A Comprehensive Study on the Full Series of Alkali-Metal Selenocyanates AI[SeCN] (AI=Li−Cs)

Alena Shlyaykher, Marvin Ehmann, Antti J. Karttunen, Frank Tambornino*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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The full series of quasibinary alkali-metal selenocyanates was synthesized either by oxidation of the respective cyanides (A=Li−Rb) or by metathesis (A=Cs). For Li[SeCN] only ball-milling and subsequent annealing led to the isolation of the quasibinary selenocyanate. Their structures were refined from single-crystal and powder X-ray data. The respective solid-state IR and Raman spectra were interpreted with the aid of solid-state quantum-mechanical calculations and DSC-TGA measurements allowed for extraction of melting points. Only for Li[SeCN] a possible phase transition was observed that is discussed on the basis of VT-PXRD experiments. It is also the only quasibinary selenocyanate to form a hydrate (Li[SeCN] ⋅ 2H2O).

Original languageEnglish
Pages (from-to)13552-13557
Number of pages6
JournalChemistry - A European Journal
Issue number54
Early online date19 Aug 2021
Publication statusPublished - 24 Sep 2021
MoE publication typeA1 Journal article-refereed


  • alkali-metals
  • crystallography
  • selenocyanates
  • solid-phase synthesis
  • vibrational spectroscopy


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