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math, physics, and chemistry
>
purify radii
metallic radius
在金属晶格中,相邻金属原子核间距离的一半称为原子的
金属半径
。
可从金属的晶体结构和晶胞参数可求得。例如金属铜的晶胞为立方面心晶胞,已知晶胞参数a=361.5pm,则cu原子的半径r为:r=a/(2)=127.8pm。
金属半径
和配位数有关,配位数高,半径大。