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用分步酸化、分步加料法合成出新型杂多配合物Ｋ３Ｈ２［ＧｅＷ８Ｍｏ３ＶＯ４０］·４Ｈ２Ｏ，并用Ｘ射线单晶衍射法测定其晶体结构．该晶体属单斜晶系，Ｃ２空间群，ａ＝１．８９４４（４）ｎｍ，ｂ＝３．２９２０（７）ｎｍ，ｃ＝１．２４９４（２）ｎｍ，β＝９０．２５（３）°，Ｖ＝７．７９２（４）ｎｍ３，Ｚ＝６．最终偏差因子Ｒ＝０．０６３，ＲＷ＝０．０６７．
The new heteropoly complex K3H2 [GeW8Mo3VO40] · 4H2O was synthesized by stepwise acidification and stepwise addition method. The crystal structure of the new complex was determined by X-ray single crystal diffraction. The crystal belongs to the monoclinic system with space group C2 of a = 1.8944 (4) nm and b = 3.2920 (7) nm, c = 1.2494 °, V = 7.792 (4) nm3, Z = 6. The final deviation factor R = 0.063, RW = 0.067.