Berkelium(III) fluoride
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| Berkelium(III) fluoride | |
|---|---|
| Other names | Berkelium trifluoride |
| Identifiers | |
| InChI | InChI=1/Bk.3FH/h;3*1H/q+3;;;/p-3 |
| InChIKey | LHPZAGRUAMLUHA-BQXGXEPKEE |
| Standard InChI | InChI=1S/Bk.3FH/h;3*1H/p-3/i1+2;;; |
| Standard InChIKey | LHPZAGRUAMLUHA-LVGFSJROSA-K |
| CAS number | [] |
| ChemSpider | |
| Properties[1] | |
| Chemical formula | BkF3 |
| Molar mass | 306.07 g mol−1 |
| Appearance | yellow-green solid |
| Density | 9.70 g cm−3 |
| Structure (α-phase)[1] | |
| Crystal structure | YF3, oP16 |
| Space group | Pnma (No. 62) |
| Lattice constant | a = 670 pm, b = 709 pm, c = 441 pm |
| Structure (β-phase)[1] | |
| Crystal structure | Tysonite (LaF3) |
| Space group | P6/mmm (No. 191) |
| Lattice constant | a = 697 pm, c = 714 pm |
| Related compounds | |
| Other anions | Berkelium(III) chloride Berkelium(III) bromide Berkelium(III) iodide |
| Other cations | Terbium(III) fluoride |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Berkelium(III) fluoride, BkF3, is the lower fluoride of berkelium. It is the first actinoid trifluoride that exhibits the YF3-type orthorhombic structure as the room-temperature α-phase and the LaF3-type trigonal structure as the high-temperature β-phase.[1][2]
Notes and references
Notes
References
- ↑ 1.0 1.1 1.2 1.3 Peterson, J. R.; Cunningham, B. B. Crystal structures and lattice parameters of the compounds of berkelium—IV. berkelium trifluoride. J. Inorg. Nucl. Chem. 1968, 30 (7), 1775–84. DOI: 10.1016/0022-1902(68)80353-7.
- ↑ Ensor, D. D.; Peterson, J. R.; Haire, R. G.; Young, J. P. Absorption spectrophotometric study of berkelium(III) and (IV) fluorides in the solid state. J. Inorg. Nucl. Chem. 1981, 43 (5), 1001–3. DOI: 10.1016/0022-1902(81)80164-9.
External links
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