There is a strong effect of spin delocalization in the complex.

体系中存在较强的自旋离域效应。

youdao

Magnetic coupling exhibits the spin delocalization effect from Mn and Cu atoms to the bridging atoms, and doesn't reveal metallically magnetic properties.

磁性耦合来源于铜和锰原子向桥联原子的自旋退局域化效应，且具有磁性特征但不具有金属性特征。

youdao