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On an Unexpected 2D-linked Rare Earth 1,2,4-Triazolate Network: Synthesis, Crystal Structure, Spectroscopic and Thermal Properties of by Klaus Müller-Buschbaum; Yassin Mokaddem; Christoph J. Höller is a Chemistry article available to read on EtoBox.

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## Abstract The network compound $\_{\infty}^{2}\rm [Ho(Tz)\_{3}(TzH)\_{2}]TzH$, (Tz^−^ = 1,2,4‐triazolate anion, C~2~H~2~N~3~^−^, TzH = 1,2,4‐1__H__‐triazole, C~2~H~3~N~3~), was obtained as pink single crystals by the reaction of the holmium metal with a melt of the amine 1,2,4‐1__H__‐triazole. No additional solvent was used. The compound is an unexpected example of a 2D‐linked network structure as other lanthanides give 3D‐frameworks and MOFs with 1,2,4‐1__H__‐triazole instead. This illustrates that the series of lanthanides yields very different results in attempts to create MOF structures. In $\_{\infty}^{2}\rm [Ho(Tz)\_{3}(TzH)\_{2}]TzH$ the triazolate ligands Tz^−^ function both as μ‐η^1^:η^2^ linkers as well as η^1^ end on ligands. The latter coordination mode is also found for additional triazole molecules. C.N. is nine for holmium(III). The layers $\_{\infty}^{2}\rm [Ho(Tz)\_{3}(TzH)\_{2}]$ exhibit a system of intra and inter layer hydrogen bonding and to triazole molecules from the melt reaction intercalated in‐between the layers. The product was investigated by X‐ray single crystal analysis, Mid IR, Far IR and Raman spectroscopy, and with DTA/TG regarding its thermal beh

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Author

Klaus Müller-Buschbaum; Yassin Mokaddem; Christoph J. Höller

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 0372-7874)

Published

2008

Language

EN

Field

Chemistry (Physical Sciences)