Singlet spin order in spin pairs coupled via non-bonded interactions.

IF 3.8 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Frontiers in Chemistry Pub Date : 2025-01-30 eCollection Date: 2024-01-01 DOI:10.3389/fchem.2024.1511720

Giuseppe Pileio, Dolnapa Yamano, Craig D Eccles, Graham J Tizzard, Sam Thompson

引用次数: 0

Abstract

Fluorine spin pairs that are constrained in spatial proximity show large scalar spin-spin couplings, despite the atoms being separated by several bonds. This is due to a non-bonded atomic interaction related to partial overlapping of fluorine p-orbitals. In this paper we exploit this phenomenon to create long-lived singlet spin order on the fluorine spin pair. This form of order, which, in this example molecule, is more than an order of magnitude longer than longitudinal order, has the potential to be useful in magnetic resonance imaging and molecular tracing experiments, because of the lack of endogenous fluorine in the human body and the high sensitivity achievable in ¹⁹F NMR.

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来源期刊

Frontiers in Chemistry Chemistry-General Chemistry

CiteScore

8.50

自引率

3.60%

发文量

1540

审稿时长

12 weeks

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