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Table 3 AIM Topological Parameters for the BCPs found for the conformers of 4 and 5

From: Intramolecular H-bonding interaction in angular 3-π-EWG substituted imidazo[1,2-a]pyridines contributes to conformational preference

Conformer

BCP

Interaction

ρb

∇2ρb

d (Å)

4a

A

C5-H···O=N

0.019

0.070

2.197

4a

B

Ph-H···N=O

0.015

0.050

2.337

4b

C

Ph-H···O=N

0.024

0.087

2.029

5a

D

C5-H···O=C

0.016

0.057

2.254

5a

E

Ph-H···H-CO

0.009

0.029

2.302

5b

F

C5-H···H-CO

0.012

0.043

2.027

5b

G

Ph-H···O=C

0.021

0.076

2.092

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BMC Chemistry

ISSN: 2661-801X

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