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Table 2 Hydrogen-bond geometry (Å, °) of 3

From: Structural and spectral investigations of the recently synthesized chalcone (E)-3-mesityl-1-(naphthalen-2-yl) prop-2-en-1-one, a potential chemotherapeutic agent

D—H · · · A

D—H

H · · · A

D · · · A

D—H · · · A

C2—H2A · · · Cg2i

0.9300

2.92

3.7101 (17)

143

C4—H4A · · · Cg1i

0.9300

2.59

3.3807 (17)

143

C16—H16A · · · Cg1ii

0.9300

2.98

3.5506 (17)

121

C21—H21C · · · Cg2ii

0.9600

2.84

3.624 (2)

140

C22—H22B · · · Cg3iii

0.9600

2.83

3.754 (2)

162

  1. Symmetry code: (i) 1-X,1-Y,-1/2 + Z. (ii) 1/2-X,Y,1/2 + Z. (iii) 1/2-X,Y,-1/2 + Z
  2. Cg1 is the centroid of the C1–C3/C8–C10 ring, Cg2 is the centroid of the C3–C8 ring and Cg3 is the centroid of the C14–C19 ring. No significant hydrogen bonds were found