A new alpha-Keggin type polyoxometalate coordinated to four silver complex moieties:{PW_9V_3O_(40)[Ag(2,2'-bipy)]_2[Ag_2(2,2'-bipy)_3]_2}

摘要

A new polyoxometalate derivative {PW_9V_3O_(40)[Ag(2,2'-bipy)]_2[Ag_2(2,2'-bipy)_3]_2} 1 has been hydrothermally synthesized and structurally characterized by the single crystal X-ray diffraction.X-Ray analysis showed that both [Ag(2,2'-bipy)]~+ and [Ag_2(2,2'-bipy)_3]~(2+) units are supported on the a-Keggin polyoxoanion [PW_9V_3O_(40)]~(6-) via the surface bridging oxygen atoms.1 represents the first alphaKeggin type polyoxoanion coordinated with four transition metal complex moieties,which further acts as a neutral molecular units for the construction of an interesting three-dimensional supramolecular framework.