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以1,4-丁二胺为溶剂合成两种硫属化合物(1,4-DABH2)2Sn2S6·(1,4-DAB)(1)和(1,4-DABH2) Sb4S7(2)(1,4-DAB =1,4-丁二胺),单晶X-射线衍射分析表明化合物1为单斜晶系,空间群为P21/c,a=1.0862(5) nm,b=1.3053(6) nm,c=1.0283(5) nm,β=101.20(2)°,V=1.4302(12) nm3,Z=2;化合物2为三斜晶系,空间群为P-1,a=0.6009(4) nm,b =0.8989(7) nm,c=1.6548(12) nm,α =89.774(12)°,β=86.481 (12)°,γ=84.495(12)°,V=0.8880(11)nm3,Z=2.化合物1由离散的[Sn2S6]2+、质子化的有机胺和未质子化有机胺组成.化合物2是由质子化的有机胺和双链的[Sb4S7]2-离子组成的二维层状化合物.紫外-可见漫反射光谱研究结果表明,化合物1和2的禁带宽度分别为1.80 eV和1.54 eV,均为半导体.

参考文献

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