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HF is diatomic in the gas phase. As a liquid, HF forms relatively strong hydrogen bonds, hence its relatively high boiling point. Solid HF consists of zigzag chains of HF molecules.

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Solutions of HF are colorless, acidic and highly corrosive. A common concentration is 49% (48–52%) but there are also stronger solutions (e.g. 70%) and pure HF has a boiling point near room temperature.

1 day ago · Heart failure (HF) remains a pressing health concern, with rising prevalence globally. Subjectivity and ambiguity in the definition of HF and its antecedent stages have limited research, …

Jun 10, 2026 · Background Hydrogen fluoride is a chemical compound (made up of two or more elements) that has the element fluorine. It can be a colorless gas or a fuming liquid, which means it …

6 days ago · Hydrogen fluoride (HF) is a highly corrosive wet and dry etchant which can rapidly dissolve glass, quartz, and silicon dioxide. It is commonly used in semiconductor manufacturing and …

Hydrofluoric acid, a solution of hydrogen fluoride gas (HF) in water, is one of the most corrosive and dangerous chemicals encountered in the laboratory. Exposure to HF can cause severe tissue …

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Lie, 1974 Lie, G.C., Study of the theoretical dipole moment function and infrared transition matrix for the X1Σ+ state of the HF molecule, J. Chem. Phys., 1974, 60, 2991. [all data]