Holmium(III) selenate

holmium selenate  51pxFile:3.svg

Identifiers

CAS Number

* anhydrate: 20148-59-8 Y
* octahydrate: 26299-25-2 Y

3D model (JSmol)

* anhydrate: Interactive image
* octahydrate: Interactive image

InChI

* anhydrate: InChI=1S/2Ho.3H2O4Se/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6

Key: RHIYEWNPRAWTOB-UHFFFAOYSA-H

* octahydrate: InChI=1S/2Ho.3H2O4Se.8H2O/c;;3*1-5(2,3)4;;;;;;;;/h;;3*(H2,1,2,3,4);8*1H2/q2*+3;;;;;;;;;;;/p-6

Key: IFUPSIIMNGJVRI-UHFFFAOYSA-H

SMILES

* anhydrate: [O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Ho+3].[Ho+3]

* octahydrate: O.O.O.O.O.O.O.O.[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Ho+3].[Ho+3]

Properties

Chemical formula

| Ho2O12Se3
Molar mass | 758.762 g·mol−1
Appearance  | solid

Solubility in water

| soluble

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Holmium(III) selenate is an inorganic compound with the chemical formula Ho2(SeO4)3. It exists in the anhydrous form and as an octahydrate. It can be obtained by dissolving holmium(III) oxide in selenic acid solution and evaporating and crystallizing it.[1] It co-crystallizes with other selenates in solution to obtain complex salts such as K3Ho(SeO4)3·nH2O,[2] NH4Ho(SeO4)2·3H2O[3] and CH3NH3Ho(SeO4)2·5H2O.[4]

## References

1. ↑ Wickleder, Mathias S. (2005), Oxo-Selenates of rare earth elements, Handbook on the Physics and Chemistry of Rare Earths, 35, Elsevier, pp. 45–105, doi:10.1016/s0168-1273(05)35002-1, ISBN 9780444520289, http://dx.doi.org/10.1016/s0168-1273(05)35002-1, retrieved 2023-12-05
2. ↑ M.A. Nabar, Veena R. Naik (Jul 1998). "Studies on selenates XIII: Synthesis and crystal chemical characterisation of K3Ln(SeO4)3.nH2O" (in en). Journal of Alloys and Compounds 275-277: 54–57. doi:10.1016/S0925-8388(98)00273-4. https://linkinghub.elsevier.com/retrieve/pii/S0925838898002734. Retrieved 2020-05-29.
3. ↑ "Zhurnal Neorganicheskoi Khimii (Inorganic Chemistry) is 50". Russian Journal of Inorganic Chemistry 51 (5): 844–845. May 2006. doi:10.1134/s0036023606050287. ISSN 0036-0236. http://dx.doi.org/10.1134/s0036023606050287.
4. ↑ Revathy Rajagopal, Vishnu R. Ajgaonkar (2002-10-01). "Synthesis, Characterization, and Thermal Decomposition of Double Rare Earth Monomethylammonium Selenates". Monatshefte für Chemie / Chemical Monthly 133 (11): 1387–1395. doi:10.1007/s007060200112. ISSN 0026-9247. http://link.springer.com/10.1007/s007060200112. Retrieved 2020-05-29.

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Holmium compounds

* HoBr3
* HoCl3
* Ho2O3
* Ho2Ti2O7

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