Croatica Chemica Acta, Vol. 77 No. 1-2, 2004.
Original scientific paper
Wiener Index of Armchair Polyhex Nanotubes
Mircea V. Diudea
; Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 3400 Cluj, Romania
Monica Stefu
; Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 3400 Cluj, Romania
Basil Pârv
; Babes-Bolyai University, Faculty of Mathematics and Computer Science, Department of Computer Science, Babes-Bolyai University, 3400 Cluj, Romania
Peter E. John
; Technical University Ilmenau, Institute of Mathematics, PSF 100565, D-98684 Ilmenau, Germany
Abstract
Formulas for calculating the sum of all distances, known as the Wiener index, in the »armchair« nanotubes are given. The same method was applied in the case of »zig-zag« tubes.
Keywords
Wiener index; armchair polyhex nanotubes
Hrčak ID:
102653
URI
Publication date:
31.5.2004.
Visits: 1.612 *