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An Old Dog With New Tricks - Additions to the Cesium Lithium Chloride System: Cs

An Old Dog With New Tricks - Additions to the Cesium Lithium Chloride System: Cs

Teresa S Ortner, Jan P Scheifers, Justin Flores, Yuemei Zhang, Abishek K Iyer, Thorsten M Gesing, Boniface P T Fokwa

Eur J Inorg Chem. 2019 Aug 15;2019(30):3526-3535.

PMID: 31501644

Abstract:

The CsCl/LiCl system has been studied for over a century now. Numerous phases have been predicted - only three have hitherto been found. We present the synthesis and single-crystal structure of the cesium lithium pentachloride Cs3Li2Cl5, predicted earlier but with a different structure. The anhydrous new phase readily reacts to Cs3LiCl4 · 4H2O in air. The tetrahydrate can also be obtained through the simplest, most inexpensive and green synthesis possible: an immediate, room-temperature mechanosynthesis from only CsCl and LiCl (3 : 1) in air. Differential scanning calorimetry (DSC) and thermogravimetric analyses (TGA), as well as in situ temperature-dependent powder X-ray diffraction studies on this second ever reported ternary alkali chloride hydrate allowed for a revision of the CsCl/LiCl phase diagram. Density of states and total energy calculations further elucidate the new alkali chlorides and update the relative stability of previous structure predictions.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP85144112	Lithium chloride hydrate		85144-11-2	Price

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