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Probing Structures of Small Gold Cluster Cations with Dinitrogen
Author(s) -
Patwari G. Naresh,
Ito Tomonori,
Egashira Kazuhiro,
Terasaki Akira
Publication year - 2011
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201000901
Subject(s) - cluster (spacecraft) , gold cluster , chemistry , adsorption , saturation (graph theory) , crystallography , molecule , ion , inorganic chemistry , computational chemistry , electronic structure , organic chemistry , mathematics , combinatorics , computer science , programming language
Small gold cluster cations, Au n + , adsorb N 2 molecules effectively under multiple collision conditions. The saturation number for N 2 adsorption on a gold cluster cation depends on the number of dangling gold atoms and the triangular apexes. The saturation numbers were interpreted to arrive at the geometrical structures of gold cluster cations. The gold cluster cations of sizes 3 and 6 have single isomers, whilst cluster cations with 4, 5, and 7 atoms have two isomers. For the gold cluster cation with six atoms, a higher‐energy and lower‐symmetry structure was observed. The gold cluster cations with eight or more atoms do not adsorb N 2 , which can be attributed to a two‐dimensional to three‐dimensional structural transition at n =8.