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gkf高: 金币+5 2014-03-27 21:24:44
两者的区别仅仅是第二个的氧上失去一个电子,所以为Mn(IV)-O●+。
Mn(V)d2和Mn(IV)d3 在没有任何外场(用外部电荷代替,那就是0)的情况下的电子排布都应该是高自旋,也就是电子都是平行排布在不同d轨道,分别是Triplet和quartet。在加入oxo配位后,oxo属于中强场(相当于引入外部负电荷),所以会有中间自旋态,这里只有两个电子那就是低自旋singlet存在了。然后,O●+配位后(相当于引入正电荷?),Mn(IV)只能是高自旋态了。
a)5 1; 5 3
b) 4 3; 4 5
2楼2014-03-27 20:41:09
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