Zur Struktur von KFe2As2, KCo2As2, KRh2As / Crystal Structure of KFe2As2, KCo2As2, KRh2As 2 and KRh2P2
Open Access
- 1 December 1981
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 36 (12) , 1668-1670
- https://doi.org/10.1515/znb-1981-1234
Abstract
Four new ternary compounds KB2X2 (B = Fe, Co, Rh; X = P, As) were prepared. They are isotypic and crystallize in a ThCr 2Si2-type structure (I4/mmm) with the following lattice constants: KFe2As2: a = 384.2 pm c = 1386.1 pm KCO2AS2: a = 379.4 pm c = 1357.0 pm KRh2As2 : a = 398.7 pm c = 1326.7 pm KRh2P2 : a = 388.4 pm c = 1298.6 pmKeywords
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