A Novel Dimer——Heteropolytungstate with a Vanadium Atom as the Centre ——Synthesis and Structural Characterization of （H3O）4[VW12O40Na（H2O）4]2

LIU Zong-rui, XU Lin, WANG En-bo, PENG Jun, HU Chang-wen, XING Yan, LIN Yong-hua, JIA Heng-qing

Chemical Research in Chinese Universities . 2000, (3): 198 -202 .