(Cs<sub>6</sub>Cl)<sub>6</sub>Cs<sub>3</sub>[Ga<sub>53</sub>Se<sub>96</sub>]: A Unique Long Period-Stacking Structure of Layers Made from Ga<sub>2</sub>Se<sub>6</sub> Dimers via Cis or Trans Intralayer Linking
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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.
创建时间：
2016-02-10
