Methylaminated potassium fulleride, (CH3NH2)K 3C60: Towards hyperexpanded fulleride lattices

Ganin, Alexey Yu., Takabayashi, Yasuhiro, Bridges, Craig A., Khimyak, Yaroslav Z. ORCID:, Margadonna, Serena, Prassides, Kosmas and Rosseinsky, Matthew J. (2006) Methylaminated potassium fulleride, (CH3NH2)K 3C60: Towards hyperexpanded fulleride lattices. Journal of the American Chemical Society, 128 (46). pp. 14784-14785. ISSN 0002-7863

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Co-intercalation of methylamine molecules into the cubic K3C60 lattice affords the fulleride (CH3NH2)K3C60, which was characterized by Raman and MAS 13C and 1H NMR spectroscopy. The high-resolution synchrotron X-ray powder diffraction technique was employed to determine its crystal structure at ambient temperature. We find that CH3NH2 bonds to K+ ions residing in the pseudo-octahedral interstices, thereby providing an efficient and facile route to hyperexpanded close-packed strongly anisotropic fulleride lattices, while retaining the electronic contact between the C603- anions. Preliminary evidence for the occurrence of a transition to an antiferromagnetic state at low temperature is also presented, consistent with the proximity of the present system to the metal-insulator boundary of the electronic phase diagram of C603- fullerides.

Item Type: Article
Uncontrolled Keywords: catalysis,chemistry(all),biochemistry,colloid and surface chemistry ,/dk/atira/pure/subjectarea/asjc/1500/1503
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Depositing User: LivePure Connector
Date Deposited: 09 Jul 2021 07:28
Last Modified: 23 Oct 2022 02:37
DOI: 10.1021/ja066295j

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