Table 9 The donor–acceptor NBO interaction and second order perturbation energy (E2) for the ADA/nanotube complexes, calculated at B3LYP-D3(BJ)/6-311G* level of theory.

From: Quantum DFT methods to explore the interaction of 1-Adamantylamine with pristine, and P, As, Al, and Ga doped BN nanotubes

System

Cite

Donor

Acceptor

E2(kcal/mol)

BNNT(5,5)

T1

BD(B–N)

BD*(B–N(mol))

14.35

T2

BD (B–N)

BD*(N–H)

1.3

T3

BD(N–B)

BD*(B–N(mol))

14.36

BD(B–N)

BD*(B–N(mol))

11.74

T4

BD(B–N)

BD*(B–N(mol))

12.86

BD(B–N)

BD*(B–N(mol))

12.51

BD(N–B)

BD*(B–N(mol))

11.83

BNNT(6,6)

BD(N–H)

LP*(B)

17.61

BD(N–H)

LP*(B)

16.90

BD(C–N)

LP*(B)

11.74

BNNT(7,7)

BD(N–H)

LP*(B)

16.53

BD(N–H)

LP*(B)

15.83

BD(C–N)

LP*(B)

10.85

BNNT(Al)

LP(Na)

LP*(Al)

85.46

LP(Na)

LP*(Al)

81.7

LP(Na)

LP*(Al)

80.77

BNNT (Ga)

LP(Na)

LP*(Ga)

122.53

LP(Na)

LP*(Ga)

121.08

LP(Na)

LP*(Ga)

118.61

LP(Na)

LP*(Ga)

72

BNNT (P)

LP(P)

BD*(B–N)

10.28

LP(P)

BD*(B–N)

10.06

BD(B–P)

BD*(N–B)

4.79

BD(B–P)

BD*(N–B)

3.68

LP(P)

BD *(N–H)

3.06

BNNT (As)

LP(As)

BD*(N–H)

1.97

LP(As)

BD*(C–H)

1.04

BD(C–H)

BD*(B–As)

0.95