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Charge Indexes. New Topological Descriptors

New topological descriptors, namely “charge indexes”, are presented in this paper. Their ability for the description of the molecular charge distribution is established by correlating them with the dipole moment of a heterogeneous set of hydrocarbons, as well as with the boiling temperature of alkanes and alcohols and the vaporization enthalpy of alkanes. Moreover, it is clearly demonstrated that this ability is higher than that shown by the x connectivity and Wiener indexes.