Gd_4Sn_(11)的晶体结构参数及粉末衍射数据

X ray Powder Diffraction Data and Structrural Parameters for Gd 4Sn 11

给出指标化的Ｇｄ４Ｓｎ１１相的Ｘ射线粉末衍射数据。Ｇｄ４Ｓｎ１１为正交晶系，ａ＝０．４３５４（２）ｎｍ，ｂ＝０．４４１１１（９）ｎｍ，ｃ＝２．２０４６（４）ｎｍ，ｚ＝１。其空间群为Ａｍｍ２（３８）。

Indexed powder diffraction patterns and related crystallographic data for Gd 4Sn 11 are reported.The Gd 4Sn 11 compound cystallizes in orthorhombic symmetry,which belongs to the space group Amm2(38),z=1,and the lattice constants are:a=0 4354(2)nm,b=0 44111(9)nm,c=2 2046(4)nm。