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利用水热合成方法制备了组成为[NH2(CH2)2NH2]6H8[Na2Mo12O30(H2PO4)6(HPO4)2].4H2O的有机-无机复合物,并用元素分析、IR光谱、X-射线单晶衍射对其进行了表征.该化合物属于三斜晶系,Pī空间群,a=1.204 05(7)nm,b=1.461 47(8)nm,c=2.132 56(12)nm,α=80.650 0(10)°,β=82.808 0(10)°,γ=76.236 0(10)°,V=3.581 8(3)nm3,Z=2,R1=0.046 5.化合物阴离子[Na2Mo12O30(H2PO4)6(HPO4)2]8-由两个结构单元[NaMo6O15(H2PO4)3(HPO4)]4-通过O-Na(3)-O桥连而成.结构单元[NaMo6O15(H2PO4)3(HPO4)]4-中6个MoO6八面体位于同一平面并通过共边连接形成一个Mo6环,NaO6八面体和4个PO4四面体分别位于环的两侧.
The organic-inorganic composite with [NH2 (CH2) 2NH2] 6H8 [Na2Mo12O30 (H2PO4) 6 (HPO4) 2] .4H2O was prepared by hydrothermal synthesis method and characterized by elemental analysis, IR spectrum and X-ray single crystal diffraction The compound belongs to the triclinic system, the space group of Pī is 1.204 05 (7) nm, b = 1.461 47 (8) nm, c = 2.132 56 (12) nm and α = 80.650 0 ( V = 3.581 8 (3) nm3, Z = 2, R1 = 0.046 5. Compound Anions [Na2Mo12O30 (H 2 PO 4) 6 (HPO 4) (10) °, β = 82.808 0 (10) °, ) 2] 8- is bridged by O-Na (3) -O from two structural units [NaMo6O15 (H2PO4) 3 (HPO4)] 4- The six MoO6 octahedra lie in the same plane and form a Mo6 ring by co-junction, with the NaO6 octahedron and the four PO4 tetrahedra on each side of the ring.