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合成了第四周期过渡金属取代的Keggin结构钼磷、钨磷杂多化合物．讨论了合成条件，运用P－0键的IR振动变化表征了过渡金属离子电子组态的变化对缺位配体的修复作用．
Synthesis of the fourth cycle of the transition metal substituted Keggin structure of molybdenum phosphorus, tungstophosphoric compounds. The synthesis conditions were discussed. The changes of the electronic configuration of the transition metal ions on the absence of ligands were characterized by the changes of IR vibration of P-0 bond.