Table 2 Correlation coefficient (\(\vert r \vert )\) between various indices and physical property.

From: Chemical significance and degeneracy of weighted degree-based topological descriptor second Davan index for octane isomers and computation of certain nanostructures

Index

Entropy

Acentric Factor

Density

MV

\(D_2\)

0.9594

0.9778

0.7495

0.7498

\(HM_2\)

0.5088

0.3917

0.1993

0.1887

\(ReZG_3\)

0.7349

0.8096

0.7332

0.7432

SO

0.9465

0.9594

0.6182

0.6100

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