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interhalogen是什么意思，interhalogen翻译
Interhalogen compounds are binary compounds that consist of two halogens bonded together. Halogens are a group of elements in the periodic table that include fluorine, chlorine, bromine, iodine, and astatine. These compounds are formed by the reaction of two halogens and have a wide range of applications in various industries.
The first interhalogen compound to be discovered was IF5, which was prepared by the reaction of iodine and fluorine in 1896. Since then, many other interhalogens have been discovered, including IF4, IF6, ClF, BrF, and ICl. The most commonly used interhalogens are IF5 and IF7, which are widely used in the pharmaceutical industry for the synthesis of heterocyclic compounds.
The physical properties of interhalogens vary depending on the elements involved in the compound. Generally, interhalogens have higher boiling points and melting points compared to their parent halogens. This is due to the presence of stronger London dispersion forces between the molecules. The boiling points and melting points increase with the increase in the number of halogens in the compound. For example, IF5 has a boiling point of 154°C, while IF7 has a boiling point of 233°C.
The chemical properties of interhalogens also differ from those of their parent halogens. Interhalogens are more reactive than halogens and can readily react with metals, hydrogen, and other halogens. They also exhibit unique reactivity patterns in substitution reactions, where the halogen atom is replaced by another halogen atom. For example, IF5 can react with potassium bromide to form KIF4 and KBr.
Interhalogens have a variety of applications in different industries. They are used as catalysts in the synthesis of heterocyclic compounds, which are important in the pharmaceutical industry. Interhalogens are also used as refrigerants in some types of air conditioning systems. Additionally, they are used in the production of electronic materials, such as semiconductor devices and flat