Diorganodiphosphates (DPP2-), triorganodiphosphates (TPP-), a diorganotriph
osphate (DPPP3-), and a triorganomethylenediphosphonate (TPCP-) were reacte
d with zinc perchlorate to form the complex compounds Zn(DPP), Zn(TPP)(2),
Zn-3(DPPP)(2), and Zn(TPCP)(2). Spectroscopic investigations and the solubi
lity properties allow to assign Zn(DPP) and Zn-3(DPPP)(2) as coordination p
olymers, while Zn(TPP)(2) and Zn(TPCP)(2) are molecular complexes. (C) 2000
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