期刊
JOURNAL OF CHEMICAL PHYSICS
卷 130, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3094320
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资金
- Deutsche Forschungsgemeinschaft (DFG)
- Bundesministerium fur Bildung und Forschung (BMBF)
The structures and energetics of small tin cluster Sn(n)(-) anions up to n=15 were determined by a combination of density-functional theory and three different experimental methods: Ion mobility spectrometry, trapped ion electron diffraction, and collision induced dissociation. We find compact, quasispherical structures up to n=12. Sn(12)(-) is a slightly distorted hollow icosahedron while Sn(13)(-) to Sn(15)(-) have prolate structures, consisting of merged, hollow, in part incomplete, deltahedral subunits: Sn(13)(-) consists of a face-sharing pentagonal bipyramid and tricapped trigonal bipyramid, Sn(14)(-) comprises a face-sharing dicapped trigonal prism and capped square-antiprism, and Sn(15)(-) consists of two face-sharing tricapped trigonal prisms. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3094320]
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