多金属氧酸盐α-Na_6H〔GeW_9Fe_3(H_2O)_3O_(37)〕·16H_2O的合成和光谱

合成了多金属氧酸盐 α- Na6H〔 Ge W9Fe3 (H2 O) 3 O3 7〕· 16 H2 O,通过元素分析、红外、紫外、光电子能谱、极谱和穆斯堡尔谱等手段进行了表征 。

PREPARATION AND CHARACTERIZATION OF α-H_5[GeW_9Mo_2VO_(40)]·22H_2O

A new mixed heteropoly acid,α-H_σ[GeW_eMo_2VO_(40)].22H_2O,bas been prepared and characterized by means of ICP,potentiometric titration,IR and UV spectra, X-ray powder diffraction and thermal analysis.

STRUCTURE OF POTASSIUM ∝-TRIVANADOENNEATUNGSTOGERMANATE ∝-K_3H_4 GeW_9 V_3 O_(40)·8H_2O

The complex K_3H_4GeW_9V_3O_(40)·8H_2O crystallized in a monocliinie system with space group P2, Mr=2784.67, a=11.099(3), b=16.452(4), c=13.534(4) , β=108.14(2)°, Z=2,V=2348.49 ~3, F(000):2456, μ=239.7cm^(-1), De=3.932 g/cm^3. The final R=0.083 for 4528 non-zero reflexions. The structure of anions GeW_9V_3O_(40)~and GeW_9O_(34)~belongs to A-type.