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Modeling water clusters on cationic carbonaceous seeds

机译:模拟阳离子碳质种子上的水团簇

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摘要

The Dang-Chang many-body polarizable potential has been used to model the interaction between water molecules and a cationic carbonaceous molecule X ~+, with X = C_(60) (buckminsterfullerene), C _(24)H_(12) (coronene), or C_(20)H_(10) (corannulene). The most stable structures of (H_2O)_nX ~+, located with the basin-hopping method, consist of a water cluster next to the carbon cation but often deviate from those obtained for pure water clusters. The accuracy of the intermolecular potential is checked by performing dedicated high-level electronic structure calculations using the B97-1 density functional. Finally, some thermodynamical and dynamical manifestations of the nonwetting behavior are discussed.
机译:当场多极化极化势已用于模拟水分子与阳离子碳质分子X〜+之间的相互作用,其中X = C_(60)(buckminsterfullerene),C _(24)H_(12)(coronene )或C_(20)H_(10)(corannulene)。 (H_2O)_nX〜+的最稳定结构是采用跳槽法定位的,它由紧靠碳阳离子的水簇组成,但通常与纯水簇的结构不同。通过使用B97-1密度函数执行专用的高级电子结构计算,可以检查分子间电位的准确性。最后,讨论了非润湿行为的一些热力学和动力学表现。

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