Zhong Xu LIU, Yong Kui SHAN, En Bo WANG, Zhong Sheng JIN, Ge Cheng WEI, Yong Sheng LIU
Chinese Chemical Letters. 1991, 2(02): 179-180.
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K4H2PMo9V3O40·18H2O, Mr=2169.68, tetragonal, space group P4/mnc, a=b=12.515 (3), c=17.636 (7) A;z=2;V=2762 (2) A3;F (000)=2206;Dc=2.81g/cm3;μ=28.8/cm (MoKα=0.71069 A). The central PO4 is disordered in the (PMo9V3O40) 6. P-O=1.511A. M (M=Mo or V) is 7 coordinate, M-O=1.62-2.48A. K is 7 coordinate, K-O=2.85-3.10A.