Difference between revisions of "Berkelium(III) fluoride"
Physchim62 (talk | contribs) (Created page with "{{chembox | Name = Berkelium(III) fluoride | OtherNames = Berkelium trifluoride | Section1 = {{Chembox Identifiers | InChI=1/Bk.3FH/h;3*1H/q+3;;;/p-3 | InChIKey = LHPZAGRUAM...") |
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| Section2 = {{Chembox Properties | | Section2 = {{Chembox Properties | ||
| − | | Reference = <ref name="Peterson">{{citation | last1 = Peterson | first1 = J. R. | last2 = Cunningham | first2 = B. B. | year = 1968 | journal = J. Inorg. Nucl. Chem. | volume = 30 | pages = 1775–84}}.</ref> | + | | Reference = <ref name="Peterson">{{citation | last1 = Peterson | first1 = J. R. | last2 = Cunningham | first2 = B. B. | year = 1968 | title = Crystal structures and lattice parameters of the compounds of berkelium—IV. berkelium trifluoride | journal = J. Inorg. Nucl. Chem. | volume = 30 | issue = 7 | pages = 1775–84 | doi = 10.1016/0022-1902(68)80353-7}}.</ref> |
| Formula = BkF<sub>3</sub> | | Formula = BkF<sub>3</sub> | ||
| MolarMass = 306.07 g mol<sup>−1</sup> | | MolarMass = 306.07 g mol<sup>−1</sup> | ||
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| Section3 = {{Chembox Structure | | Section3 = {{Chembox Structure | ||
| − | | Reference =  (α-phase)<ref name="Peterson"/ | + | | Reference =  (α-phase)<ref name="Peterson"/> |
| CrystalStruct = [[Yttrium trifluoride structure|YF<sub>3</sub>]], [[Pearson symbol|oP16]] | | CrystalStruct = [[Yttrium trifluoride structure|YF<sub>3</sub>]], [[Pearson symbol|oP16]] | ||
| SpaceGroup = P''nma'' (No. 62) | | SpaceGroup = P''nma'' (No. 62) | ||
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| − | '''Berkelium(III) fluoride''', BkF<sub>3</sub>, is the lower [[fluoride]] of [[berkelium]]. It is the first [[actinoid]] trifluoride that exhibits the YF<sub>3</sub>-type orthorhombic structure as the room-temperature α-phase and the LaF<sub>3</sub>-type trigonal structure as the high-temperature β-phase.<ref name="Peterson"/> | + | '''Berkelium(III) fluoride''', BkF<sub>3</sub>, is the lower [[fluoride]] of [[berkelium]]. It is the first [[actinoid]] trifluoride that exhibits the YF<sub>3</sub>-type orthorhombic structure as the room-temperature α-phase and the LaF<sub>3</sub>-type trigonal structure as the high-temperature β-phase.<ref name="Peterson"/><ref>{{citation | last1 = Ensor | first1 = D. D. | last2 = Peterson | first2 = J. R. | last3 = Haire | first3 = R. G. | last4 = Young | first4 = J. P. | year = 1981 | title = Absorption spectrophotometric study of berkelium(III) and (IV) fluorides in the solid state | journal = J. Inorg. Nucl. Chem. | volume = 43 | issue = 5 | pages = 1001–3 | doi = 10.1016/0022-1902(81)80164-9}}.</ref> |
==Notes and references== | ==Notes and references== | ||
Revision as of 10:59, 30 September 2010
| 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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