© The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.A new coordination polymer based on Keggin-type [SiW12O40]4- and Pb2+ ions, {Pb2(μ2-DMF)2(DMF)8(SiW12O40)} (1a), was prepared by a ...

© 2017, Pleiades Publishing, Ltd. Novel double complex salts, [Zn(DMF) 6 ] 2 [SiW 12 O 40 ] · 2H 2 O (I) and [Zn(H 2 O) 2 (DMF) 4 ][Zn(DMF) 6 ] 2 [PW 12 O 40 ] 2 · 6DMF (II) (DMF = N,N-dimethylformamide), were prepared ...