Table 5 Correlation between the graph energy and the scaled PI index of BCZ(m, n).

From: Distance based topological characterization, graph energy prediction, and NMR patterns of benzene ring embedded in P-type surface in 2D network

(m, n)

(1,1)

(2,2)

(3,3)

(4,4)

(5,5)

(6,6)

(7,7)

(8,8)

\(r(PI^*,E_\pi\))

\(\hbox {E}_\pi\)

33.52979

137.33407

311.42037

555.78681

870.43332

1255.35988

1710.56649

2236.05317

0.999993384

\(PI^*\)

24.85714286

114.6666667

268.2608696

485.8064516

767.3333333

1112.851064

1522.363636

1995.873016

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