Tetramethylammonium pentafluoroxenate
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| Names | |||
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| IUPAC name
Tetramethylammonium pentafluoridoxenonate(−)
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| Properties | |||
| N(CH3)4XeF5 | |||
| Molar mass | 300.4308 g/mol | ||
| Vapor pressure | {{{value}}} | ||
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tetramethylammonium pentafluoroxenate is the chemical compound with the formula N(CH3)4XeF5. The XeF−
5 ion it contains was the first example of a planar pentagonal AX5E2 species.[1] It was prepared by the reaction of N(CH3)4F with xenon tetrafluoride, N(CH3)4F being chosen because it can be prepared in anhydrous form and is readily soluble in organic solvents).[1] The anion is planar, with the fluorine atoms in a slightly distorted pentagonal coordination (Xe-F bond lengths ranging from 197.9 - 203.4 pm and Xe-F bond angles ranging from 71.5 - 72.3 °).[1] Other salts have been prepared with sodium, caesium and rubidium, and vibrational spectra shows that these contain the same planar ion.[1]
Ball-and-stick model of the pentafluoroxenate ion Structural formula of the pentafluoroxenate ion
References
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