Abstract
[Bi(OCH 2CH 2) 3N],(Bi(TEA)), may be prepared by reaction of in situ generated Bi(OH) 3 with triethanolamine in refluxing methanol. The complex crystallizes from solution as a double ladder polymer via the formation of additional metaloxygen dative bonds to yield hypercoordinate and hypervalent metal centers. The structure of Bi(TEA) is very similar to that of Bi(O 2CCH 3) 3N. The heterobimetallic nitriloacetate complex containing Bi and Tb was prepared by reaction of (NH 4) 3[Bi(Nta) 2] with terbium nitrate in aqueous solution. Heating samples of [Bi(OCH 2CH 2) 3N] n to 1000 °C results in the formation of Bi 2O 3. It was shown that thermolysis of the [(Bi x Tb 1− x (O 2C 2H 2) 3N)·H 2O] n occurs in two stages, viz. the deaquation and pyrolysis of the ligand.
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