 mmol) were added sequentially. The mixture was heated to reflux, stirred for 24 h and then cooled and 5 ml of water were added. The solution was extracted with di­chloro­methane/water. The organic layer was dried over anhydrous sodium sulfate, filtered, and dried. The residue was chromatographed through silica gel using a mixture of di­chloro­methane and hexane as the eluent to give the pure product as yellow crystals.

Refinement

Crystal data, data collection and structure refinement details are summarized in Table 2.

Table 2. Experimental details.

Crystal data
Chemical formula C26H18BrN
M r 424.32
Crystal system, space group Monoclinic, P21/c
Temperature (K) 293
a, b, c (Å) 13.0619 (17), 7.6891 (10), 20.475 (3)
β (°) 106.809 (14)
V3) 1968.6 (5)
Z 4
Radiation type Mo Kα
μ (mm−1) 2.10
Crystal size (mm) 0.48 × 0.39 × 0.30
 
Data collection
Diffractometer Agilent Xcalibur, Atlas, Gemini
Absorption correction Analytical (CrysAlis RED; Agilent, 2012)
T min, T max 0.432, 0.572
No. of measured, independent and observed [I > 2σ(I)] reflections 12046, 3999, 3115
R int 0.037
(sin θ/λ)max−1) 0.625
 
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S 0.049, 0.129, 1.05
No. of reflections 3999
No. of parameters 257
H-atom treatment H atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3) 0.81, −1.40

Computer programs: CrysAlis PRO (Agilent, 2012), SHELXT (Sheldrick, 2015a ), SHELXL2018/3 (Sheldrick, 2015b ) and PLATON (Spek, 2020).

Supplementary Material

Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S2414314624004759/hb4471sup1.cif

x-09-x240475-sup1.cif (463.1KB, cif)

Structure factors: contains datablock(s) I. DOI: 10.1107/S2414314624004759/hb4471Isup2.hkl

x-09-x240475-Isup2.hkl (318.9KB, hkl)

Supporting information file. DOI: 10.1107/S2414314624004759/hb4471Isup3.cml

CCDC reference: 2356945

Additional supporting information: crystallographic information; 3D view; checkCIF report

full crystallographic data

Crystal data

C26H18BrN F(000) = 864
Mr = 424.32 Dx = 1.432 Mg m3
Monoclinic, P21/c Mo Kα radiation, λ = 0.71073 Å
a = 13.0619 (17) Å Cell parameters from 3999 reflections
b = 7.6891 (10) Å θ = 3.4–26.4°
c = 20.475 (3) Å µ = 2.10 mm1
β = 106.809 (14)° T = 293 K
V = 1968.6 (5) Å3 Plate, yellow
Z = 4 0.48 × 0.39 × 0.30 mm

Data collection

Agilent Xcalibur, Atlas, Gemini diffractometer 3115 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube Rint = 0.037
ω scans θmax = 26.4°, θmin = 3.4°
Absorption correction: analytical (CrysAlis RED; Agilent, 2012) h = −16→14
Tmin = 0.432, Tmax = 0.572 k = −9→8
12046 measured reflections l = −25→25
3999 independent reflections

Refinement

Refinement on F2 0 restraints
Least-squares matrix: full Hydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.049 H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.129 w = 1/[σ2(Fo2) + (0.0558P)2 + 1.6534P] where P = (Fo2 + 2Fc2)/3
S = 1.05 (Δ/σ)max < 0.001
3999 reflections Δρmax = 0.81 e Å3
257 parameters Δρmin = −1.40 e Å3

Special details

Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes.
Refinement. The N-bound hydrogen atom was located in a difference map and its position was freely refined. The remaining hydrogen atoms were positioned geometrically [C—H = 0.93 Å] and were refined using a riding model, with Uiso(H) = 1.2 or 1.5Ueq(C).

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2)

x y z Uiso*/Ueq
Br1 −0.02528 (3) −0.04566 (6) 0.34351 (2) 0.0715 (2)
N1 0.4598 (2) 0.3135 (4) 0.41519 (18) 0.0577 (9)
C3 0.1079 (2) 0.2407 (4) 0.40118 (14) 0.0324 (6)
C12 0.1886 (2) 0.3680 (4) 0.40287 (14) 0.0315 (6)
C11 0.2396 (2) 0.3735 (4) 0.35115 (14) 0.0309 (6)
C5 0.1305 (2) 0.1255 (4) 0.29426 (14) 0.0321 (6)
C10 0.2127 (2) 0.2523 (4) 0.29757 (14) 0.0306 (6)
C4 0.0816 (2) 0.1236 (4) 0.34678 (15) 0.0346 (6)
C15 0.3228 (2) 0.5092 (4) 0.35332 (15) 0.0338 (6)
C9 0.2637 (2) 0.2517 (4) 0.24464 (15) 0.0396 (7)
H9 0.317747 0.331703 0.246104 0.048*
C20 0.4302 (2) 0.4749 (4) 0.38369 (16) 0.0374 (7)
C2 0.0601 (3) 0.2382 (4) 0.45579 (15) 0.0424 (7)
H2 0.007271 0.156905 0.455513 0.051*
C8 0.2351 (3) 0.1373 (4) 0.19247 (16) 0.0467 (8)
H8 0.269377 0.139879 0.158491 0.056*
C21 0.5558 (2) 0.2265 (4) 0.41906 (17) 0.0410 (7)
C13 0.2159 (3) 0.4878 (4) 0.45853 (16) 0.0426 (7)
H13 0.267045 0.573083 0.460148 0.051*
C6 0.1034 (3) 0.0083 (4) 0.23773 (16) 0.0426 (7)
H6 0.049834 −0.073800 0.234413 0.051*
C7 0.1544 (3) 0.0148 (4) 0.18900 (17) 0.0487 (8)
H7 0.135678 −0.063095 0.152715 0.058*
C16 0.2937 (3) 0.6726 (4) 0.32505 (18) 0.0478 (8)
H16 0.221626 0.697953 0.305740 0.057*
C26 0.6048 (3) 0.1311 (4) 0.47645 (18) 0.0482 (8)
H26 0.576252 0.129337 0.513136 0.058*
C18 0.4752 (3) 0.7621 (4) 0.35375 (18) 0.0501 (8)
H18 0.526590 0.845360 0.353300 0.060*
C1 0.0911 (3) 0.3530 (5) 0.50787 (16) 0.0484 (8)
H1 0.060381 0.347710 0.543532 0.058*
C19 0.5059 (3) 0.6027 (4) 0.38339 (19) 0.0492 (8)
H19 0.578117 0.579804 0.403488 0.059*
C22 0.6002 (3) 0.2280 (5) 0.36512 (19) 0.0512 (8)
H22 0.567577 0.291351 0.325915 0.061*
C17 0.3693 (3) 0.7984 (4) 0.32496 (19) 0.0545 (9)
H17 0.348321 0.906707 0.305481 0.065*
C14 0.1681 (3) 0.4789 (5) 0.50894 (17) 0.0497 (8)
H14 0.187045 0.558049 0.544786 0.060*
C23 0.6920 (3) 0.1364 (5) 0.3695 (2) 0.0620 (10)
H23 0.721646 0.139989 0.333358 0.074*
C25 0.6966 (3) 0.0379 (5) 0.4793 (3) 0.0678 (12)
H25 0.729331 −0.027472 0.517943 0.081*
C24 0.7402 (3) 0.0409 (5) 0.4254 (3) 0.0717 (12)
H24 0.801947 −0.021919 0.427468 0.086*
H55 0.425 (3) 0.265 (6) 0.435 (2) 0.073 (14)*

Atomic displacement parameters (Å2)

U11 U22 U33 U12 U13 U23
Br1 0.0704 (3) 0.0804 (3) 0.0719 (3) −0.0470 (2) 0.0336 (2) −0.0247 (2)
N1 0.0311 (15) 0.0545 (18) 0.092 (2) 0.0093 (13) 0.0244 (16) 0.0365 (17)
C3 0.0271 (14) 0.0351 (15) 0.0330 (15) 0.0021 (11) 0.0057 (11) 0.0035 (12)
C12 0.0279 (14) 0.0333 (14) 0.0306 (15) 0.0019 (11) 0.0041 (11) 0.0025 (11)
C11 0.0212 (13) 0.0327 (14) 0.0357 (15) 0.0024 (11) 0.0036 (11) 0.0057 (12)
C5 0.0284 (14) 0.0309 (14) 0.0329 (15) 0.0031 (11) 0.0024 (12) 0.0014 (11)
C10 0.0255 (13) 0.0326 (14) 0.0314 (14) 0.0047 (11) 0.0047 (11) 0.0053 (11)
C4 0.0260 (14) 0.0365 (15) 0.0378 (16) −0.0035 (12) 0.0039 (12) 0.0021 (12)
C15 0.0315 (15) 0.0330 (14) 0.0371 (16) −0.0015 (12) 0.0103 (13) 0.0024 (12)
C9 0.0374 (16) 0.0413 (17) 0.0415 (17) 0.0049 (13) 0.0136 (14) 0.0070 (13)
C20 0.0315 (15) 0.0360 (15) 0.0465 (18) 0.0015 (12) 0.0140 (13) 0.0089 (13)
C2 0.0389 (17) 0.0494 (18) 0.0401 (17) −0.0023 (14) 0.0133 (14) 0.0030 (14)
C8 0.052 (2) 0.054 (2) 0.0379 (17) 0.0078 (16) 0.0188 (15) 0.0020 (15)
C21 0.0286 (15) 0.0322 (15) 0.059 (2) −0.0012 (12) 0.0069 (14) 0.0050 (14)
C13 0.0433 (18) 0.0419 (17) 0.0410 (18) −0.0080 (14) 0.0098 (14) −0.0061 (13)
C6 0.0469 (18) 0.0389 (16) 0.0379 (17) −0.0039 (14) 0.0059 (14) −0.0037 (13)
C7 0.062 (2) 0.0439 (18) 0.0373 (18) 0.0047 (16) 0.0093 (16) −0.0058 (14)
C16 0.0389 (17) 0.0378 (17) 0.061 (2) 0.0031 (14) 0.0050 (15) 0.0133 (15)
C26 0.0388 (17) 0.0457 (18) 0.056 (2) 0.0000 (14) 0.0074 (15) 0.0072 (16)
C18 0.051 (2) 0.0384 (18) 0.065 (2) −0.0136 (15) 0.0232 (18) 0.0003 (15)
C1 0.0504 (19) 0.060 (2) 0.0377 (18) 0.0041 (16) 0.0181 (15) −0.0013 (15)
C19 0.0313 (16) 0.0508 (19) 0.066 (2) −0.0044 (14) 0.0145 (16) 0.0070 (17)
C22 0.049 (2) 0.0476 (19) 0.056 (2) −0.0016 (16) 0.0134 (17) 0.0038 (16)
C17 0.060 (2) 0.0309 (16) 0.070 (2) −0.0027 (15) 0.0140 (19) 0.0133 (16)
C14 0.057 (2) 0.054 (2) 0.0386 (18) −0.0039 (16) 0.0151 (16) −0.0098 (15)
C23 0.065 (2) 0.045 (2) 0.090 (3) −0.0036 (18) 0.043 (2) −0.009 (2)
C25 0.045 (2) 0.052 (2) 0.095 (3) 0.0124 (17) 0.002 (2) 0.024 (2)
C24 0.048 (2) 0.052 (2) 0.121 (4) 0.0122 (18) 0.035 (3) 0.006 (2)

Geometric parameters (Å, º)

Br1—C4 1.896 (3) C21—C22 1.388 (5)
N1—C20 1.401 (4) C13—C14 1.353 (5)
N1—C21 1.404 (4) C13—H13 0.9300
N1—H55 0.78 (4) C6—C7 1.352 (5)
C3—C4 1.396 (4) C6—H6 0.9300
C3—C2 1.430 (4) C7—H7 0.9300
C3—C12 1.432 (4) C16—C17 1.383 (5)
C12—C11 1.405 (4) C16—H16 0.9300
C12—C13 1.429 (4) C26—C25 1.385 (5)
C11—C10 1.405 (4) C26—H26 0.9300
C11—C15 1.497 (4) C18—C17 1.366 (5)
C5—C4 1.400 (4) C18—C19 1.375 (5)
C5—C6 1.428 (4) C18—H18 0.9300
C5—C10 1.437 (4) C1—C14 1.392 (5)
C10—C9 1.427 (4) C1—H1 0.9300
C15—C20 1.386 (4) C19—H19 0.9300
C15—C16 1.390 (4) C22—C23 1.371 (5)
C9—C8 1.351 (5) C22—H22 0.9300
C9—H9 0.9300 C17—H17 0.9300
C20—C19 1.395 (4) C14—H14 0.9300
C2—C1 1.353 (4) C23—C24 1.352 (6)
C2—H2 0.9300 C23—H23 0.9300
C8—C7 1.400 (5) C25—C24 1.381 (6)
C8—H8 0.9300 C25—H25 0.9300
C21—C26 1.376 (5) C24—H24 0.9300
C20—N1—C21 124.8 (3) C12—C13—H13 119.6
C20—N1—H55 122 (3) C7—C6—C5 121.0 (3)
C21—N1—H55 113 (3) C7—C6—H6 119.5
C4—C3—C2 123.6 (3) C5—C6—H6 119.5
C4—C3—C12 118.0 (2) C6—C7—C8 120.8 (3)
C2—C3—C12 118.4 (3) C6—C7—H7 119.6
C11—C12—C13 121.2 (3) C8—C7—H7 119.6
C11—C12—C3 120.6 (3) C17—C16—C15 121.5 (3)
C13—C12—C3 118.2 (3) C17—C16—H16 119.2
C10—C11—C12 120.1 (2) C15—C16—H16 119.2
C10—C11—C15 120.1 (2) C21—C26—C25 119.7 (4)
C12—C11—C15 119.8 (2) C21—C26—H26 120.2
C4—C5—C6 123.7 (3) C25—C26—H26 120.2
C4—C5—C10 118.1 (2) C17—C18—C19 120.2 (3)
C6—C5—C10 118.2 (3) C17—C18—H18 119.9
C11—C10—C9 121.9 (3) C19—C18—H18 119.9
C11—C10—C5 120.2 (2) C2—C1—C14 121.1 (3)
C9—C10—C5 118.0 (3) C2—C1—H1 119.5
C3—C4—C5 123.0 (3) C14—C1—H1 119.5
C3—C4—Br1 118.7 (2) C18—C19—C20 120.8 (3)
C5—C4—Br1 118.3 (2) C18—C19—H19 119.6
C20—C15—C16 118.6 (3) C20—C19—H19 119.6
C20—C15—C11 120.8 (3) C23—C22—C21 120.1 (3)
C16—C15—C11 120.6 (3) C23—C22—H22 119.9
C8—C9—C10 121.3 (3) C21—C22—H22 119.9
C8—C9—H9 119.4 C18—C17—C16 119.4 (3)
C10—C9—H9 119.4 C18—C17—H17 120.3
C15—C20—C19 119.4 (3) C16—C17—H17 120.3
C15—C20—N1 118.9 (3) C13—C14—C1 120.9 (3)
C19—C20—N1 121.7 (3) C13—C14—H14 119.5
C1—C2—C3 120.6 (3) C1—C14—H14 119.5
C1—C2—H2 119.7 C24—C23—C22 121.3 (4)
C3—C2—H2 119.7 C24—C23—H23 119.3
C9—C8—C7 120.7 (3) C22—C23—H23 119.3
C9—C8—H8 119.6 C24—C25—C26 120.7 (4)
C7—C8—H8 119.6 C24—C25—H25 119.7
C26—C21—C22 119.1 (3) C26—C25—H25 119.7
C26—C21—N1 119.3 (3) C23—C24—C25 119.1 (4)
C22—C21—N1 121.5 (3) C23—C24—H24 120.4
C14—C13—C12 120.8 (3) C25—C24—H24 120.4
C14—C13—H13 119.6
C4—C3—C12—C11 −0.2 (4) C11—C15—C20—N1 −2.8 (5)
C2—C3—C12—C11 178.7 (3) C21—N1—C20—C15 148.5 (3)
C4—C3—C12—C13 −179.9 (3) C21—N1—C20—C19 −32.9 (5)
C2—C3—C12—C13 −1.0 (4) C4—C3—C2—C1 178.5 (3)
C13—C12—C11—C10 178.9 (3) C12—C3—C2—C1 −0.3 (4)
C3—C12—C11—C10 −0.8 (4) C10—C9—C8—C7 −0.3 (5)
C13—C12—C11—C15 −1.1 (4) C20—N1—C21—C26 144.7 (4)
C3—C12—C11—C15 179.2 (2) C20—N1—C21—C22 −38.2 (5)
C12—C11—C10—C9 −179.0 (3) C11—C12—C13—C14 −178.4 (3)
C15—C11—C10—C9 1.0 (4) C3—C12—C13—C14 1.3 (5)
C12—C11—C10—C5 1.9 (4) C4—C5—C6—C7 −179.1 (3)
C15—C11—C10—C5 −178.1 (2) C10—C5—C6—C7 0.8 (4)
C4—C5—C10—C11 −2.0 (4) C5—C6—C7—C8 −0.2 (5)
C6—C5—C10—C11 178.1 (3) C9—C8—C7—C6 0.0 (5)
C4—C5—C10—C9 178.8 (2) C20—C15—C16—C17 1.9 (5)
C6—C5—C10—C9 −1.0 (4) C11—C15—C16—C17 −178.4 (3)
C2—C3—C4—C5 −178.8 (3) C22—C21—C26—C25 −0.4 (5)
C12—C3—C4—C5 0.0 (4) N1—C21—C26—C25 176.8 (3)
C2—C3—C4—Br1 1.3 (4) C3—C2—C1—C14 1.6 (5)
C12—C3—C4—Br1 −179.9 (2) C17—C18—C19—C20 1.0 (5)
C6—C5—C4—C3 −179.1 (3) C15—C20—C19—C18 0.4 (5)
C10—C5—C4—C3 1.1 (4) N1—C20—C19—C18 −178.3 (3)
C6—C5—C4—Br1 0.8 (4) C26—C21—C22—C23 −0.5 (5)
C10—C5—C4—Br1 −179.03 (19) N1—C21—C22—C23 −177.5 (3)
C10—C11—C15—C20 −86.9 (3) C19—C18—C17—C16 −0.9 (6)
C12—C11—C15—C20 93.1 (3) C15—C16—C17—C18 −0.5 (6)
C10—C11—C15—C16 93.3 (4) C12—C13—C14—C1 −0.1 (5)
C12—C11—C15—C16 −86.7 (4) C2—C1—C14—C13 −1.3 (5)
C11—C10—C9—C8 −178.3 (3) C21—C22—C23—C24 1.1 (6)
C5—C10—C9—C8 0.8 (4) C21—C26—C25—C24 0.6 (6)
C16—C15—C20—C19 −1.8 (5) C22—C23—C24—C25 −0.9 (6)
C11—C15—C20—C19 178.5 (3) C26—C25—C24—C23 0.0 (6)
C16—C15—C20—N1 176.9 (3)

Hydrogen-bond geometry (Å, º)

D—H···A D—H H···A D···A D—H···A
C17—H17···Cg3i 0.93 2.77 3.598 (4) 148
C18—H18···Cg5i 0.93 2.85 3.661 (4) 146

Symmetry code: (i) x, y+1, z.

References

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Associated Data

This section collects any data citations, data availability statements, or supplementary materials included in this article.

Supplementary Materials

Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S2414314624004759/hb4471sup1.cif

x-09-x240475-sup1.cif (463.1KB, cif)

Structure factors: contains datablock(s) I. DOI: 10.1107/S2414314624004759/hb4471Isup2.hkl

x-09-x240475-Isup2.hkl (318.9KB, hkl)

Supporting information file. DOI: 10.1107/S2414314624004759/hb4471Isup3.cml

CCDC reference: 2356945

Additional supporting information: crystallographic information; 3D view; checkCIF report


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