The so-called March model of fullerene, in which a self-consistent spherica
l distribution of pi electrons is combined with the proper nuclear-nuclear
potential energy for the correct structure, is here extended to boron cages
. The Thomas-Fermi approximation of the initial studies is here replaced by
Hartree-Fock calculations. Explicit results for B-2k and B-2k+1(+), with k
ranging from 15 to 27, are discussed and compared with calculations on sim
ilar clusters found in the literature. (C) 2001 Elsevier Science B.V. All r
ights reserved.