Quantum chemical calculations are performed to gauge the effect of cation-pi and hydrogen bonding interactions on each other. M-phenol-acceptor (M = Li (+) and Mg (2+); acceptor = H(2)O, HCOOH, HCN, CH(3)OH, HCONH(2) and NH(3)) is taken as a model ternary system that exhibits the cation-pi and hydrogen bonding interactions. Cooperativity is quantified and the computed positive cooperativity between cation-pi and hydrogen bonding interactions is rationalized through reduced variational space (RVS) and charge analyses.
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Vijay et al. (2008) studied this question.
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