金属硫族化合物CsSb_2(Se_2)_(0.5)Se_3的溶剂热合成及其晶体结构分析

Solvothermal Synthesis and Crystal Structure of Metal Chalcogenide CsSb_2(Se_2)_(0.5)Se_3

以有机溶剂热生长技术(SolvothermalTechnique)在180℃乙二胺(en)溶液中以SbCl3与碱金属硒化物Cs2Se和Se在密闭容器中反应7d,制备出新的金属硫族化合物CsSb2(Se2)0.5Se3。以单晶X射线衍射技术测得晶体结构属三斜晶系,空间群为P1,晶胞参数:a=0.6530(2)nm,b=0.7071(3)nm,c=0.9799(4)nm,α=80.37(3)°,β=86.28(3)°,γ=74.61(3)°,V=0.4300(3)nm3,Z=2。

CsSb2（Se2）0.5Se3 has been synthesized by solvothermal technique using SbCl3, Cs2Se, Se as starting materials and ethylenediamine （en） as solvent at 180℃ in a sealed Pyrex ampoules for 7 days. The crystal structure was determined by single crystal X-ray diffraction technique. The crystal of CsSb2（Se2）0.5Se3 belongs to the triclinic, space group P1^- with unit cell parameters： a=0.653 0（2） nm, b=0.707 1（3） nm, c=0.979 9（4） nm, α=80.37（3）°,β=86.28（3）°, γ=74.61（3）°, and V=0.4300（3） nm^3, Z=2. CSD： 415580.