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2,3-Difluoro-benzoic acid.

Acta crystallographica. Section E, Structure reports online (2008-01-01)
Aleksandra A Knapik, Wladek Minor, Maksymilian Chruszcz
PMID21201492
ABSTRACT

2,3-Difluoro-benzoic acid, C(7)H(4)F(2)O(2), forms dimers that are stabilized by hydrogen bonds. The dimers are stacked and the stacks are held together by weak C-H⋯F and C-H⋯O inter-actions.

MATERIALS
Product Number
Brand
Product Description
263516
Sigma-Aldrich
2,3-Difluorobenzoic acid, 98%