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This tool calculates the distribution of N particles (from two to sixty) on the surface of a sphere. If the energy of interaction (V) between two particles (i, j) is Coulombic (i. e. V=1/Rij, where Rij is the distance between the particles), what is the distribution with the lowest energy? This tool is intended to perform the calculations required to study this sort of problem. We can regard this problem as a generalized version of the VSEPR model, which justifies the molecular structure of simple systems by the distribution of the pairs of valence electrons in the space of a central atom.
(a) Gillespie, R. J. J. Chem. Educ. 1970, 47, 18. (b) Models of molecular geometry, Gillespie R. J.; Robinson E. A. Chem. Soc. Rev. 2005, 34, 396. Ligand Close packing model: (c) Gillespie, R. J.; Robinson, E. A. Adv. Mol. Struct. Res., 1998, 4, 1. (d) Gillespie, R. J.; Heard, G. L.; Robinson, E. A. J. Mol. Struct. 1999, 485, 305. (e) Gillespie, R. J. Coord. Chem. Rev. 2000, 51, 197.
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