Quaternary Tellurides with Different Valent Ge Centers: Cs2Ge3M6Te14 (M = Ga, In)
收藏Figshare2016-02-20 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Quaternary_Tellurides_with_Different_Valent_Ge_Centers_Cs_sub_2_sub_Ge_sub_3_sub_M_sub_6_sub_Te_sub_14_sub_M_Ga_In_/2509447
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New quaternary tellurides, Cs2Ge3M6Te14 (M = Ga, In), were discovered by solid-state reactions. These compounds crystallize in space group P3m̅l (No. 164), with a = b = 8.2475(2) Å, c = 14.2734(8) Å, and V = 840.82(6) Å3 (Z = 1) for Cs2Ge3Ga6Te14 (1) and a = b = 8.5404(2) Å, c = 14.6766(8) Å, and V = 927.07(6) Å3 (Z = 1) for Cs2Ge3In6Te14 (2). The remarkable structural feature is the novel three-dimensional [Ge3M6Te14]2– anionic framework made by condensed In6Te14 (or Ga6Te14) layers that are connected alternately by dimeric Ge3+2Te6 units and Ge2+Te6 octahedra along the c direction. The presence of Ge centers with different oxidation states is also supported by the results of the electron localization function calculation and X-ray photoelectron spectroscopy measurement.
创建时间：
2016-02-20
