Table 7 The five best temperature-based spectral descriptors of polyacene \(P_m,~1\le m\le 10.\).

From: Novel temperature-based spectral topological indices for QSPR modeling of polyacenes in predicting physicochemical properties

Dimension \(\upsilon\)

\(E(\mathscr {R}\mathscr {S}\mathscr {T})\)

\(\rho (\mathscr {S}\mathscr {T})\)

\(E_I(\mathscr {R}\mathscr {S}\mathscr {T})\)

\(E_I(\mathscr {H}\mathscr {T}_2)\)

\(E(\mathscr {R}\mathscr {R}\mathscr {P}\mathscr {T})\)

1

8.0000

2.0000

13.6967

6.0235

4.0000

2

10.4219

2.9237

17.9811

10.0018

9.6557

3

12.2477

3.6686

21.5922

14.0001

15.3896

4

13.8147

4.2979

25.3484

18.0000

21.0727

5

15.2161

4.8501

29.1906

22.0000

26.7294

6

16.4972

5.3467

33.0815

26.0000

32.3718

7

17.6851

5.8014

37.0018

30.0000

38.0058

8

18.7977

6.2229

40.9411

34.0000

43.6344

9

19.8480

6.6175

44.8935

38.0000

49.2593

10

20.8453

6.9897

48.8551

42.0000

54.8816

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