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Angew Chem Int Ed Engl. 2012 Jul 27;51(31):7847-9. doi: 10.1002/anie.201203515. Epub 2012 Jul 4.

Occurrence of difluorine F2 in nature--in situ proof and quantification by NMR spectroscopy.

Author information

1
Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377 München, Germany.

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).

PMID:
22763992
DOI:
10.1002/anie.201203515

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