Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 47, Pages 14838-14841Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201606682
Keywords
cesium; electronic structure; hydrides; platinum; relativistic effects
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Funding
- Office of the Basic Energy Sciences, Materials Sciences Division, U.S. DOE
- U.S. DOE [DE-AC02-07CH11358]
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With Cs9Pt4H a new representative of ionic compounds featuring metal anions can be added to this rare-membered family. Cs9Pt4H exhibits a complex crystal structure containing Cs+ cations, Pt2- and H- anions. Being a red, transparent compound its band gap is in the visible range of the electromagnetic spectrum and the ionic type of bonding is confirmed by quantum chemical calculations. This cesium platinide hydride can formally be considered as a double salt of the alloy cesium-platinum, or better cesium platinide, Cs2Pt, and the salt cesium hydride CsH according to Cs9Pt4H equivalent to 4Cs2Pt center dot CsH.
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