A Comprehensive Study on the Full Series of Alkali-Metal Selenocyanates AI[SeCN] (AI=Li−Cs)
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2021-09-24
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en
Pages
6
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Chemistry: A European Journal, Volume 27, issue 54, pp. 13552-13557
Abstract
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).Description
Funding Information: F.T. thanks the Fonds der Chemischen Industrie for a Liebig fellowship. F.T. thanks Prof. Dehnen for excellent support, Prof. Müller and Prof. Kraus for discussions on the crystal structures. Dr. Radostan Riedel is gratefully acknowledged for measuring the single crystal dataset of Na[SeCN]. Jonathan Pfeiffer is gratefully acknowledged for measuring the Raman data. Open access funding enabled and organized by Projekt DEAL. Publisher Copyright: © 2021 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH
Keywords
alkali-metals, crystallography, selenocyanates, solid-phase synthesis, vibrational spectroscopy
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Citation
Shlyaykher, A, Ehmann, M, Karttunen, A J & Tambornino, F 2021, ' A Comprehensive Study on the Full Series of Alkali-Metal Selenocyanates A I [SeCN] (A I =Li−Cs) ', Chemistry: A European Journal, vol. 27, no. 54, pp. 13552-13557 . https://doi.org/10.1002/chem.202102058