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, 51 (31), 7847-9

Occurrence of Difluorine F2 in Nature--In Situ Proof and Quantification by NMR Spectroscopy

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Occurrence of Difluorine F2 in Nature--In Situ Proof and Quantification by NMR Spectroscopy

Jörn Schmedt auf der Günne et al. Angew Chem Int Ed Engl.

Abstract

The most reactive chemical element, F(2), has been claimed not to occur in nature. First direct evidence from in situ NMR spectroscopy now proves that elemental F(2) indeed occurs in nature as an occlusion in "antozonite" (right in the picture), a variant of fluorite (CaF(2), left).

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