Sodium and rhodium complexes of a spirocyclic Te5 dianion supported by P2N2 rings.

ABSTRACT

Reactions of the dianion [Te((t)BuN)P(µ-N(t)Bu)2P(N(t)Bu)Te](2-) with I2 or [Cp*RhCl2]2 unexpectedly produced complexes of the novel spirocyclic Te5 dianion [{(t)BuN(Te)P(µ-N(t)Bu)2P(Te)N(t)Bu}2µ-Te](2-), which is N,N'-coordinated to two Na(+) ions in the disodium derivative and adopts a Te,Te',Te''-bonding mode in the Cp*Rh complex.