The crystal structure has been determined by X ray single crystal diffraction, showing a distorted trigonal bipyramidal configuration with five coordination for the central tin atom.
通过元素分析、 红外光谱和氢核磁共振谱对其结构进行了表征。用X-射线单晶衍射测定了该化合物的晶体结构。
His coordination is already equal to a human five year old.
他的身体协调能力已经和一个5岁的人类小孩相当。
This would require international coordination whereby rich countries would issue work permits, obliging the migrants to spend one of, say, each five years working in their own country.
这需要国际间的合作，比如富裕国家发行劳动准入证，让这些移民每一个五年期间有一年在其本国工作。
应用推荐