Ammonium hexafluorochromate is an inorganic chemical compound with the chemical formula (NH4)3CrF6.[1]
| Names | |
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| Other names
Ammonium hexafluorochromate(III)
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| CrF6H12N3 | |
| Molar mass | 220.104 g·mol−1 |
| Appearance | green crystals |
| Density | g/cm3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Physical properties
editAmmonium hexafluorochromate forms crystals of cubic system, space group F43m.[2][3]
Chemical properties
editWhen heated, ammonium hexafluorochromate decomposed directly to the pure chromium(III) fluoride.[4][5]
- [NH4]3[CrF6] → CrF3 + 3 NH3 + 3 HF
References
edit- ^ "Ammonium hexafluorochromate(iii)". NIST. Retrieved 23 August 2024.
- ^ Donnay, Joseph Désiré Hubert (1963). Crystal Data; Determinative Tables. American Crystallographic Association. p. 948. Retrieved 23 August 2024.
- ^ Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. 239. Retrieved 23 August 2024.
- ^ Bukovec, P.; Šiftar, J. (1 May 1974). "Zur Kenntnis der thermischen Zersetzung von Ammoniumhexafluoroscandat,-titanat,-vanadat und-chromat". Monatshefte für Chemie / Chemical Monthly (in German). 105 (3): 510–516. doi:10.1007/BF00912602. ISSN 1434-4475. Retrieved 23 August 2024.
- ^ Menz, D. -H.; Bentrup, U. (1 September 1991). "Thermal decomposition of ammonium fluorochromates". Journal of Fluorine Chemistry. 54 (1): 174. doi:10.1016/S0022-1139(00)83684-2. ISSN 0022-1139. Retrieved 23 August 2024.