Journal of Cluster Science

, Volume 23, Issue 2, pp 311–324 | Cite as

The Structural Features of the Hydrated Ferrous Ion Clusters: [Fe(H2O) n ]2+ (n = 1–19)

  • X. L. Lei
  • B. C. Pan
Original Paper


The low-lying structures of the hydrated ferrous ion clusters [Fe(H2O) n ]2+ (n = 1–19) were extensively searched at the level of the density functional theory. The results show that the first hydration shell consists of six water molecules, and the second hydration shell contains seven water molecules. Furthermore, it is found that all the lowest-energy states of [Fe(H2O) n ]2+ (n = 1–19) clusters are spin quintet states. These lowest-energy states keep well even at finite temperatures. The analyses of the successive water binding energy and natural charges population on ferrous ion clearly show that the influence of ferrous ion on the surrounding water molecules goes beyond the second hydration shell.


Hydrated clusters Theoretical calculations 



This study was supported by the National Science Foundation of China (50121202 and 10964012) and by the USTC-IBM Cluster Server.

Supplementary material

10876_2011_431_MOESM1_ESM.doc (73 kb)
Supplementary material 1 (DOC 73 kb)


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Physics and Hefei National Laboratory of Physical Sciences at the MicroscaleUniversity of Science and Technology of ChinaHefeiPeople’s Republic of China
  2. 2.Department of PhysicsXinjiang Normal UniversityXinjiangPeople’s Republic of China

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