Synthesis and single-crystal structural study of Cu2GeS3
Synthesis and single-crystal structural study of Cu2GeS3
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Cu2GeS3的合成及单晶结构研究
DOI：
10.1016/s0025-5408(97)00115-3
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发表时间：
1997
影响因子：
5.4
通讯作者：
V. Sagredo
中科院分区：
文献类型：
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作者：
L. D. Chalbaud;G. D. Delgado;J. M. Delgado;A. Mora;V. Sagredo
在真空密封的石英瓶中，通过组成元素的固相反应制备了I2IV族VI3半导体Cu2GeS3，并用单晶X射线衍射技术对其结构进行了表征。它属于单斜晶系CC[9]，a=6.449(2)，b=11.319(3)，c=6.428(2)，Å，β=108.37(2)∘，Z=4。该材料与Cu2SnS3同型。Cu2SnS3是最近报道的一种基于硫原子立方密堆积阵列的结构，可视为闪锌矿超结构。用SHELXL-93进行结构精修的最终不一致因子为：R(F)=0.0454，WR(F2)=0.1087，S=1.103。
Cu2GeS3, a I2IV VI3semiconductor, has been prepared by solid state reaction of the constituent elements in vacuum-sealed quartz ampoules and structurally characterized using single crystal X-ray diffraction techniques. It crystallizes in the monoclinic space group Cc [No. 9], with a = 6.449(2), b = 11.319(3), c = 6.428(2) A ̊ , β = 108.37(2)∘, and Z = 4. This material is isotypic with Cu2SnS3, a recently reported type of structure which is based on a cubic close-packed array of sulfur atoms and can be viewed as a sphalerite super-structure. The final disagreement factors of the structure refinement carried out with SHELXL-93 were R(F) = 0.0454, wR(F2) = 0.1087 and S = 1.103 for all 557 independent reflections merged from the 1086 reflections measured.
T. Takeichi.：“金属苯甲酰丙酮酸盐和乙酰丙酮与甲醛的反应”Bull。
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