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. 2019 Aug 6;9(8):1132. doi: 10.3390/nano9081132

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(a) Structure, superatom-network model and AdNDP localized natural bonding orbitals of Au₂₂¹²⁺ core. (b) Structure, superatomic molecular model and AdNDP localized natural bonding orbitals of Au₂₂¹²⁺ superatomic molecule.