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Abstract A new molecular index is proposed that is derived from the eigenvalues of a modified adjacency matrix. The construction of the matrix is chemically intuitive in that its elements relate to atomic and bonding properties. The index was tested by comparing its performance in predicting the experimental LogP of 230 compounds. The predictive power of the index is shown to be both superior than and complementary to traditional connectivity indices, χ, for LogP .
Frank R. Burden (Wed,) studied this question.