(Cs6Cl)6Cs3[Ga53Se96]: A Unique Long Period-Stacking Structure of Layers Made from Ga2Se6 Dimers via Cis or Trans Intralayer Linking

The new compound (Cs6Cl)6Cs3[Ga53Se96] with its own structure type has been discovered by high-temperature solid-state reactions. The compound features a unique long period-stacking structure of layers that are built by the commonly observed dimeric Ga2Se6 unit extending in cis or trans intralayer l...

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Bibliographic Details
Published in:Inorganic chemistry 2016-02, Vol.55 (3), p.1014-1016
Main Authors: Lin, Hua, Chen, Hong, Lin, Zi-Xiong, Zhao, Hua-Jun, Liu, Peng-Fei, Yu, Ju-Song, Chen, Ling
Format: Article
Language:English
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Summary:The new compound (Cs6Cl)6Cs3[Ga53Se96] with its own structure type has been discovered by high-temperature solid-state reactions. The compound features a unique long period-stacking structure of layers that are built by the commonly observed dimeric Ga2Se6 unit extending in cis or trans intralayer linking. Single-crystal X-ray diffraction analyses show the trigonal space group R3̅m (No. 166) and a = 11.990(5) Å, c = 50.012(4) Å, and V = 6226.5(6) Å3. The UV–vis–near-IR spectrum reveals a wide band gap of 2.74 eV that agrees well with the electronic structure calculation.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.5b02846