Table 6 Bond length and Wiberg bond index (WBI) for Al, Ga, P, and As-doped nanotubes before and after the adsorption of Amantadine.

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

System

State

Bond type

WBI

Length

 

pristine BNNT

B–N

0.8918

1.45

BNNT(Al)

Nanotube

Al–N1

0.5083

1.8

Al–N2

0.4784

1.76

Al–N3

0.4786

1.76

Complex

N1–H1(ADA)

0.004

2.78

BNNT(Ga)

Nanotube

Ga–N1

0.559

1.84

Ga–N2

0.559

1.8

Ga–N3

0.595

1.8

Complex

Ga–N(ADA)

0.312

2.06

H1(ADA)–N1(NT)

0.006

2.51

H2(ADA)–N2(NT)

0.004

2.66

BNNT(P)

Nanotube

P–B1

1.0403

1.96

P–B2

1.0971

1.89

P–B3

1.0971

1.89

Complex

P–H(ADA)

0.0093

2.88

BNNT(As)

Nanotube

As–B1

1.0296

2.01

As–B2

1.0865

1.96

As–B3

1.0864

1.96

Complex

As–H1(ADA)

0.0103

2.84