Crystal structure of potassium orthoselenate(IV), K2SeO3

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Crystal structure data for potassium orthoselenate(IV), K2SeO3, are reported for the first time. Colorless, block-shaped crystals were grown in a potassium hydroflux, i.e. under ultra-alkaline conditions, within 10 h. K2SeO3 crystallizes isostructural with Na2SO3 and K2TeO3 in the trigonal space group P with lattice parameters a = 6.1063 (4) Å and c = 6.9242 (4) Å at 100 (1) K. In the trigonal-pyramidal, C 3v-symmetric [SeO3]2- anion, the bond length is 1.687 (1) Å, and the bond angle is 103.0 (1)°. Two of the three unique potassium cations exhibit a coordination number of six, and the third a coordination number of nine.


Original languageEnglish
Pages (from-to)615-618
Number of pages4
JournalActa Crystallographica Section E: Crystallographic Communications
Issue number6
Publication statusPublished - 2022

External IDs

Scopus 85135169559
Mendeley d44b368c-07d4-35b9-b59d-bbf8e2546ac7
ORCID /0000-0001-7523-9313/work/142238681
ORCID /0000-0002-2391-6025/work/142250221


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