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Krypton difluoride, KrF 2 is a chemical compound of krypton and fluorine. It was the first compound of krypton discovered. [2] It is a volatile, colourless solid at room temperature. The structure of the KrF 2 molecule is linear, with Kr−F distances of 188.9 pm.
Calcium difluoride is a notable compound. In the form of the mineral fluorite it is the major source of commercial fluorine. It also has an eponymic crystal structure, which is an end member of the spectrum starting from bixbyite and progressing through pyrochlore .
Krypton difluoride – KrF 2; L. La. Lanthanum aluminium – LaAl; ... Oxygen difluoride – OF 2; Dioxygen difluoride – O 2 F 2; Francium oxide – Fr 2 O ...
Rudolf Hoppe, among other groups, synthesized xenon difluoride (XeF 2) by the reaction of the elements. [10] Following the first successful synthesis of xenon compounds, synthesis of krypton difluoride (KrF 2) was reported in 1963. [11]
Its lighter neighbor, krypton also forms well-characterized compounds, e.g., krypton difluoride. Krypton tetrafluoride was reported in 1963, [104] but was subsequently shown to be a mistaken identification; the compound seems to be very hard to synthesize now (although even the hexafluoride may exist). [105]
Krypton, like the other noble gases, is used in lighting and photography. Krypton light has many spectral lines, and krypton plasma is useful in bright, high-powered gas lasers (krypton ion and excimer lasers), each of which resonates and amplifies a single spectral line. Krypton fluoride also makes a useful laser medium.
Chemical formula Synonyms CAS number SCl 2: sulfur dichloride: 10545–99–0 SCl 4: sulfur tetrachloride: 13451–08–6 SF 2: sulfur difluoride: 13814–25–0 SF 4: sulfur tetrafluoride: 7783–60–0 SF 6: sulfur hexafluoride: 2551–62–4 SO: sulfur monoxide: 13827–32–2 SO 2: sulfur dioxide: 7446–09–5 SO 3: sulfur trioxide: 7446 ...
Xenon difluoride is a powerful fluorinating agent with the chemical formula XeF 2, and one of the most stable xenon compounds. Like most covalent inorganic fluorides it is moisture-sensitive. It decomposes on contact with water vapor, but is otherwise stable in storage. Xenon difluoride is a dense, colourless crystalline solid.