Croatica Chemica Acta, Vol. 74 No. 2, 2001.
Izvorni znanstveni članak
Randić Index of Benzenoid Systems and Phenylenes
Juan Rada
; Departamento de Matematica, Facultad de Ciencias, Universidad de Los Andes, Merida 5101, Venezuela
Oswaldo Araujo
; Departamento de Matematica, Facultad de Ciencias, Universidad de Los Andes, Merida 5101, Venezuela
Ivan Gutman
; Departamento de Matematica, Facultad de Ciencias, Universidad de Los Andes, Merida 5101, Venezuela
Sažetak
A new parameter, related to and easily determined from the structure of a benzenoid system and that of a phenylene - the number of inlets (r) - is introduced. The connectivity (Randić) index of both benzenoid systems and phenylenes is then shown to depend solely on the number of vertices and on r. A simple relation is established between the connectivity index of a phenylene and of the corresponding hexagonal squeeze. Analogous relations are reported for the edge-connectivity indices.
Ključne riječi
connectivity index; benzenoid systems; phenylenes
Hrčak ID:
131806
URI
Datum izdavanja:
2.4.2001.
Posjeta: 1.503 *